what does "normally unlockable bootloader" mean? - Samsung Galaxy A71 5G ROMs, Kernels, Recoveries, &

Im not an expert on android. I am just curious in understanding the technical aspects behind this barrier? What makes the A71 more challenging than other phone models? Does Samsung actively make it more difficult? If so how?

Basically means that Sam has "sung" a song that says that you can't Unlock the Bootloader by unconventional means. In other words they locked the bootloader and access to allow OEM unlocking option to be selected from manufacturing of the phone. The unlocking process for this phone has changed and only allowed by those with the know-how without an 'exploit' as other phones would have. Pretty beefed up security I guess, but most ways to get the bootloader unlocked would have to be through a paid service. Which you can find on here on the forum. There's two providers of this service for now, AFAIK.

Related

Xperia Pro 12W22 - is there *any* way to unlock the SIM?

Just bought an Xperia Pro (mk16a) that's locked to Fido. Purchased an unlock code from CellUnlocker, which didn't work. (And of course Testpoint doesn't work, either.)
I need to resell the phone since I can't unlock the bootloader... seriously, is there any way to remove the phone network lock using the NCK method?
Rip-$#%^ pissed at Sony for pretending they care about the developer community by offering their "official" unlocking method, and then turning around and locking down all new phones. Such BS.
Its not Sony's fault that your carrier wont let you unlock your phone.
Isn't Sony responsible for putting in new security to unlock the booloader? (Not sim/network lock, bootloader lock. )
roxy1712 said:
Rip-$#%^ pissed at Sony for pretending they care about the developer community by offering their "official" unlocking method, and then turning around and locking down all new phones. Such BS.
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+1. They are also locking down Phones that are being sent in for repair which is just ridiculous and like you say they give the impression on one hand that they're helping while taking away any currently existing methods with the other. I'd be tempted to sue them if they sent my Phone back and I wasn't able to unlock it with the Test Point method as I had done before.
You are wrong. You can't unlock your bootloader because its locked by your carrier not Sony. "However, even if the device model is supported, certain releases of the device model may not be supported due to operator restrictions." its really hard to miss this sentence in Sony's "unlock bootloader" guide. For more info on the subject read this http://talk.sonymobile.com/thread/40526
pypcier said:
You are wrong. You can't unlock your bootloader because its locked by your carrier not Sony. "However, even if the device model is supported, certain releases of the device model may not be supported due to operator restrictions." its really hard to miss this sentence in Sony's "unlock bootloader" guide. For more info on the subject read this http://talk.sonymobile.com/thread/40526
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Dangit. It's not exactly well-published, though (e.g., no blog entries, news, etc... it's all buried in forums & the guide) -- I spent several hours researching and it seems not many have talked about carrier locking bootloaders, though. (I'm still not letting Sony off the hook. They made it possible for carriers to lock bootloaders with no good explanation.)
That being said, does this mean Fido is the only one who can unlock the bootloader?
I agree and I think that its unbelievable that there is no official information or even an article about this.
I'm still not letting Sony off the hook. They made it possible for carriers to lock bootloaders with no good explanation.
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The sad part is that its not only a Sony but all Android phones manufacturers.
That being said, does this mean Fido is the only one who can unlock the bootloader?
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I don't really know because my phone came with unlockable bootloader and I've googled all that info a few hours ago but i think you should start by calling Fido for their statement on this case. If they refuse to cooperate then email Sony for help or/and look for some "legal stuff" that will support your case.

Unlock questions

So I've never really paid attention to unlocking my phone before because I saw no benefit to doing so. I read chain fire's blog about if you want root you need an unlocked phone.
Can someone explanation what's the difference between the Note 4 unlocked I see for sale on amazon vs if I call AT&T and they give me am unlock code, what the difference is and why.
I've used Google and so many articles fight each others evidence so I'm coming straight to the source.
Thanks guys.
DamageSource said:
So I've never really paid attention to unlocking my phone before because I saw no benefit to doing so. I read chain fire's blog about if you want root you need an unlocked phone.
