Question Need help to Convert SM-F936U/DS ATT Fold 4 to Indian Fold 4 version? - Samsung Galaxy Z Fold 4

So I am using AT&T version Zfold 4 model SM-F936U/DS in India and my software version is as follows:
Build number
SP2A.220305.013.F936USQU1AVGA
Service provider software version
SAOMC_SM-F936U_OYN_GCF_12_0003
GCF/GCF.GCF/XAA
Its stuck on android 12 May update.
I want to flash Indian firmware to make it Indian version of Z fold 4 for faster updates and enabling the call recorder.
What do I need to do? Any help will be appreciated. If this is answered anywhere please provide links to that thread and I will delete this one.
I am totally confused about CSC, firmware version, carrier version etc.

Not gonna happen without root, even then might be difficult.
The Indian model is a F936B model. Trying to flash the firmware on it is like trying to flash IOS on an android.
Did see a way to change CSC in the forum however I believe you needed to have the compatible variant as it needed the OXM ROM flashed 1st.

ultramag69 said:
Not gonna happen without root, even then might be difficult.
The Indian model is a F936B model. Trying to flash the firmware on it is like trying to flash IOS on an android.
Did see a way to change CSC in the forum however I believe you needed to have the compatible variant as it needed the OXM ROM flashed 1st.
Click to expand...
Click to collapse
Thanks for the reply. I am browsing the forums for a solution and so far have got nothing. I don't want to root the device as of now.

ultramag69 said:
Not gonna happen without root, even then might be difficult.
The Indian model is a F936B model. Trying to flash the firmware on it is like trying to flash IOS on an android.
Did see a way to change CSC in the forum however I believe you needed to have the compatible variant as it needed the OXM ROM flashed 1st.
Click to expand...
Click to collapse
Hii have a zfold f936b bought from eBay.
It says IMEI is 00000000 and when I insert sim nothing happens.
Any idea what are my options ?

Adv.Chirag said:
So I am using AT&T version Zfold 4 model SM-F936U/DS in India and my software version is as follows:
Build number
SP2A.220305.013.F936USQU1AVGA
Service provider software version
SAOMC_SM-F936U_OYN_GCF_12_0003
GCF/GCF.GCF/XAA
Its stuck on android 12 May update.
I want to flash Indian firmware to make it Indian version of Z fold 4 for faster updates and enabling the call recorder.
What do I need to do? Any help will be appreciated. If this is answered anywhere please provide links to that thread and I will delete this one.
I am totally confused about CSC, firmware version, carrier version etc.
Click to expand...
Click to collapse
Your phone, F936U, is carrier locked to the U.S. network, AT&T, and if genuine, can only receive updates when connected on their network as unlike other models, AT&T issue their own firmware updates.
This model also has a locked bootloader which prevents the flashing of alternative stock firmware.
Also, it seems strange that a phone that was only launched in August 2022 would have a, "May", update. Install DevCheck, free from the Play Store and check if you have a clone phone.

Emmanuel Spadafora said:
Hii have a zfold f936b bought from eBay.
It says IMEI is 00000000 and when I insert sim nothing happens.
Any idea what are my options ?
Click to expand...
Click to collapse
The phones efs/file is corrupt. See...
What is EFS folder ?
Hi All, I came to know the EFS folder is very important in Samsung phones. I didn't cared about it and flashed a different region ROM (XEU->OZS). Each thing is working fine. I can remember that there used to be some files inside the EFS folder...
forum.xda-developers.com
I have never been able to repair an efs/file but here is a link to someone who claims to have done so...
[GUIDE] how to fix EFS Damaged on samsung devices [EASY!]
Edited in 2022 to make it look a bit better! *WARNING* *TAKE A NANDROID BACKUP OF EFS AND BASEBAND BEFORE STARTING* Hello people, first I want to say that this is my first guide so it doesn't really look professional but I am doing my best to...
forum.xda-developers.com

