How to Update Android on Unlocked AT&T S3 I747 for MetroPCS/TMobile - T-Mobile, Samsung Galaxy SIII

Hey guys so I decide to get the SGH-147 AT&T S3 off of ebay for MetroPCS which enabled me to get a 2 year squaretrade warranty. After looking back at it now, I feel it might have been a bad idea since Metro has a MIR 349.99 deal for their S3 version which would mean easier android update since it would be on Metro servers if I'm not mistaken. Anyway I can't return the ebay phone now unless there is some software or hardware problems within 30 days
So my problem
I am stuck on 4.1.1 on Kies and when I check for update, because the phone is based on AT&T servers, it won't work since I'm on Metro. I wanted to see if there is anyway for me to update my phone to 4.3 which is the current version. Although, I've heard some people have 4.3 problems?
If that's not advisable, could y'all tell me how I could atleast get to Android 4.1.2? Also is there a 4.4 update in the works?
I just got the phone today and would like to be running on something better than 4.1.1
should I flash the AT&T phone to a MetroPCS ROM lol, if any of those are actually available, or if I were to flash, should I flash it to Tmobile?

First off, if its I747, you MUST flash only those Roms. No others. Now, that's indeed a nice phone with LTE Antenna.
You really heard correct. The 4.3 upgrade from the carrier (ATT for you) /Samsung has a lot of issues. I wouldn't do it for any reason. Particularly on T-Mo network, you will have severe signal issues as reported by others. In addition, it now flashes an EFuse onto your phone along with locked bootloader and other scary stuff.I really would not do it.
Lastly, XDA is organized by devices. So even though you are a T-Mo/Metro PCS customer, you will have to post on AT&T SGS3 forum over there.
Speaking of Rom update, Please visit Root66 Thread for this device. You will find Rooted version of your Current Rom. Dunno why but he does not have 4.2.x for you. Please do your research someone else must have posted it.
Now speaking to 4.3, yes there is a way to get 4.3 on your phone without the issues I mentioned above. But first you will have to flash a Custom recovery such as CWM or TWRP with the help of ODIN on your phone. Again do your research well. Once those are in place, take a look at this thread. It will provide 4.3 experience without ANY concerns or issues. Read it carefully and then read some more. Good Luck.

Perseus71 said:
First off, if its I747, you MUST flash only those Roms. No others. Now, that's indeed a nice phone with LTE Antenna.
You really heard correct. The 4.3 upgrade from the carrier (ATT for you) /Samsung has a lot of issues. I wouldn't do it for any reason. Particularly on T-Mo network, you will have severe signal issues as reported by others. In addition, it now flashes an EFuse onto your phone along with locked bootloader and other scary stuff.I really would not do it.
Lastly, XDA is organized by devices. So even though you are a T-Mo/Metro PCS customer, you will have to post on AT&T SGS3 forum over there.
Speaking of Rom update, Please visit Root66 Thread for this device. You will find Rooted version of your Current Rom. Dunno why but he does not have 4.2.x for you. Please do your research someone else must have posted it.
Now speaking to 4.3, yes there is a way to get 4.3 on your phone without the issues I mentioned above. But first you will have to flash a Custom recovery such as CWM or TWRP with the help of ODIN on your phone. Again do your research well. Once those are in place, take a look at this thread. It will provide 4.3 experience without ANY concerns or issues. Read it carefully and then read some more. Good Luck.
Click to expand...
Click to collapse
THANK YOU! Looks like I got a lot of phone work to do over the weekend. SO do you think it was good/should I stick with this AT&T S3 or should I try to sell it for a discount and buy a Metro PCS S3? The ebay buyer won't take my phone back unless there is a hardware or software problem inherent to phone...unless I fake one ?

If it was me, I'd keep the phone. Metro's S3 does not have LTE Antenna. You'd have been stuck at lower speeds.