Can someone explanation what's the difference between the Note 4 unlocked I see for sale on amazon vs if I call AT&T and they give me am unlock code, what the difference is and why.
I've used Google and so many articles fight each others evidence so I'm coming straight to the source.
Thanks guys.
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Ya, I can see how it is confusing. There are 2 completely different "unlocks" when talking about phones. There is:
1. Unlocked bootloader - This allows you to change literately anything software wise on the phone. Having a locked bootloader means that the software is locked to the phone through a string of digital signatures. The signed bootloader checks the signed kernel in turn. So the phone won't boot if you have a modified kernel that is not signed by the carrier.
2. Sim unlocked - This prevents you from taking your phone to a different carrier. When you see people selling phones like on Amazon that are "unlocked", they are talking about sim unlocked.
Chainfire was referring to an unlocked bootloader. ATT and Verizon have a policy of locking the bootloaders on all their phones. T-mobile and Sprint sell phones with unlocked bootloaders.

Unlocked CDMA Variant?

I have looked around and can't seem to find a model that is cdma compatible with sprint that has the ability to unlock the bootloader. Seems the A505U carrier variant can't unlock the bootloader. I've tried doing the 7 day trick but it doesn't seem to work for the A505U sadly(looking for additional confirmation on this).
Also on the look out for this, but it's not looking very promising. ?
I wish there were an unlocked varient for the US i just purchased one and didnt realize till when i looked at the model number that its for Europe
So the Sprint model can not be unlocked and rooted? I haven't owned a Samsung device for several years but the A50 peaked my interest. Looks like the same scenario, GSM models can be unlocked and CDMA can not.
Xplorer4x4 said:
I have looked around and can't seem to find a model that is cdma compatible with sprint that has the ability to unlock the bootloader. Seems the A505U carrier variant can't unlock the bootloader. I've tried doing the 7 day trick but it doesn't seem to work for the A505U sadly(looking for additional confirmation on this).
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Sprints S10 5G (G977P) is bl unlockable..
elliwigy said:
Sprints S10 5G (G977P) is bl unlockable..
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I've seen atleast one other report that the 505U on Sprint and Verizon has locked BL. I've been told in telegram this si the case to. I have tested the 7 day trick extensively and it doesn't work on A505U. Did you have to do something special to get the oem unlock in dev options?
New To The Game..
Hello Gents...
Just picked up an Xfinity Version of the A50.
I have no plans to unlock and root.. as I want the security of Knox for Samsung / Google Pay.
But.. has anyone looked into what Xfinity is doing with their software?
Sprint Samsung A50 BL Unlock NO GO!
Ok so I am now an employee of Sprint. The information I have gathered is as follows. When Sprint requested this device from Samsung in their lengthy list of requirements one of them was that the ability to unlock the bootloader be removed. The reasoning behind this was that they did not want the end users to wind up " Accidentally " bricking their devices. As per insurance guidelines any attempt to modify the devices hardware and or software voids your warranty and your insurance that you carry on the device. So basically what they are saying is hey Android / Samsung community because of several hundred unintelligent people ruining their own devices we are removing the option in general. I am currently pushing to see if we can work with Samsung to push a firmware update that will allow this feature to be accessible as the whole point of having an android device it the open platform and being able to do these things. I really wish more cell phone manufacturers were like HTC which allows you to unlock the boot loader on any of their devices and even provide you a tool to turn S-Off on their website. But we cannot all be great.... Anyway hope that clears it up for ya'll and I am fighting the good fight on your behalf. P.S. I have the Samsung A50 and I was really not happy when I found out I could not root it.
@RoyalAssassin - QQ - will unlocked Sprint A50 work or can it be activated on VZ?
Huskers2012 said:
@RoyalAssassin - QQ - will unlocked Sprint A50 work or can it be activated on VZ?
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If you're sprint a50 is unlocked it should work fine on vzw. You can call vzw and give them you're imei to check compatibly.
Sent from my SM-G965U using Tapatalk
RoyalAssassin said:
Sprint Samsung A50 BL Unlock NO GO!