[email protected] said:
Your phone, F936U, is carrier locked to the U.S. network, AT&T, and if genuine, can only receive updates when connected on their network as unlike other models, AT&T issue their own firmware updates.
This model also has a locked bootloader which prevents the flashing of alternative stock firmware.
Also, it seems strange that a phone that was only launched in August 2022 would have a, "May", update. Install DevCheck, free from the Play Store and check if you have a clone phone.
Click to expand...
Click to collapse
I got it carrier unlocked. Everything works fine in India with major carriers, even getting 5G to work here. Attaching screenshots of DevCheck
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Adv.Chirag said:
I got it carrier unlocked. Everything works fine in India with major carriers, even getting 5G to work here. Attaching screenshots of DevCheck
View attachment 5789875View attachment 5789881
Click to expand...
Click to collapse
Seems genuine. Your mention of a May update threw me.
It is running the F936USQU1AVGA firmware which it was launched with and therefore, has never received an update.
However, it is still a bootloader locked model, even though you have it carrier unlocked. The only way to update it is to insert an AT&T SIM card and connect to their network in the US. Other than that, you will need to do a search to see if there are any custom ROM's that utilises the locked AT&T bootloader. Alternatively, just carry on using it as it is

[email protected] said:
Seems genuine. Your mention of a May update threw me.
It is running the F936USQU1AVGA firmware which it was launched with and therefore, has never received an update.
However, it is still a bootloader locked model, even though you have it carrier unlocked. The only way to update it is to insert an AT&T SIM card and connect to their network in the US. Other than that, you will need to do a search to see if there are any custom ROM's that utilises the locked AT&T bootloader. Alternatively, just carry on using it as it is
Click to expand...
Click to collapse
Thanks for clearing these things for me. I appreciate it.

No experience with AT&T but if they release their firmware online then you should be able to download & flash latest using ODIN.
Good Luck....

ultramag69 said:
No experience with AT&T but if they release their firmware online then you should be able to download & flash latest using ODIN.
Good Luck....
Click to expand...
Click to collapse
Thanks

i dont think its possible, India phone comes with 2 physical sim slots or an esim option for the second sim where as the AT&T which you and I have, comes only with single physical sim.

Adv.Chirag said:
So I am using AT&T version Zfold 4 model SM-F936U/DS in India and my software version is as follows:
Build number
SP2A.220305.013.F936USQU1AVGA
Service provider software version
SAOMC_SM-F936U_OYN_GCF_12_0003
GCF/GCF.GCF/XAA
Its stuck on android 12 May update.
I want to flash Indian firmware to make it Indian version of Z fold 4 for faster updates and enabling the call recorder.
What do I need to do? Any help will be appreciated. If this is answered anywhere please provide links to that thread and I will delete this one.
I am totally confused about CSC, firmware version, carrier version etc.
Click to expand...
Click to collapse
Hi Chirag,
were you able to update your phone? I have the same model(SM-F936U/DS) and stuck with an old update and no new updates show up even though Andriod 13 has been rolled out for the Indian variants.
if there is no possibility of updating the phone then I might consider selling it! any help woud be appreciated.

chakraa2 said:
Hi Chirag,
were you able to update your phone? I have the same model(SM-F936U/DS) and stuck with an old update and no new updates show up even though Andriod 13 has been rolled out for the Indian variants.
if there is no possibility of updating the phone then I might consider selling it! any help woud be appreciated.
Click to expand...
Click to collapse
There is no way I could find online to get the updates. Nothing works. The only way is to have US sim and be connected to AT&T network in US to get the update which is impossible. So I guess we are stuck with the old os version.

Adv.Chirag said:
There is no way I could find online to get the updates. Nothing works. The only way is to have US sim and be connected to AT&T network in US to get the update which is impossible. So I guess we are stuck with the old os version.
Click to expand...
Click to collapse
Hi Chirag,
Thanks for the revert. Thats a bummer that we can't do anything with the update. I can still make my peace with the slow updates but having no updates especially the security updates is very concerning.
I will keep you posted in case I happen to come across any solution to this.
Regards,
Amit.

Adv.Chirag said:
I got it carrier unlocked. Everything works fine in India with major carriers, even getting 5G to work here. Attaching screenshots of DevCheck
View attachment 5789875View attachment 5789881
Click to expand...
Click to collapse
may I ask how you able to unlock it? Who did you go to?

I would say just start going through the different csc that's how I got mine to show the new up date then I just went back to gfc
Adv.Chirag said:
There is no way I could find online to get the updates. Nothing works. The only way is to have US sim and be connected to AT&T network in US to get the update which is impossible. So I guess we are stuck with the old os version.
Click to expand...
Click to collapse
I would say just start changing csc until it comes up that's how I got mine to show then January update and then I went back to GFC

shorty9210 said:
I would say just start going through the different csc that's how I got mine to show the new up date then I just went back to gfc
I would say just start changing csc until it comes up that's how I got mine to show then January update and then I went back to GFC
Click to expand...
Click to collapse
Hi, Do you mind listing out the csc version that you used? Also any tips on how to flash it would be appreciated . The lack of software update is really driving me nuts man.