Perseus71 said:
If it was me, I'd keep the phone. Metro's S3 does not have LTE Antenna. You'd have been stuck at lower speeds.
Click to expand...
Click to collapse
Metro's s3 does have lte
As for the OP you can flash at&t or T-Mobile ROMs it really doesn't matter because they are backwards compatible (I have done it) and you can flash 4.3 ROMs if you don't want to take the official 4.3 update which you can easily do with Odin without the need for kies or ota.. Now, I suggest the first thing you do is flash a custom recovery and then experiment with 4.3 ROMs, if you keep having problems flash 4.1.2 roms.. There are some things you need to do though to get 4.3 up and running so I suggest you read up on it first. Good luck my friend!
Sent from my SGH-M919 using Tapatalk

It was my impression he wanted Stock Touchwiz Roms not AOSP.
Thanks for letting me know Metro has T999L

Perseus71 said:
It was my impression he wanted Stock Touchwiz Roms not AOSP.
Thanks for letting me know Metro has T999L
Click to expand...
Click to collapse
I did mean touchwiz ROMs.. And the metro model is t999n which is pretty much a t999l
Sent from my SGH-M919 using Tapatalk

Related

[Q] SGH-i747M rom on SGH-i747

Hey guys.. I'm new to this forum and to flashing ROMs and all that so I need your help..
I used the search option and didn't find a clear answer to this..
I have bought about a month ago an at&t SGS3 SGH-i747 and I am not very happy with the current OS (android 4.1.1 at&t stock ROM) and I want to upgrade it to 4.1.2. After searching google a bit i found out that there IS an official 4.1.2 android from at&t for my device and wherever I go they say to go to settings, about device, software update and update my phone from there but it says that there is no update.
I have searched for a ROM on sammobile and only found a 4.0.4 ROM for my phone.
However, I found out that there is a 4.1.2 ROM for SGS3 SGH-i747M, and some people say that their ROMs will work on my device and some say they won't.
Can someone tell me, if I install a Rogers (for example) i747M ROM on my device will it work without problem? I don't want to stay with the at&t ROM because it has too many limitations on them.
I prefer not to install custom ROMs because they are all a bit unstable..
Sorry if I have bad English, tried my best..
First off an (att) rom will work with a (rogers) phone. I'm using one right now.
Secondly, if you do manage to install a (rogers) rom on your s3 it will probably be missing apn settings and you'll have rogers apps.
Lastly, through my experience with custom roms, I have found that they are far more stable then stock, if you're looking for a good custom touchwiz rom. Look at hyperdrive
ChaosG said:
Hey guys.. I'm new to this forum and to flashing ROMs and all that so I need your help..
I used the search option and didn't find a clear answer to this..
I have bought about a month ago an at&t SGS3 SGH-i747 and I am not very happy with the current OS (android 4.1.1 at&t stock ROM) and I want to upgrade it to 4.1.2. After searching google a bit i found out that there IS an official 4.1.2 android from at&t for my device and wherever I go they say to go to settings, about device, software update and update my phone from there but it says that there is no update.
I have searched for a ROM on sammobile and only found a 4.0.4 ROM for my phone.