Ok so I am now an employee of Sprint. The information I have gathered is as follows. When Sprint requested this device from Samsung in their lengthy list of requirements one of them was that the ability to unlock the bootloader be removed. The reasoning behind this was that they did not want the end users to wind up " Accidentally " bricking their devices. As per insurance guidelines any attempt to modify the devices hardware and or software voids your warranty and your insurance that you carry on the device. So basically what they are saying is hey Android / Samsung community because of several hundred unintelligent people ruining their own devices we are removing the option in general. I am currently pushing to see if we can work with Samsung to push a firmware update that will allow this feature to be accessible as the whole point of having an android device it the open platform and being able to do these things. I really wish more cell phone manufacturers were like HTC which allows you to unlock the boot loader on any of their devices and even provide you a tool to turn S-Off on their website. But we cannot all be great.... Anyway hope that clears it up for ya'll and I am fighting the good fight on your behalf. P.S. I have the Samsung A50 and I was really not happy when I found out I could not root it.
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Here in 2021 looks like things didn't go well :'(
My old A505U is just off contract and the "OEM Unlock" switch is missing from the developer options menu. Additionally, none of the normal methods for getting it to appear have worked for me. (I have tried reflashing the stock firmware, the whole messing with the date&time and updating, factory reset + login + wait 2 to 14 days)
I have spent hours on the phone with both Samsung and my previous carrier, but with no results; none of their support people have the knowledge/are allowed to help with unlocking the bootloader.
I am getting very discouraged that this old phone of mine will ever run anything open :'(

Question Verizon Pixel 6 Pro Bootloader Unlock?

Its been a very long time since i have done any of this stuff. I bought the verizon version and cannot get bootloader unlocked. I have searched and see there has been the same problem in the past models. Is there a bypass or workaround? I can only find one for early Pixel products.
Kpwise509 said:
Its been a very long time since i have done any of this stuff. I bought the verizon version and cannot get bootloader unlocked. I have searched and see there has been the same problem in the past models. Is there a bypass or workaround? I can only find one for early Pixel products.
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nvmnd. found my answer
Kpwise509 said:
nvmnd. found my answer
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I am in the same boat.. curious to what answer you found?
m1ng15 said:
I am in the same boat.. curious to what answer you found?
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I found another thread on here after I searched, and searched. From what I understand now. If it's a Verizon pixel the bootloader is locked permanently.
If you purchased your device from Verizon, or a Verizon variant from a 3rd party retailer (Best buy, Costco, etc.) the bootloader is locked tight!
If you want the option to root; return your VZW device and order one directly from Google.
It's not necessarily true, according to Verizon, they Sim unlock their phones after 60 days. Once that is done, we should be able to to check oem unlocking option in developers options and unlock the bootloader. Am I missing something?
mustangtim49 said:
It's not necessarily true, according to Verizon, they Sim unlock their phones after 60 days. Once that is done, we should be able to to check oem unlocking option in developers options and unlock the bootloader. Am I missing something?
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Incorrect. SIM unlocking is not necessarily related to bootloader unlocking. While T-Mobile (and I think AT&T) users on here have found and reported that when they achieve SIM unlocking on their variants, that they can then bootloader unlock as well, Verizon has for a very, very long time enforced bootloader lock with all their will.
The only exceptions that I've ever heard of were not by choice of Verizon, but by hacks/vulnerabilities. Such as the VS985 LG G3, there was an exploit that didn't actually bootloader unlock, but more made it so that the locked bootloader didn't really matter. On the Pixel 1, if you had the Verizon variant and were still on Android 7.10 or below, you could unlock the bootloader, but once the 7.11 OTA came out, if you hadn't already unlocked the bootloader (or at least toggled the toggle), then you were locked in until a foreign national found a hacking way to get in, but they charge for it. All this while Verizon phones have been ultimately SIM unlocked for similarly a very long time.
mustangtim49 said:
It's not necessarily true, according to Verizon, they Sim unlock their phones after 60 days. Once that is done, we should be able to to check oem unlocking option in developers options and unlock the bootloader. Am I missing something?