Adv.Chirag said:
There is no way I could find online to get the updates. Nothing works. The only way is to have US sim and be connected to AT&T network in US to get the update which is impossible. So I guess we are stuck with the old os version.
Click to expand...
Click to collapse
Hi Chirag,
I can confirm the method mentioned shorty9210 indeed works! I just changed the CSC to T-Mob and the updates have started flowing. Just use the samFw.com tool to change the CSC, you will get T-MOB logo once you have changed the CSC but the updates will come by. It didnt delete the data too. Couldnt be any happier!
Give it a shot!
Cheers,
Amit.

shorty9210 said:
I would say just start going through the different csc that's how I got mine to show the new up date then I just went back to gfc
I would say just start changing csc until it comes up that's how I got mine to show then January update and then I went back to GFC
Click to expand...
Click to collapse
you are a life saver sir! Thanks so much! I changed the csc to T-Mob and the updates are flowing! A quick question though do we need to change back and forth to GFC everytime theres an update? For now mine is at T-MOB.

Related

[Q] 925i ROM on a 925t S6 Edge?

Hello guys!
Well, I'm from Brazil and when travelling in USA decided to buy the new Galaxy S6 Edge. Looked for the unlocked international version but could not find it. So, searching the web I saw that the T-Mobile frequencies are the same from my brazilian carrier (Claro). Bought it!
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Now I'm trying to get rid of the T-mobile stuffs (logos and apps). So decided to try to install a international ROM (SM-G925i - Brazil ZTO) with no success. Odin gave me "fail". Tryied to root (CF - autoroot using the S6 version because the S6 Edge version was briking my phone) and it worked. Then I tryied to install the ZTO room again also with no success.
So I change it back to default T-Mobile ROM, that I don't know if it is locked or no (will try my carrier chip later because the one I have isn't micro - need to buy one).
But it seems that the SM-G925T have some king of lock to block the instalation of ROMs from other countries (market!).
Is there any way to bypass it? In other words can I install a SM-G925i ROM on a SM-G925T S6 Edge?
Thank you all!
It's not just this phone. Most modern handsets do not allow installation of other model ROMs. Developers can make hacked up versions that work, but there are serious risks of problems with those ROMs. Your best bet is to root, install Titanium Backup Pro, and freeze the T-Mobile stuff. Don't uninstall anything. T-Mobile handsets are fairly unbloated as it is, so it's not a big order.
All right.. just updating... with the stock T-Mobile ROM I tryied my carrier SIM card and.......... "invalid SIM card" message appeared. So the T-Mobile S6 Edge IS locked! And it didn't even ask me for a code!
dc/dc, if the bootloader is locked is there a way to unlocks it? Maybe TWRP?
What I'd like to do is install a umbranded international ROM and continue to get the OTAs!
Thanks in advance!
Cristiano
cristianomc said:
dc/dc, if the bootloader is locked is there a way to unlocks it? Maybe TWRP?
What I'd like to do is install a umbranded international ROM and continue to get the OTAs!
Thanks in advance!
Cristiano
Click to expand...
Click to collapse
The bootloader isn't locked. The phone can be network unlocked using an app that came on the phone (Device Unlock maybe?)
Yes, but the permanent unlock says that my device isn't elegible and the temporary unlock says that fails to apply the unlock! I'm already in Brazil so I cannot go to a T-Mobile store to fix it
Inserted my carrier SIM card with the T-Mobile ROM rooted but got the same message "Invalid SIM card".
It's insane.. that should be a way to get the network unlocked using other method than asking it for T-Mobile.
You needed to use that app to unlock it before returning to Brasil, and you would need a T-Mobile account. There are some sites that have the codes, so just do a search through here.
dc/dc said:
You needed to use that app to unlock it before returning to Brasil, and you would need a T-Mobile account. There are some sites that have the codes, so just do a search through here.
Click to expand...
Click to collapse
Please follow this and other threads,
http://forum.xda-developers.com/tmobile-galaxy-s6-edge/help/t-mobile-device-unlock-app-t3086772
It´s a matter of fact that if you got a t-mobile phone locked, ther is no way to avoid the app, and if you are not elegible, you just can wait for a rom that can be flashed to overcome the app.
I contacted T-Mobile and got the response that I need to have $100 in my account to be "elegible" to network unlock my phone.
Man, it's really insane! In Brazil all phones must be unlocked and if one is locked the carrier must unlock it for free.. that's the law!
TMobo, you sucks!
cristianomc said:
I contacted T-Mobile and got the response that I need to have $100 in my account to be "elegible" to network unlock my phone.
Man, it's really insane! In Brazil all phones must be unlocked and if one is locked the carrier must unlock it for free.. that's the law!
TMobo, you sucks!
Click to expand...
Click to collapse
Honestly, it's not T-Mobile's fault that you didn't do your research.
There is no research that can fix a stupid american law that constraints consumers to be tied in a carrier allowing it to have "elegibilities" to be free. Honestly, I think acting this way isn't the american spirit, for shure!
cristianomc said:
There is no research that can fix a stupid american law that constraints consumers to be tied in a carrier allowing it to have "elegibilities" to be free. Honestly, I think acting this way isn't the american spirit, for shure!
Click to expand...
Click to collapse
There's no law involved at all. The telecom industry in the USA is simply different than in Brasil. It's changing, but no country will ever work the same as another. It's not T-Mobile or the USA's fault that you're having trouble. Sorry mate.
All right buddy... let's get ride of the "off topic" discussion. Thanks for helping me!
As I'll be able to be back in USA only at october and there is no way to send my Edge to TM, I'll continue to wait for a way to install a international ROM on it or wait for a MPCS ROM to unlock it after rooted and get back to TM ROM but network unlocked! This way besides having the TM stuffs and logos I can use my carrier SIM and continue receiving the OTAs at least!
Any news I'll let you know!
:thumbup:
same boat
cristianomc said:
All right buddy... let's get ride of the "off topic" discussion. Thanks for helping me!
As I'll be able to be back in USA only at october and there is no way to send my Edge to TM, I'll continue to wait for a way to install a international ROM on it or wait for a MPCS ROM to unlock it after rooted and get back to TM ROM but network unlocked! This way besides having the TM stuffs and logos I can use my carrier SIM and continue receiving the OTAs at least!
Any news I'll let you know!
:thumbup:
Click to expand...
Click to collapse
Yes men, I am a same boat, if you have news please tellme, i waith for a unlock sim rom.
Thanks
If any developer needs help with testing on this feel free to contact me.
Cheers!
fabioplata said:
Yes men, I am a same boat, if you have news please tellme, i waith for a unlock sim rom.
Thanks
Click to expand...
Click to collapse
cristianomc said:
If any developer needs help with testing on this feel free to contact me.
Cheers!
Click to expand...
Click to collapse
Again, a ROM will not unlock the SIM slot.
ok
dc/dc said:
Again, a ROM will not unlock the SIM slot.
Click to expand...
Click to collapse
Ok its true, with only the ROM not will unlock the sim slot, but we need a ROM like a International ROM that acept de uclock code.. like a metro pcs for galasy s6 no?
fabioplata said:
Ok its true, with only the ROM not will unlock the sim slot, but we need a ROM like a International ROM that acept de uclock code.. like a metro pcs for galasy s6 no?
Click to expand...
Click to collapse
youre correct. I think alot of people are having a hard time understanding whats going on with these phones. Im in the same boat. Have an S6 edge TMOB and I cant get the damn thing unlocked. Scour the internet every morning for an answer..
I also have a 128GB S6 TMOB and the Metro firmware worked just fine. We need to be able to flash another rom to this phone to get the phone to accept the unlock code. Im not a developer so Im stuck waiting like you
I do the same.. Every morning with the hope to find a solution..
I think we only need a developer who want really do that.. I follow this forum and see amazing developers..
So.. Please help us.
Thanks..

SM-G9600/DS firmware (Dual-sim)