However, I found out that there is a 4.1.2 ROM for SGS3 SGH-i747M, and some people say that their ROMs will work on my device and some say they won't.
Can someone tell me, if I install a Rogers (for example) i747M ROM on my device will it work without problem? I don't want to stay with the at&t ROM because it has too many limitations on them.
I prefer not to install custom ROMs because they are all a bit unstable..
Sorry if I have bad English, tried my best..
Click to expand...
Click to collapse
What you are describing on Sammobile are the stock firmwares that are flashed through a program called Odin. If you tried flashing a Rogers image, you could potentially brick your phone, or as the user above said, there would be a lot of issues since that is not the firmware for AT&T. Are you rooted? If you are, that is what is causing the upgrade issue, since you have to be 100% stock.
dbaler said:
First off an (att) rom will work with a (rogers) phone. I'm using one right now.
Secondly, if you do manage to install a (rogers) rom on your s3 it will probably be missing apn settings and you'll have rogers apps.
Lastly, through my experience with custom roms, I have found that they are far more stable then stock, if you're looking for a good custom touchwiz rom. Look at hyperdrive
Click to expand...
Click to collapse
Thanks for your answer. Well, if you say that custom roms are more stable than stock, I won't argue. Just some friends told me otherwise.
I'll try to find a good rom that suits me.
Btw, I don't care if ill have Rogers apps or AT&T apps, they are both useless to me. I just don't want to brick my phone.
drx895 said:
What you are describing on Sammobile are the stock firmwares that are flashed through a program called Odin. If you tried flashing a Rogers image, you could potentially brick your phone, or as the user above said, there would be a lot of issues since that is not the firmware for AT&T. Are you rooted? If you are, that is what is causing the upgrade issue, since you have to be 100% stock.
Click to expand...
Click to collapse
I didn't flash a Rogers rom because I couldn't find a clear answer that says that it will not brick my phone. I just seen some people ask about it and didn't get an answer either. I have tried to unroot and flash a stock rom from "samsung-updates.com", a 4.1.1. Its the same as the one that I already had. Still, no update available.
ChaosG said:
Thanks for your answer. Well, if you say that custom roms are more stable than stock, I won't argue. Just some friends told me otherwise.
I'll try to find a good rom that suits me.
Btw, I don't care if ill have Rogers apps or AT&T apps, they are both useless to me. I just don't want to brick my phone.
I didn't flash a Rogers rom because I couldn't find a clear answer that says that it will not brick my phone. I just seen some people ask about it and didn't get an answer either. I have tried to unroot and flash a stock rom from "samsung-updates.com", a 4.1.1. Its the same as the one that I already had. Still, no update available.
Click to expand...
Click to collapse
If you flash a ODIN package for rogers on an AT&T phone you may brick it due to bootloader and modem
if you flash a custom zip based on an AT&T rom from XDA you won't brick since they don't contain bootloader or a modem
hope this helps