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You might be thinking 'carrier unlocked' vs "bootloader unlocked".
VZW does NOT like people rooting their devices so they have locked the bootloaders for several years now. I honestly don't even think any devs are working on a workaround/bypass for VZW devices anymore because they've had a long history of tightly locking down their device's bootloaders.
Az Biker said:
You might be thinking 'carrier unlocked' vs "bootloader unlocked".
VZW does NOT like people rooting their devices so they have locked the bootloaders for several years now. I honestly don't even think any devs are working on a workaround/bypass for VZW devices anymore because they've had a long history of tightly locking down their device's bootloaders.
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No, I've been rooting/modding phones since eclair and used to be an XDA News writer, I definitely understand the difference between sim and bootloader unlocking. Once the phone is sim unlocked, the "OEM UNLOCK" option should no longer be greyed out in the developer options. Once that setting becomes available after sim unlock, there shouldn't be anything in the way of unlocking the bootloader. The only thing that could be an issue is if the manufacturer then required a token to unlock the bootloader, but I'm gonna go with Google isn't requiring that. Now, this is all based on my own knowledge and experience, if anyone has more insight to either back me up or shoot me down, please, this is the whole reason we're here in these threads, to gain knowledge and information. If Verizon is so informal about sim unlocking their phones after 60 days, it really doesn't make sense for them to enforce bootloader locking at that point. I mean, what is the point once they cut you loose with your sim card? Check this out, I had this ****ty Nord 10 5G from Metro and a guy figured out which apps to remove via ADB to carrier unlock the phone, hence making the OEM UNLOCK choice available in developer settings. What I'm saying is sometimes things aren't as locked down as you think, I mean, Metro is pretty strict on carrier locking their phones and really don't like doing it after you've met all the requirements. So if it's as easy as getting rid of a few apps via sneaking through ADB, it's gotta be that way for all the phones it's not like they're running different software (other than version level) they're all Android. Maybe this information will inspire someone on here that knows way more than me to figure out how to unlock a Verizon locked bootloader. If I'm correct, they really don't have that power to lock the bootloader, only to take away our option to do so by "sim/carrier" locking the phone which the software is told to take away our ability to choose that option. Please, anyone, I honestly would like to know if I'm wrong, but don't just say I'm wrong, explain to me and the rest of us. Thanks guys and girls!!!
mustangtim49 said:
No, I've been rooting/modding phones since eclair and used to be an XDA News writer, I definitely understand the difference between sim and bootloader unlocking. Once the phone is sim unlocked, the "OEM UNLOCK" option should no longer be greyed out in the developer options. Once that setting becomes available after sim unlock, there shouldn't be anything in the way of unlocking the bootloader. The only thing that could be an issue is if the manufacturer then required a token to unlock the bootloader, but I'm gonna go with Google isn't requiring that. Now, this is all based on my own knowledge and experience, if anyone has more insight to either back me up or shoot me down, please, this is the whole reason we're here in these threads, to gain knowledge and information.
If Verizon is so informal about sim unlocking their phones after 60 days, it really doesn't make sense for them to enforce bootloader locking at that point.
I mean, what is the point once they cut you loose with your sim card? Check this out, I had this ****ty Nord 10 5G from Metro and a guy figured out which apps to remove via ADB to carrier unlock the phone, hence making the OEM UNLOCK choice available in developer settings. What I'm saying is sometimes things aren't as locked down as you think, I mean, Metro is pretty strict on carrier locking their phones and really don't like doing it after you've met all the requirements. So if it's as easy as getting rid of a few apps via sneaking through ADB, it's gotta be that way for all the phones it's not like they're running different software (other than version level) they're all Android. Maybe this information will inspire someone on here that knows way more than me to figure out how to unlock a Verizon locked bootloader. If I'm correct, they really don't have that power to lock the bootloader, only to take away our option to do so by "sim/carrier" locking the phone which the software is told to take away our ability to choose that option. Please, anyone, I honestly would like to know if I'm wrong, but don't just say I'm wrong, explain to me and the rest of us. Thanks guys and girls!!!