Hi all, I am new to this and just did a bit of research but I still have some questions that you all might be able to answer..
So I just purchased a Chinese S9 due to the dual-sim capability, but of course there is no google play store and is other chinese bloatware.
I was going to change the firmware to another Snapdragon (US) capable firmware, but there is none available for dual-sim, which is the main reason I bought the phone.
My question, is the Hong Kong version of SM-G9600/DS firmware going to allow me to use the google playstore?
If so, what is the difference between "G9600ZHU2ARC6_CL13087568_QB17462476_REV01_user_low_ship_MULTI_CERT_meta.zip (Oreo/HongKong)" and "G9600ZHU1ARC1_CL13087568_QB17191487_REV01_user_low_ship_MULTI_CERT_meta.zip (Oreo/HongKong)"?
If all else fails, will separately downloading/installing the google playstore on the original chinese firmware be functional?
Thanks in advance!
Yes HK firmware comes with playstore and sorry I don't know the difference for the 2 different firmware, the latest one is ARC6
Zenroid said:
Yes HK firmware comes with playstore and sorry I don't know the difference for the 2 different firmware, the latest one is ARC6
Click to expand...
Click to collapse
Thank you Zenroid.
I was thinking about it, but is the HK version considered the "International Version" and thus using the Exynos chipset as opposed to the China/USA Snapdragon?
edit: Did a quick google search and the HK version has the Snapdragon chipset. I guess I will need to look around for the HK dual-sim firmware.
The SM-G9600 firmware has the SM-G9600/DS firmware, I installed the SM-G9600 G9600ZHU2ARD3 CHO firmware (Chile) in a dual sim and I have no problems, it works fine, it is the version without blotware for Latin America, it has monthly updates (currently has the security patch of April), has Play Store and all the Samsung apps.
You're absolutely right Dark_3g. The SM-G9600 is for both China/HK and Latin America, luckily.
So I downloaded the HK firmware for SM-G9600 (arc6) and loaded into my phone and everything works perfectly.
Many thanks guys!
Dark_3g said:
The SM-G9600 firmware has the SM-G9600/DS firmware, I installed the SM-G9600 G9600ZHU2ARD3 CHO firmware (Chile) in a dual sim and I have no problems, it works fine, it is the version without blotware for Latin America, it has monthly updates (currently has the security patch of April), has Play Store and all the Samsung apps.
Click to expand...
Click to collapse
onijomiko said:
You're absolutely right Dark_3g. The SM-G9600 is for both China/HK and Latin America, luckily.
So I downloaded the HK firmware for SM-G9600 (arc6) and loaded into my phone and everything works perfectly.
Many thanks guys!
Click to expand...
Click to collapse
When you flashed the new firmware, did it trip KNOX? I know it shouldn't, since it's official, but that doesn't stop my brain from telling me to worry about it, haha.
onijomiko said:
You're absolutely right Dark_3g. The SM-G9600 is for both China/HK and Latin America, luckily.
So I downloaded the HK firmware for SM-G9600 (arc6) and loaded into my phone and everything works perfectly.
Many thanks guys!
Click to expand...
Click to collapse
onijomiko - I have the same question. Does it trip Knox? What is the filename or version number of the firmware you installed? Does it support VoLTE and Wifi calling, for either one or both SIMs?
I bought a HK version phone from a retailer in the US. As soon as I started it, it prompted me an OTA upgrade which I did. Now, it's at baseband version G9600ZCU2ARE6.
If I go to software updates, it says "The latest version updates have already been installed. Current version: G9600ZHU2ARE6/G9600OWO2ARE6/G9600ZCU2ARE6". I'm not sure why it lists three different version numbers here. From a quick google search, samsung-firmware.org shows:
PDA/AP Version G9600ZHU2ARE6
CSC Version G9600OWO2ARE6
MODEM/CP Version G9600ZCU2ARE6
Region COO — Colombia
If I look up the firmware version for Hong Kong, the CSC version shows G9600TGY2ARE6 but the other two version numbers are the same as what I have. Is this what onijomiko installed?
Do either of you onijomiko or Dark_3g have VoLTE and Wifi calling in your versions?
sentron said:
onijomiko - I have the same question. Does it trip Knox? What is the filename or version number of the firmware you installed? Does it support VoLTE and Wifi calling, for either one or both SIMs?