What modem should I flash to use a T-Mobile S4 (m919) on At&t network?

So I have am using already a T-Mobile S4 (m919) on At&t's network... I have already rooted it, flashed Hyperdrive, entered the correct APN, and it works basically well...
Here is what I am wondering, my signal strength seems to be not the best and it makes me wonder, is there a modem, baseband I can flash on the T-mobile version of the S4 that could possibly help it work better on the At&t network... and do so with out making my S4 a paper weight?
abovenbeyond said:
So I have am using already a T-Mobile S4 (m919) on At&t's network... I have already rooted it, flashed Hyperdrive, entered the correct APN, and it works basically well...
Here is what I am wondering, my signal strength seems to be not the best and it makes me wonder, is there a modem, baseband I can flash on the T-mobile version of the S4 that could possibly help it work better on the At&t network... and do so with out making my S4 a paper weight?
Click to expand...
Click to collapse
Any M919 modem. MKL is the newest.
abovenbeyond said:
So I have am using already a T-Mobile S4 (m919) on At&t's network... I have already rooted it, flashed Hyperdrive, entered the correct APN, and it works basically well...
Here is what I am wondering, my signal strength seems to be not the best and it makes me wonder, is there a modem, baseband I can flash on the T-mobile version of the S4 that could possibly help it work better on the At&t network... and do so with out making my S4 a paper weight?
Click to expand...
Click to collapse
Glad someone asked that. I looked for a few hours last night and came up empty(been working an off shift so I might have missed it). I am on 4.2.2 MDL and signal is definitely much weaker than my Active on 4.3 . Has anyone compared modems to see which are better?
pahick said:
Glad someone asked that. I looked for a few hours last night and came up empty(been working an off shift so I might have missed it). I am on 4.2.2 MDL and signal is definitely much weaker than my Active on 4.3 . Has anyone compared modems to see which are better?
Click to expand...
Click to collapse
I can provide anecdotal evidence but nothing real...
MK2 is better.
Also, as for which modem to flash; T-Mobile's MK2 would be the one to flash. I've read you can flash other carrier's modems as long as they are the same version, i.e. AT&T MK2 or T-Mobile MK2... but that just doesn't make sense to me and I wouldn't recommend it. The modem you flash is independent of who your carrier is; you go by what brand of phone you have. If you have the M919 then you flash T-Mobile firmwares/modems/etc regardless of which carrier your bill comes from.
abovenbeyond said:
Here is what I am wondering, my signal strength seems to be not the best and it makes me wonder, is there a modem, baseband I can flash on the T-mobile version of the S4 that could possibly help it work better on the At&t network... and do so with out making my S4 a paper weight?
Click to expand...
Click to collapse
I've encountered the same thing with my M919. Switching between Android 4.3 and 4.4.2 modem.bin files made no difference.
I did notice that when I changed my network preference from 3G/2G to 2G-only, I gained about 10 dBa when the handset fell back to GSM-EDGE mode. It made a big difference. I verified that AT&T only uses band II (1900MHz) for GSM and UMTS in my county, so it wasn't because I switched to band V (850MHz) which seems to have better range. What I find annoying is that the handset isn't dropping down to 2G automatically when reception is poor. It'll stick with 3G even when the signal strength is as low as -107 dBa.
No LTE at the moment since my AT&T MNVO doesn't support it.
I'm thinking of buying an M919, carrier unlocked, to use on ATT, so that I can get a proper recovery and have full access to custom ROMs without the safestrap limitations.
Is it safe to say that:
1. If I buy a T-Mobile S4, and it comes carrier unlocked, it will work fine on the ATT network, including 4G / LTE? Lots of data points suggest this but I haven't heard it explicitly stated...
2. Though I could use the phone as identified as an M919, I really want Play Store to see it as an I337 (ATT version), so I can install some ATT specific apps. Is there any problem flashing a build.prop (available in the ATT threads) with the ATT identifiers & APN info, to enable this?
3. Are there any gotchas I should be aware of? Basically, I just want a phone with unlocked bootloader / kernel so I can play. Not too worried about Knox/warranty.
Any insights would be appreciated!
Marc
Frankenscript said:
I'm thinking of buying an M919, carrier unlocked, to use on ATT, so that I can get a proper recovery and have full access to custom ROMs without the safestrap limitations.