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I seriously doubt the "60 day sim unlock" allows the bootloader to be unlocked, otherwise we'd have a ton of VZW variant threads filled with development, and devices that are 61 days old, rooted, and running custom Roms.
But we don't. We don't have even have any developers working on VZW devices, regardless of age. So deductively thinking, the "60 day sim unlock" doesn't sound like it's currently an option.
Just my .02 (USD) worth
mustangtim49 said:
Once the phone is sim unlocked, the "OEM UNLOCK" option should no longer be greyed out in the developer options. Once that setting becomes available after sim unlock, there shouldn't be anything in the way of unlocking the bootloader.
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That has never, ever been the case with Verizon variants of phones. 1) Verizon phones have been SIM/carrier unlocked from the get-go for a very long time and 2) Except for rare anomalies like the Pixel 1 on Android 7.10 or below, OEM unlocking was always grayed out.
mustangtim49 said:
Once the phone is sim unlocked, the "OEM UNLOCK" option should no longer be greyed out in the developer options.
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That has never happened on a VZ Pixel and it is not going to happen on this one. Why is this so hard for people to understand?
mustangtim49 said:
No, I've been rooting/modding phones since eclair and used to be an XDA News writer, I definitely understand the difference between sim and bootloader unlocking. Once the phone is sim unlocked, the "OEM UNLOCK" option should no longer be greyed out in the developer options. Once that setting becomes available after sim unlock, there shouldn't be anything in the way of unlocking the bootloader. The only thing that could be an issue is if the manufacturer then required a token to unlock the bootloader, but I'm gonna go with Google isn't requiring that. Now, this is all based on my own knowledge and experience, if anyone has more insight to either back me up or shoot me down, please, this is the whole reason we're here in these threads, to gain knowledge and information. If Verizon is so informal about sim unlocking their phones after 60 days, it really doesn't make sense for them to enforce bootloader locking at that point. I mean, what is the point once they cut you loose with your sim card? Check this out, I had this ****ty Nord 10 5G from Metro and a guy figured out which apps to remove via ADB to carrier unlock the phone, hence making the OEM UNLOCK choice available in developer settings. What I'm saying is sometimes things aren't as locked down as you think, I mean, Metro is pretty strict on carrier locking their phones and really don't like doing it after you've met all the requirements. So if it's as easy as getting rid of a few apps via sneaking through ADB, it's gotta be that way for all the phones it's not like they're running different software (other than version level) they're all Android. Maybe this information will inspire someone on here that knows way more than me to figure out how to unlock a Verizon locked bootloader. If I'm correct, they really don't have that power to lock the bootloader, only to take away our option to do so by "sim/carrier" locking the phone which the software is told to take away our ability to choose that option. Please, anyone, I honestly would like to know if I'm wrong, but don't just say I'm wrong, explain to me and the rest of us. Thanks guys and girls!!!
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sorry. your misinformed. Pixel devices from Verizon cannot have the bootloader unlocked. Period. end of story.
Have you ever had a Verizon device that was "carrier/sim unlocked" but couldn't unlock the bootloader? I have. and its real, so please research before you post misinformation.