I bought a HK version phone from a retailer in the US. As soon as I started it, it prompted me an OTA upgrade which I did. Now, it's at baseband version G9600ZCU2ARE6.
If I go to software updates, it says "The latest version updates have already been installed. Current version: G9600ZHU2ARE6/G9600OWO2ARE6/G9600ZCU2ARE6". I'm not sure why it lists three different version numbers here. From a quick google search, samsung-firmware.org shows:
PDA/AP Version G9600ZHU2ARE6
CSC Version G9600OWO2ARE6
MODEM/CP Version G9600ZCU2ARE6
Region COO — Colombia
If I look up the firmware version for Hong Kong, the CSC version shows G9600TGY2ARE6 but the other two version numbers are the same as what I have. Is this what onijomiko installed?
Do either of you onijomiko or Dark_3g have VoLTE and Wifi calling in your versions?
Click to expand...
Click to collapse
Flashing the official firmwares does NOT trip Knox. I've done it a few times over the last day or two. (Read about all my adventures in this thread).
The three model numbers are the PDA version (the actual firmware/OS), the CSC (country-specific stuff; in your case it's the most recent OWO one, which is the international unlocked version for Latin America; I'm not totally sure about how all these work though--trying to figure out how to get the right one set up on my phone), and the CP (modem firmware, same for all Qualcomm S9's, I think), respectively.
Read up on about Samsung's "CSC" system. If you find any particularly good resources, send them my way too! The way they have designed it is kind of confusing to me.
I'm not sure about VoLTE/Wifi calling. Haven't tried it yet on my phone, sorry. Hope it works though! :fingers-crossed:
nelsyv said:
Flashing the official firmwares does NOT trip Knox. I've done it a few times over the last day or two. (Read about all my adventures in this thread).
The three model numbers are the PDA version (the actual firmware/OS), the CSC (country-specific stuff; in your case it's the most recent OWO one, which is the international unlocked version for Latin America; I'm not totally sure about how all these work though--trying to figure out how to get the right one set up on my phone), and the CP (modem firmware, same for all Qualcomm S9's, I think), respectively.
Read up on about Samsung's "CSC" system. If you find any particularly good resources, send them my way too! The way they have designed it is kind of confusing to me.
I'm not sure about VoLTE/Wifi calling. Haven't tried it yet on my phone, sorry. Hope it works though! :fingers-crossed:
Click to expand...
Click to collapse
Thanks a lot for the info. Do you at least see VoLTE and Wifi Calling menu items under 'Settings > Connections > More settings' after flashing the HK ROM? This will help me to decide to flash it. I'm reading about CSC - will report back if I find anything new that you haven't mentioned in the other thread.
sentron said:
Thanks a lot for the info. Do you at least see VoLTE and Wifi Calling menu items under 'Settings > Connections > More settings' after flashing the HK ROM? This will help me to decide to flash it. I'm reading about CSC - will report back if I find anything new that you haven't mentioned in the other thread.
Click to expand...
Click to collapse
Doesn't seem to be the case with the MXO 2ARC6 firmware (Updato). However, my CSC was also listed as TTT still, so going to reflash and see if I can get it to change. Forgot to disable FRP lock last time, oops, hopefully a reflash with US sim in slot, FRP disabled, followed by factory data reset (or two) will do the trick.
Didn't check when I had the HK firmware flashed, it's been a while since I used it.
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EDIT: Couldn't get my CSC to change away from TTT, so I'm not sure which one is taking. Posted in another thread about it, looking for solutions...
just download playstore apk and forget about flashing
just download the playstore apk. it worked for me. sm g9650
Dark_3g said:
The SM-G9600 firmware has the SM-G9600/DS firmware, I installed the SM-G9600 G9600ZHU2ARD3 CHO firmware (Chile) in a dual sim and I have no problems, it works fine, it is the version without blotware for Latin America, it has monthly updates (currently has the security patch of April), has Play Store and all the Samsung apps.
Click to expand...
Click to collapse
I also have the G9600 snapdragon, I'm from Mexico and I'm looking for a different firm from my telcel operator, so you say the one in Chile works, do you know if there is any firmware with android 9 for the G9600 / DS?