Is it safe to say that:
1. If I buy a T-Mobile S4, and it comes carrier unlocked, it will work fine on the ATT network, including 4G / LTE? Lots of data points suggest this but I haven't heard it explicitly stated...
2. Though I could use the phone as identified as an M919, I really want Play Store to see it as an I337 (ATT version), so I can install some ATT specific apps. Is there any problem flashing a build.prop (available in the ATT threads) with the ATT identifiers & APN info, to enable this?
3. Are there any gotchas I should be aware of? Basically, I just want a phone with unlocked bootloader / kernel so I can play. Not too worried about Knox/warranty.
Any insights would be appreciated!
Marc
Click to expand...
Click to collapse
Will the T-Mobile S4 work on the AT&T network; yes it will work if it's carrier unlocked. I purchased my M919 full price out of contract while I was still on AT&T service. Once I carrier-unlocked I was able to pick up AT&T's 4G/LTE and was even able to make use of the AT&T 3G Microcell device which transmits a 3G cell signal and runs over your WiFi. I now have Net10 Wireless with an AT&T SIM card and I still get 4G/LTE when it's around.
Your second question: I do believe that's all that would be required. I'm not 100% sure if just modifying the build.prop would allow you to use the AT&T-specific apps in the Play Store. I never used them to begin with so I never explored whether or not I could make them work on the T-Mobile firmware. Now, I know this involves more than just a build.prop edit, but a 100% sure way to get AT&T Apps working would be to flash a custom ROM based on AT&T firmware. Being that you have a T-Mobile device and are using it on another carrier's network, always remember; when it comes to Odin especially, flash things meant for the T-Mobile M919 ONLY. It doesn't matter that you use AT&T service, your device needs T-Mobile Modems/stock firmwares/etc.
As far as gotchas... not that I can think of. The M919 has an unlocked bootloader and even with KNOX is very easy to root and use custom ROMS on. If you're not concerned with KNOX then you really don't have to take into consideration any special rooting method, no safestrap junk, etc. Without root, just flash a recovery in Odin and flash away.
I know this thread is a bit old, but the situation is very relevant to me. I just won a S4 M919 on eBay which will be delivered tomorrow. T-mobile has agreed to send me an unlock code. My motivation is to install TWRP recovery which I can't do on the i337. I intend to activate it on Cricket (AT&T network). Is it still true that I should stick with firmware, ROMs, and modems designed for the M919? I don't care about AT&T or T-mobile apps so that's not an issue. Basically, I want the best data rates available. Any gotchas that I need to be aware of?
flroots said:
I know this thread is a bit old, but the situation is very relevant to me. I just won a S4 M919 on eBay which will be delivered tomorrow. T-mobile has agreed to send me an unlock code. My motivation is to install TWRP recovery which I can't do on the i337. I intend to activate it on Cricket (AT&T network). Is it still true that I should stick with firmware, ROMs, and modems designed for the M919? I don't care about AT&T or T-mobile apps so that's not an issue. Basically, I want the best data rates available. Any gotchas that I need to be aware of?
Click to expand...
Click to collapse
@flroots
Basically, you're best off bringing the phone to current M919 stock through ODIN. Is that NK2 or has there been a more recent version? I've lost track. But do the entire phone, and in fact as you will see from some threads it is often necessary to flash it twice in succession to get everything to stick. This will bring you to the latest modem. Remember, the modem is two parts: the modem.bin (also known as the gsm modem, which isn't specifically dependent on the bootloader version you have) and the LTE modem (non-hlos.bin, which is dependent on the firmware version, and bad things happen if you mismatch).
Since your phone is out of warranty, there's no downside to going to the latest, even if the phone arrives with 4.2.2 firmware (pre-knox). Tripping the knox bit is only a problem if you would be sending the phone in for warranty service.
I've got the M919 and am using it on ATT, with no problems. I've got the pre-knox firmware (MDL), and will be updating to the latest next time I flash.
Here is an old, but still relevant, thread about my experiences with M919 on ATT.
http://forum.xda-developers.com/galaxy-s4-tmobile/help/using-t-mobile-m919-att-network-t2880349
You will have to configure your APN to match your Cricket service. Sorry, can't help you with those settings but I'm sure they are on XDA somewhere!
Marc
Frankenscript said:
@flroots
Basically, you're best off bringing the phone to current M919 stock through ODIN. Is that NK2 or has there been a more recent version? I've lost track. But do the entire phone, and in fact as you will see from some threads it is often necessary to flash it twice in succession to get everything to stick. This will bring you to the latest modem. Remember, the modem is two parts: the modem.bin (also known as the gsm modem, which isn't specifically dependent on the bootloader version you have) and the LTE modem (non-hlos.bin, which is dependent on the firmware version, and bad things happen if you mismatch).
Since your phone is out of warranty, there's no downside to going to the latest, even if the phone arrives with 4.2.2 firmware (pre-knox). Tripping the knox bit is only a problem if you would be sending the phone in for warranty service.
I've got the M919 and am using it on ATT, with no problems. I've got the pre-knox firmware (MDL), and will be updating to the latest next time I flash.
Here is an old, but still relevant, thread about my experiences with M919 on ATT.
http://forum.xda-developers.com/galaxy-s4-tmobile/help/using-t-mobile-m919-att-network-t2880349
You will have to configure your APN to match your Cricket service. Sorry, can't help you with those settings but I'm sure they are on XDA somewhere!
Marc
Click to expand...
Click to collapse
Thanks a lot for that update. As I understand it, the current firmware is NB4 according to this site:
http://galaxys4root.com/galaxy-s4-stock-firmware/
Not sure what your reference to NK2 is? That doesn't seem to correspond to either 4.2.2 nor 4.4.2? I'm currently on Cricket with a S4 I337 and hope to move the SIM over as soon as my M919 arrives tomorrow.
I believe after NB4 there was NH7 then NK2. Check the firmware thread in the general section for details / links.
Sent from my SGH-M919 using Tapatalk
@flroots
How did this work out for you? I want to do the same thing you said you where going to do.
flroots said:
I know this thread is a bit old, but the situation is very relevant to me. I just won a S4 M919 on eBay which will be delivered tomorrow. T-mobile has agreed to send me an unlock code. My motivation is to install TWRP recovery which I can't do on the i337. I intend to activate it on Cricket (AT&T network). Is it still true that I should stick with firmware, ROMs, and modems designed for the M919? I don't care about AT&T or T-mobile apps so that's not an issue. Basically, I want the best data rates available. Any gotchas that I need to be aware of?
Click to expand...
Click to collapse
Robert417919 said:
@flroots
How did this work out for you? I want to do the same thing you said you where going to do.
Click to expand...
Click to collapse
Robert417919,
I use my SGH-M919 on an AT&T network also. I use the OK3 modem firmware and it seems to work great here. Although I am in Alaska, so top speeds of LTE are only about 6 Mbps where I live. Usually I can only get about 3 Mbps due to the lack of coverage around here.
You can either update to the latest OH3 firmware on your phone, or if you have an old model, with the MDL bootloader, you could also use this guide by lordodin912:
http://forum.xda-developers.com/galaxy-s4-tmobile/general/foh3-modem-bin-mdl-bootloader-t3191094
Also, if you are looking for good roms, you can always check out SlimLP:
http://forum.xda-developers.com/galaxy-s4-tmobile/development/rom-slimlp-jfltetmo-t3377731
Or Resurrection Remix:
http://forum.xda-developers.com/gal...ent/rom-resurrection-lollipop-v5-4-5-t3115155
Hope that helps!
Thanks, this does help out, and another quick question. Are you able to use wifi calling?
AlaskaLinuxUser said:
Robert417919,
I use my SGH-M919 on an AT&T network also. I use the OK3 modem firmware and it seems to work great here. Although I am in Alaska, so top speeds of LTE are only about 6 Mbps where I live. Usually I can only get about 3 Mbps due to the lack of coverage around here.
You can either update to the latest OH3 firmware on your phone, or if you have an old model, with the MDL bootloader, you could also use this guide by lordodin912:
http://forum.xda-developers.com/galaxy-s4-tmobile/general/foh3-modem-bin-mdl-bootloader-t3191094
Also, if you are looking for good roms, you can always check out SlimLP:
http://forum.xda-developers.com/galaxy-s4-tmobile/development/rom-slimlp-jfltetmo-t3377731
Or Resurrection Remix:
http://forum.xda-developers.com/gal...ent/rom-resurrection-lollipop-v5-4-5-t3115155
Hope that helps!
Click to expand...
Click to collapse
Robert417919 said:
Thanks, this does help out, and another quick question. Are you able to use wifi calling?
Click to expand...
Click to collapse
Glad to help, and no, unfortunately not.
-AlaskaLinuxUser
https://thealaskalinuxuser.wordpress.com