mustangtim49 said:
No, I've been rooting/modding phones since eclair and used to be an XDA News writer, I definitely understand the difference between sim and bootloader unlocking. Once the phone is sim unlocked, the "OEM UNLOCK" option should no longer be greyed out in the developer options. Once that setting becomes available after sim unlock, there shouldn't be anything in the way of unlocking the bootloader. The only thing that could be an issue is if the manufacturer then required a token to unlock the bootloader, but I'm gonna go with Google isn't requiring that. Now, this is all based on my own knowledge and experience, if anyone has more insight to either back me up or shoot me down, please, this is the whole reason we're here in these threads, to gain knowledge and information. If Verizon is so informal about sim unlocking their phones after 60 days, it really doesn't make sense for them to enforce bootloader locking at that point. I mean, what is the point once they cut you loose with your sim card? Check this out, I had this ****ty Nord 10 5G from Metro and a guy figured out which apps to remove via ADB to carrier unlock the phone, hence making the OEM UNLOCK choice available in developer settings. What I'm saying is sometimes things aren't as locked down as you think, I mean, Metro is pretty strict on carrier locking their phones and really don't like doing it after you've met all the requirements. So if it's as easy as getting rid of a few apps via sneaking through ADB, it's gotta be that way for all the phones it's not like they're running different software (other than version level) they're all Android. Maybe this information will inspire someone on here that knows way more than me to figure out how to unlock a Verizon locked bootloader. If I'm correct, they really don't have that power to lock the bootloader, only to take away our option to do so by "sim/carrier" locking the phone which the software is told to take away our ability to choose that option. Please, anyone, I honestly would like to know if I'm wrong, but don't just say I'm wrong, explain to me and the rest of us. Thanks guys and girls!!!
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Unfortunately, and I hate to be the bearer of bad news because I didn't want to find this out for myself lol (but of course I really did), but I can tell everyone that I have the Verizon version and after 60..well a little after that because of course it was not as easy as their terms say on their website that it will automatically unlock after 60 days...yeah right..I had to call and chat I cant even tell you how many times...to finally get the right person to help me...which turned into waiting a few more days but he came through and unlocked it....
so the bad news: the oem unlock in developer options is still greyed out. Now it says to contact your carrier or connect to the internet
I still have hope for maybe one day? i mean there is ALWAYS a way to do anything on phones..someone smart enough just has to figure it out
mrindependent said:
Unfortunately, and I hate to be the bearer of bad news because I didn't want to find this out for myself lol (but of course I really did), but I can tell everyone that I have the Verizon version and after 60..well a little after that because of course it was not as easy as their terms say on their website that it will automatically unlock after 60 days...yeah right..I had to call and chat I cant even tell you how many times...to finally get the right person to help me...which turned into waiting a few more days but he came through and unlocked it....
so the bad news: the oem unlock in developer options is still greyed out. Now it says to contact your carrier or connect to the internet
I still have hope for maybe one day? i mean there is ALWAYS a way to do anything on phones..someone smart enough just has to figure it out
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This was the same for the Verizon Pixel 2 XL, and every Verizon Pixel since. No unlockable bootloader unfortunately.
My first foray into rooting was with the Galaxy Nexus. That had no issues unlocking the bootloader, and was the last phone I've bought at a store.
It's sad, that I can bring my rooted device and get a new line, but I can't tinker with their versions if I were to buy one at a store, online, whatever.
Their loss imo as there are a number of us I think, who would buy at the store if we could unlock the bootloader. I guess we as a group aren't big enough for them to worry about though.
You can however, play musical SIM card between devices, and it works. For the most part anyways.
I hate this.
What do they think people are just going to accidentally stumble on this, mistakenly download specific apps and Roms and out of the blue, randomly, and incorrectly, flash a very specific file causing the phone to brick and they don't want to keep fixing it?
Cause those Muppets all have iPhones...
Beyond stupid.
And here I was, done with how Samsung limited this process, so I ditched it for the shiny new Pixel... I'm the Muppet
tmessy said:
And here I was, done with how Samsung limited this process, so I ditched it for the shiny new Pixel
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Every Verizon variant of phones is locked down, and certainly, historically different models of them have been able to be either unlocked, or most of the time as far as I've experienced a workaround (security vulnerability) to unlocking was found (IIRC, the Stump method on LG phones worked this way), and the (again, as far as I'm aware) single time(s) that a Verizon phone was able to be bootloader unlocked as if it was made to be able to do so from the get-go, more or less: The Pixel 1 on Android 7.10 or below, and there is some foreign hacking method which can exploit some secret vulnerability if you're willing to pay to still be able to bootloader unlock the Pixel 1.