S20+ AT&T unable to update software

Hi All,
I'm new in this firmware things. I'm from Singapore and has been using S20 Exynos, but due to the extreme heat, bad battery life,etc. I've decided to import S20+ Snapdragon from AT&T, according to the Service provider SW ver information, it's showing as SAOMC_SM-G986U-OYN_ATT_QQ_0023 (I believe this means the set are unlocked).
With that said, I noticed that the software is outdated and the security patch level is on February 1,2020. when I referring to the AT&T website, It's showing as the latest software is QP1A.190711.020.G986USQU1ATE6 (June update) and mine still on QP1A.190711.020..G986USQU1ATAW (February). My CSC is G986UOYN1ATAW.
My question now is, whenever I tried to hit the software update, it's keep telling me that my software is up to date. Is there's a reason why it's wont detect the update? If it's because I'm in Singapore not US, then there's no choice that I need to flash using the firmware from Sammobile. The problem is which one that I need to download as AT&T carrier is not listed there. There's only T-mobile, Sprint, Unknown, USA. Please help.
https://www.sammobile.com/samsung/galaxy-s20-plus/firmware/#SM-G986U
Try here
https://samfw.com/firmware/SM-G986U
Hi Detection, thank you for the firmware list. but based from the list, how do I know which one that is compatible with my device?
Raigar said:
Hi Detection, thank you for the firmware list. but based from the list, how do I know which one that is compatible with my device?
Click to expand...
Click to collapse
All of them for that model S20, you just need to match the model, any region will work fine
Hi,
Are you sure I can flash Verizon firmware into AT&T device? CSC may to match?
Thks