[Q] Where is this 4.4.2 modem people keep referring to?

I flashed the Root66 KitKat update for Wind Mobile using Odin. As I was looking through the settings I noticed there were no APNs set. I googled for Wind's APN configuration and manually entered them (before I even tested data, perhaps it was working regardless).
So far I've seen a number of mentions warning against flashing the 4.4.2 modem before flashing the 4.4.2 firmware update. However, I've yet to see the modem posted anywhere. The most recent one in the baseband thread was for 4.3. What am I missing?
Normally 4.3 modem will be working for 4.4 too but you should not have older modem then 4.3
Sent from my SGH-T999 using Tapatalk
It hasn't been posted for that same reason, so nobody will attempt to flash.. Anyone can make a flashable zip for the modem, that it why we are letting people know what happens when you try to flash on older firmware
Sent from my SGH-M919 using Tapatalk
Ill still post the modems in the near future, but wanted to first get that warning out so as many people as possible already know about it when I do. Flashing the 4 4.2 modem on 4.3 firmware has bricked quite a few devices in the Spirit and AT&T forums already. And despite all our efforts, we have yet to get the debrick method to work
That said, if you have a need for the modem, ill get it for you as soon as I can.
And just fyi, after updating to 4.4.2, you cannot use any older modems. They won't brick the device, but you won't have a working radio/signal.
DocHoliday77 said:
Ill still post the modems in the near future, but wanted to first get that warning out so as many people as possible already know about it when I do. Flashing the 4 4.2 modem on 4.3 firmware has bricked quite a few devices in the Spirit and AT&T forums already. And despite all our efforts, we have yet to get the debrick method to work
That said, if you have a need for the modem, ill get it for you as soon as I can.
And just fyi, after updating to 4.4.2, you cannot use any older modems. They won't brick the device, but you won't have a working radio/signal.
Click to expand...
Click to collapse
Heya Doc
I have a Gs3 T999v from Videotron and have been running the 4.3 modem since early this year. I'm currently running CM11 4.4.4.
I was wondering if it would be possible to provide a link for their 4.4.2 modem so I can give it a shot. I know I won't be able to come back from it, but reception with the 4.3 has not been that hot and I've been meaning to get those kinks out. Also since the phone is nearing the end of it's life, at least to me, I don't mind the extra risk. Even if it should technically be entirely safe to do so since i'm running 4.4.2+
Cheers!