In my opinion, Samsung limits are even worse than the carrier-imposed limits, as Samsung keeps their phones from being bootloader unlocked on every U.S. Carrier, and even the direct from Samsung bought in the U.S. factory carrier unlocked model, but please correct me if I'm wrong. I only know the experience with the phones I've actually owned and what I remember from reading about others' experiences, however. The Exynos-based versions of Samsung phones are able to be bootloader unlocked at least in most countries, and again IIRC, some Snapdragon-based Samsungs in one or a few select countries too. Sony officially allows their bootloaders to be unlocked, but they purposefully and permanently gimp your phone's features if you do - and some other OEMs do similar, I'm given to understand.
I know it's frustrating about Verizon. Besides no longer buying carrier-specific models of phones, I no longer use Verizon as well, but it sucks for those who really need the carrier incentives.
roirraW edor ehT said:
Every Verizon variant of phones is locked down, and certainly, historically different models of them have been able to be either unlocked, or most of the time as far as I've experienced a workaround (security vulnerability) to unlocking was found (IIRC, the Stump method on LG phones worked this way), and the (again, as far as I'm aware) single time(s) that a Verizon phone was able to be bootloader unlocked as if it was made to be able to do so from the get-go, more or less: The Pixel 1 on Android 7.10 or below, and there is some foreign hacking method which can exploit some secret vulnerability if you're willing to pay to still be able to bootloader unlock the Pixel 1.
In my opinion, Samsung limits are even worse than the carrier-imposed limits, as Samsung keeps their phones from being bootloader unlocked on every U.S. Carrier, and even the direct from Samsung bought in the U.S. factory carrier unlocked model, but please correct me if I'm wrong. I only know the experience with the phones I've actually owned and what I remember from reading about others' experiences, however. The Exynos-based versions of Samsung phones are able to be bootloader unlocked at least in most countries, and again IIRC, some Snapdragon-based Samsungs in one or a few select countries too. Sony officially allows their bootloaders to be unlocked, but they purposefully and permanently gimp your phone's features if you do - and some other OEMs do similar, I'm given to understand.
I know it's frustrating about Verizon. Besides no longer buying carrier-specific models of phones, I no longer use Verizon as well, but it sucks for those who really need the carrier incentives.
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NOt every verizon phone, The samsung s20 bootloader was able to be unlocked.
lucky_strike33 said:
NOt every verizon phone, The samsung s20 bootloader was able to be unlocked.
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As it came without some temporary trick or vulnerability someone was able to take advantage of?

OEM Unlocking not appearing

Hello! I have a T-Mobile carrier Galaxy S9 (SM-G960U) and I haven't been able to find the OEM unlocking in my developer options. I have the device permanently unlocked (via the T-Mobile Device Unlock app) and I've still haven't been able to figure it out. I've been wanting to get Pixel Experience on this phone (since my main driver is a Pixel 6 Pro) and it hasn't been too successful. Thank you in advance!
Hello! Bro, i think there are no apps needed to unlock phone's bootloader.
If you used this app to unlock the bootloader bacuse this option did not appear in the settings, then you simply did not know, that it may take some time to be shown.
For my galaxy a51 it took only 5 mins after hard reset and connecting to the internet, but as I had galaxy a5, it needed a whole week to be there.
So, my my advice is, that you need to hard reset your phone, set up it after that and connect to the Internet; then enable developer options and make sure there is no such field. Afterwards wait maximum for 20 minutes and look through again. If it did not appear, it means that you need to wait more.
sorry for the grammar and so one, my english is not as fantastic as it could be
but as you can see, the threads of this phone are dead, therefore you will need to search the information for your questions in the internet, if you understand
but you can wait help from me, at least this day
btw, have it good!
I'm also having this issue and Googling the solution for hours on end has produced no results. I can't place calls because I can't enable VoLTE because I can't use flashing tools because I can't enable OEM Unlocking. I've had the phone for two years and I shouldn't have to delete all of my data just to use a basic function,
vmirrimv said:
you will need to search the information for your questions in the internet
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Replies like this are incredibly unhelpful.
Agreed. It sucks though because I've had the device unlocked by T-Mobile, and had it for over a week without a reset. On the other hand, my Google Pixel 6 Pro shows "OEM Unlocking" in its Dev options area but says that it cannot be unlocked due to it being carrier-locked. I wish at least Samsung gave this option, even though it'd be greyed out.