Flashing generic Samsung firmware to carrier branded Tab S4 (SM-T837T -> SM-T835)

I think this has been asked before in a different way in this section but no real response yet. I did some research in the other Samsung device forums and see that often it is possible to remove branding or switch carriers adjusting device ID and bootloader etc. But no idea how to do it for the Tab S4.
I'm sick of waiting for slow updates through T-Mobile (or any carrier) and would like to fully unlock it's potential with Android 10 rather sooner than later. I bought this device second hand network unlocked.
Any short or long answer to these questions? Can it be done? If so where to start?
Am looking to do so, with the t835 you will have full calling functionality,,,
Cidious said:
I think this has been asked before in a different way in this section but no real response yet. I did some research in the other Samsung device forums and see that often it is possible to remove branding or switch carriers adjusting device ID and bootloader etc. But no idea how to do it for the Tab S4.
I'm sick of waiting for slow updates through T-Mobile (or any carrier) and would like to fully unlock it's potential with Android 10 rather sooner than later. I bought this device second hand network unlocked.
Any short or long answer to these questions? Can it be done? If so where to start?
Click to expand...
Click to collapse
Ramiyounan said:
Am looking to do so, with the t835 you will have full calling functionality,,,
Click to expand...
Click to collapse
not needing the calling function on a tablet. but steady updates are welcome... tired of waiting twice.. first for Samsung with slow update policies then another time for carriers that already got their money and cant care much a anymore...
i'd be looking for T835C since I'm in China now.
Cidious said:
Any short or long answer to these questions?
Click to expand...
Click to collapse
The short answer is no.
I've tried that after I found my T837V can be successfully loaded with T837R4/T837T/... firmware. I thought maybe I could flash stock firmware of other versions. But if you do that with any firmware other than T837*, you will get "secure check fail pit" error. So sadly no.
ivesun said:
The short answer is no.
I've tried that after I found my T837V can be successfully loaded with T837R4/T837T/... firmware. I thought maybe I could flash stock firmware of other versions. But if you do that with any firmware other than T837*, you will get "secure check fail pit" error. So sadly no.
Click to expand...
Click to collapse
Thanks for the response! So it does mean you can freely flash T837 versions which could mean I can just wait for the first version that comes out with android 10. Any first release should work. Right?
Turkey version has it:
https://www.sammobile.com/samsung/galaxy-tab-s4/firmware/#SM-T837
Cidious said:
freely flash T837 versions [/url]
Click to expand...
Click to collapse
T837 is Turkey version and I've tried it. It can't be loaded, maybe it need to be T837x which are all US variants.
As for Android 10 update, I think this will work. I'm waiting for the first one who gives the OneUI 2.1 update. So far the Verizon version(T837V) seems to have the most active firmware updates.
In the USA, SM-T837 ARE carrier tablets.
There are the SM-T837A, V, and T; ATT, Verizon, T-Mobile. TheSe are locked to the Carrier. If you have them unlock it, OTA upgrades are over. If you know how to hack the firmware, you can write over the carrier version. The best way to go is probably custom ROM AND ROOTING. But in other nations, it will probably work to write a different Samsung ROM. The SM-T835 HAS no US version, so you can probably write any tab s4 Factory ROM to it.
The USA HAS so many cellular devices, the rules are strict. And, the carriers sell the devices pretty cheap. So, they want them to stay with their service.
T-mobile update for android 10 finally out just got it