What's the deal with lte radio?

hey guys I'm on 4.2.2 still. Rooted it and deleted the galaxy walking app, so haven't been able to do legit update, and with working alot just haven't fooled with it. Anyway I'm off and have time, want to come up to kitkat, am I not able to update my LTE radio? I'm reading and searching before turning to asking, but all I'm seeing is if I update it my sound will act up. Am I stuck on an old radio now? Was hoping for improved signal, can I go stock, update and reroot and everything will be current?? Anyway any help is appreciated.
If you don't care about tripping Knox counter, just flash the NB4 firmware with Odin and you'll be good.. I recommend fenny's fixed firmware
Edit: well it will only trip if you flash custom recovery or kernel, other than that there is root method without tripping if you plan to stay stock
serio22 said:
If you don't care about tripping Knox counter, just flash the NB4 firmware with Odin and you'll be good.. I recommend fenny's fixed firmware
Edit: well it will only trip if you flash custom recovery or kernel, other than that there is root method without tripping if you plan to stay stock
Click to expand...
Click to collapse
im not staying stock, just want the updated lte radio on it. thinking of going lg g3 since sammy become such a pain in the ass. I've flashed stock and am updating official kitkat now, i guess that will update my modem and lte radio also, i'll reroot after that and throw something on there
If you are updating officially there shouldn't be a reason to manually update anything
i was just trying to save time, my home internet is crappy ( 100.00 bucks a month for 5mb, more like 1-3 mb) and you have to use wireless to update. I'm on kit now, abut to root and find a rom
sleekgreek said:
i was just trying to save time, my home internet is crappy ( 100.00 bucks a month for 5mb, more like 1-3 mb) and you have to use wireless to update. I'm on kit now, abut to root and find a rom
Click to expand...
Click to collapse
There is a thread in general specifically for updating radios for those of us still on MDL. If you were to have followed that guide you would have updated your radio without any sound problems, would still be KNOX free, and would still be able to have the option to run 4.2.2, 4.3, and 4.4.x ROMs flawlessly.
lordcheeto03 said:
There is a thread in general specifically for updating radios for those of us still on MDL. If you were to have followed that guide you would have updated your radio without any sound problems, would still be KNOX free, and would still be able to have the option to run 4.2.2, 4.3, and 4.4.x ROMs flawlessly.
Click to expand...
Click to collapse
i've been searching here for years on everything. Unless you stay in the loop everything is just cluttered. Even rooting, I'm looking and reading threads from pre 4.4.2 where chainfire link was last updated in 2013, it sucks searching here. And I thank you guys for the help. I'm rooted now and didnt want to ota, but everything I found to read said I could update the modem but not the LTE radio without sound issues... I must of missed something. LOL, I had a ton of tabs open from searches before posting. Been rooting since iden on nextels in early 2000's so it's just basic info I need thats hard to find here , tons of threads I guess. Anyway lets a get rom on this thing..
sleekgreek said:
Unless you stay in the loop everything is just cluttered. Even rooting
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Click to collapse
I totally agree and understand. I've pretty much been tinkering around the S4 forums since a few weeks after release (before I even purchased my S4) and have followed pretty well everything from square one so it's pretty easy to remember THAT I've read something but not remember WHERE I read it... Looking back through the Q&A and General threads, I couldn't imagine just now getting into the S4.
lordcheeto03 said:
There is a thread in general specifically for updating radios for those of us still on MDL. If you were to have followed that guide you would have updated your radio without any sound problems, would still be KNOX free, and would still be able to have the option to run 4.2.2, 4.3, and 4.4.x ROMs flawlessly.
Click to expand...
Click to collapse
I would be interested in that thread... I have updated my GSM modem (modem.bin) to NB4 but as I understood it, the LTE part is tied to the bootloader. So, those of us with MDL have to retain the MDL LTE radio. If it is possible to update the LTE radio, without the sound/wifi problems, and retain MDL bootloader and thus no Knox, I'd love a link!
Frankenscript said:
I would be interested in that thread... I have updated my GSM modem (modem.bin) to NB4 but as I understood it, the LTE part is tied to the bootloader. So, those of us with MDL have to retain the MDL LTE radio. If it is possible to update the LTE radio, without the sound/wifi problems, and retain MDL bootloader and thus no Knox, I'd love a link!
Click to expand...
Click to collapse
Ahh, you got me on that one. It didn't even register to me that the LTE modem is unaffected by that method. My apologies.

SGH-M919N Domestic SIM Unlock?

I've been seeing many other threads being created about this sort of topic and none of them really came to be useful in my sort of situation. I'm in a need of seeking help from anyone that could help me domestically (not internationally) perm. unlock my S4 without anything coming out of my pocket. The thing is, the S4 is locked towards MetroPCS and i'm unsure if T-Mobile will let me since both company's are considered to be one, but the phone is originally from Metro and not them, so I doubt they'll do it, I also doubt MetroPCS will let me either since I haven't had service directly with them for over a year, and this phone is extremely old. Any advice will be appreciated.
Which ROM is on the phone?
The only free method that may work would be to replace the phone's current modem to the 4.2.2 modem, root, run regionlockaway, flash back to the phone's current modem.
audit13 said:
Which ROM is on the phone?
The only free method that may work would be to replace the phone's current modem to the 4.2.2 modem, root, run regionlockaway, flash back to the phone's current modem.
Click to expand...
Click to collapse
That seems useful actually, will try as soon as possible. Also i'm on the stock 4.4.4 ROM, so things should run more better. Thanks for the help
Edit: I haven't had any luck to grab the 4.2.2 modem and fw from any other providers. Do you know anywhere I could get the modem off of? Thanks

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