InkyBuro said:
Hello! I have a T-Mobile carrier Galaxy S9 (SM-G960U) and I haven't been able to find the OEM unlocking in my developer options. I have the device permanently unlocked (via the T-Mobile Device Unlock app) and I've still haven't been able to figure it out. I've been wanting to get Pixel Experience on this phone (since my main driver is a Pixel 6 Pro) and it hasn't been too successful. Thank you in advance!
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North American Samsung models haven't been user-unlockable since the Galaxy S7.
It *is* unlockable, but via paid 3rd party service only. You can PM me for more details if interested
iBowToAndroid said:
North American Samsung models haven't been user-unlockable since the Galaxy S7.
It *is* unlockable, but via paid 3rd party service only. You can PM me for more details if interested
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This is not only false, it's spam.
What you're doing is selling carrier unlocking services, which can often be obtained for free through the carrier customer service. InkyBuro is requesting advice for OEM unlocking, which allows a user to unlock their bootloader and customize their firmware.
MrV902 said:
This is not only false, it's spam.
What you're doing is selling carrier unlocking services, which can often be obtained for free through the carrier customer service. InkyBuro is requesting advice for OEM unlocking, which allows a user to unlock their bootloader and customize their firmware.
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No. I'm very well aware of the difference between carrier unlocking and bootloader unlocking. OP even says right there in his post that the device is already carrier unlocked. So why would I post anything about carrier unlocking....?
OP asked for bootloader unlocking, and that's what I responded with.
So you might wanna double check next time before assuming
iBowToAndroid said:
No. I'm very well aware of the difference between carrier unlocking and bootloader unlocking. OP even says right there in his post that the device is already carrier unlocked. So why would I post anything about carrier unlocking....?
OP asked for bootloader unlocking, and that's what I responded with.
So you might wanna double check next time before assuming
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Bootloader unlock has remained possible since the Galaxy S7, the only caveat being Exynos devices have historically not been unlockable.
Additionally, I am sending you a PM. I suggest you read it.
V0latyle said:
Bootloader unlock has remained possible since the Galaxy S7, the only caveat being Exynos devices have historically not been unlockable.
Additionally, I am sending you a PM. I suggest you read it.
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Bootloaders can NOT be unlocked by the end user on North American models, starting with the Galaxy S8.
Bootloaders ARE user unlockable (via OEM Unlock) on the vast majority of Samsung devices originating outside of North America, especially Exynos models.
I don't think you spend much time in the Samsung forums. This is something that inevitably gets brought up for every single North American model, and most models will have multiple threads in their respective forums, asking about bootloader unlock.
[Android][UNSAMLOCK] Bootloader Unlock for Samsung US/Canada Devices
This thread is @svetius approved Important notice: Do not update to April 2023 security update (XXXXXXXXXXWCX) or later. Examples: G998USQS6EWCA, N986USQU4HWD1. Samsung has patched the bootloader unlock again on those updates. NOTE: The OneUI...
forum.xda-developers.com
So, to be clear, unlocking North American Samsung devices (Snapdragon) seems to be only possible using the above service, which has been approved for XDA. To my knowledge there is no free alternative unfortunately.
V0latyle said:
So, to be clear, unlocking North American Samsung devices (Snapdragon) seems to be only possible using the above service, which has been approved for XDA. To my knowledge there is no free alternative unfortunately.
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I have had all US devices from S1 to S21 series
S1-S2 was unlockable by default
S3 was unlockable on certain variants
S4 was unlockable with loki
S5 Verizon unlockable on CID15 only
S6 unlockable only on certain variants
S7 not quite sure
S8-S22 require unlock token as there no exploits yet
i have one plus 9 pro LE2127, cant enable OEM unlock from developer option, help me pls
mubashar5130 said:
i have one plus 9 pro LE2127, cant enable OEM unlock from developer option, help me pls
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Why are you posting in the Samsung forum....????

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