LG G8 Thinq T-mobile update Android 11

im T-mobile G8 user and im frustrated that my phone still works on Android 10,when almost every carrier G8 phones received Android 11.
my question is,will ever my T-mobile G8 receive android 11?
thanks
BloodMist said:
im T-mobile G8 user and im frustrated that my phone still works on Android 10,when almost every carrier G8 phones received Android 11.
my question is,will ever my T-mobile G8 receive android 11?
thanks
Click to expand...
Click to collapse
Every carrier? What? I know of 3 versions of a11 for the G8; 1) the korean Open 2) The Verizon version 3) The Canadian Open.
Hardly 'every carrier'. Updates are coming, slowly, and there is no guarantee any one individual carrier will update their software. That's an LG issue really, they have contracts with carriers with various stipulations that can affect say US Open version, which supposedly can't be updated unless all the other carriers update theirs first. It's complicated.
Call t-mobile, they can tell you when / if an update will be available. And of course, there's always the issue of what you've done to your phone. If you do something like unlock the bootloader, you won't get an update even if there is one.
cheers
AsItLies said:
Every carrier? What? I know of 3 versions of a11 for the G8; 1) the korean Open 2) The Verizon version 3) The Canadian Open.
Hardly 'every carrier'. Updates are coming, slowly, and there is no guarantee any one individual carrier will update their software. That's an LG issue really, they have contracts with carriers with various stipulations that can affect say US Open version, which supposedly can't be updated unless all the other carriers update theirs first. It's complicated.
Call t-mobile, they can tell you when / if an update will be available. And of course, there's always the issue of what you've done to your phone. If you do something like unlock the bootloader, you won't get an update even if there is one.
cheers
Click to expand...
Click to collapse
ATT has also released A11 ? I've seen in some forums that it has.
For what it's worth on reddit T-Mobile users are saying they're getting the update. I can't speak for myself because I'm using a custom rom but yeah...it's out there
therealrayzzor said:
For what it's worth on reddit T-Mobile users are saying they're getting the update. I can't speak for myself because I'm using a custom rom but yeah...it's out there
Click to expand...
Click to collapse
Quite possible, although i don't see it on the lg-firmwares site yet. BUT THE US OPEN IS OUT !!!
mangojain said:
Quite possible, although i don't see it on the lg-firmwares site yet. BUT THE US OPEN IS OUT !!!
Click to expand...
Click to collapse
Actually, that's not the US Open variant, that's the CCA variant. I'm not sure what the difference is, maybe someone can elaborate.
The lg firmware site has it listed as the US Open, but download and compare the hash tags, they don't match. But if you download the CCA version the hash will match.
I've actually never heard of CCA before, it's Competitive Carriers Association, I've heard of BrightPoint, etc, but not cca. Until someone tries it, we're not sure which carriers it's compatible with re volte and vowifi type stuff.
cheers
AsItLies said:
Actually, that's not the US Open variant, that's the CCA variant. I'm not sure what the difference is, maybe someone can elaborate.
The lg firmware site has it listed as the US Open, but download and compare the hash tags, they don't match. But if you download the CCA version the hash will match.
I've actually never heard of CCA before, it's Competitive Carriers Association, I've heard of BrightPoint, etc, but not cca. Until someone tries it, we're not sure which carriers it's compatible with re volte and vowifi type stuff.
cheers
Click to expand...
Click to collapse
My phone is originally BrightPoint. I flashed the US OPEN listed on the lg firmware site, hoping that it wouldn't throw up an NT ID error, but it does :-(
Additionally VoWiFi worked with the Canadian Open but it's not working with this rom. The default email app is also missing in the US version.
The software version shows as V30c-USA-XX, with a security patch of Dec '21.
mangojain said:
My phone is originally BrightPoint. I flashed the US OPEN listed on the lg firmware site, hoping that it wouldn't throw up an NT ID error, but it does :-(
Additionally VoWiFi worked with the Canadian Open but it's not working with this rom. The default email app is also missing in the US version.
The software version shows as V30c-USA-XX, with a security patch of Dec '21.
Click to expand...
Click to collapse
Interesting that it's not working vowifi and nt error code, that should absolutely not be the case if it was the USA version, no way. At least not if you're here in the states.
Where are u using it? Canada? That might be at least part of the reason, have you ever used the a10 US Open there? How did that work?
AsItLies said:
Interesting that it's not working vowifi and nt error code, that should absolutely not be the case if it was the USA version, no way. At least not if you're here in the states.
Where are u using it? Canada? That might be at least part of the reason, have you ever used the a10 US Open there? How did that work?
Click to expand...
Click to collapse
Sorry for not clarifying earlier, I'm using the phone in India
To get volte and vowifi to work, I change the target region & country to ESA and operator to OPEN in cust.prop. And i also edit the carrier_code, telephony and vo_config files to contain details of the networks in India.
VoLTE has worked with many A10 roms, but VoWiFi worked for the first time with the A11 Canadian Open.
PS - Since I need an unrooted phone for Microsoft apps such as Outlook and Teams, I uninstall magisk after making these configuration changes.

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