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[Q] Confused and stuck - with AT&T SGH-i337 (MF3)

Hello everyone
I am looking to root and install a custom ROM on my AT&T S4 SGH-i337 (MF3) phone. The whole process is confusing... I see one video saying this and another saying that. I finally found a site to root my phone but the loki recovery step says "loki aboot version does not match device" while using Terminal emulator. I wanted to install the FOXHOUND ROM or something similar. I just wish someone had ONE place to get the correct information for your specific phone.
The link below is where I found out how to root my S4.
honai-android.blogspot.com/2013/08/how-to-root-galaxy-s4-at-sgh-i337-on.html
This is where I downloaded my loki recovery
galaxys4root.com/clockworkmodtwrp-recoveries
Thank you so much for ANY information you can provide!

capth4u said:
Hello everyone
I am looking to root and install a custom ROM on my AT&T S4 SGH-i337 (MF3) phone. The whole process is confusing... I see one video saying this and another saying that. I finally found a site to root my phone but the loki recovery step says "loki aboot version does not match device" while using Terminal emulator. I wanted to install the FOXHOUND ROM or something similar. I just wish someone had ONE place to get the correct information for your specific phone.
The link below is where I found out how to root my S4.
honai-android.blogspot.com/2013/08/ how-to-root-galaxy-s4-at-sgh-i337-on.html
This is where I downloaded my loki recovery
galaxys4root.com/clockworkmodtwrp-recoveries
Thank you so much for ANY information you can provide!
Click to expand...
Click to collapse
If your phone came with MF3 already then I'm afraid you can't flash Custom Roms yet since the bootloader is locked my friend.
Sent From My Galaxy S 4 SAMSUNG-SGH-I337 Running On New Deadly Venom v8.0.0

I would highly recommend you stop everything you're doing and put some time into reading up about MF3. You are likely to bork your phone if you continue. Cheers

capth4u said:
Hello everyone
I am looking to root and install a custom ROM on my AT&T S4 SGH-i337 (MF3) phone. The whole process is confusing... I see one video saying this and another saying that. I finally found a site to root my phone but the loki recovery step says "loki aboot version does not match device" while using Terminal emulator. I wanted to install the FOXHOUND ROM or something similar. I just wish someone had ONE place to get the correct information for your specific phone.
The link below is where I found out how to root my S4.
honai-android.blogspot.com/2013/08/how-to-root-galaxy-s4-at-sgh-i337-on.html
This is where I downloaded my loki recovery
galaxys4root.com/clockworkmodtwrp-recoveries
Thank you so much for ANY information you can provide!
Click to expand...
Click to collapse
As the others mentioned, you should read up more on MF3, and stop trying to do anything to it. MF3 is the firmware version AT&T pushed out after the Loki exploit was released, and with it they patched the exploit.
From this point, you have a couple options:
1. Root using this method, and then use Xposed mods to customize your stock rom.
2. Follow this thread closely, and wait for Hashcode to release a working version.
Oh, and get your information only from this site. Don't go to galaxys4root.

mattdm said:
As the others mentioned, you should read up more on MF3, and stop trying to do anything to it. MF3 is the firmware version AT&T pushed out after the Loki exploit was released, and with it they patched the exploit.
From this point, you have a couple options:
1. Root using this method, and then use Xposed mods to customize your stock rom.
2. Follow this thread closely, and wait for Hashcode to release a working version.
Oh, and get your information only from this site. Don't go to galaxys4root.
Click to expand...
Click to collapse
Thank you... My phone is already rooted so what should I do? Should I just leave it as is and wait for a fix for the recovery?

capth4u said:
Thank you... My phone is already rooted so what should I do? Should I just leave it as is and wait for a fix for the recovery?
Click to expand...
Click to collapse
For now there's nothing you can do till someone unlocks the bootloader you can use the MOD WanamXposed.1.4.2 look it up in playstore make sure if you use it to install
first XposedInstaller_2.1.4 then WanamXposed.1.4.2 that's if your wanting to custimize the stock rom a bit, Read the instructions in playstore for WanamXposed.1.4.2

capth4u said:
Thank you... My phone is already rooted so what should I do? Should I just leave it as is and wait for a fix for the recovery?
Click to expand...
Click to collapse
From what I see is you have 2 options.
Option 1: Keep your phone rooted and don't mess anything up. So you have to be very careful while rooted and not mess with the system files.
Option 2: Check this thread out as someone was able to reflash their galaxy s4 on mf3 at Best Buy' Samsung Kiosk:
http://forum.xda-developers.com/showthread.php?t=2432427&highlight=mf3
mattdm said:
As the others mentioned, you should read up more on MF3, and stop trying to do anything to it. MF3 is the firmware version AT&T pushed out after the Loki exploit was released, and with it they patched the exploit.
From this point, you have a couple options:
1. Root using this method, and then use Xposed mods to customize your stock rom.
2. Follow this thread closely, and wait for Hashcode to release a working version.
Oh, and get your information only from this site. Don't go to galaxys4root.
Click to expand...
Click to collapse
Slightly offtopic but I notice Hascode is working on Verizon's S4. How will Hascode's version be compatible with AT&T? Is it mainly because both verizon & at&t have a similar locked bootloader?

capth4u said:
Thank you... My phone is already rooted so what should I do? Should I just leave it as is and wait for a fix for the recovery?
Click to expand...
Click to collapse
At this point, there's no harm in installing the Xposed Framework, and using Wanam Xposed. There are a lot of cool tweaks in there, and the only requirement is root, which you already have.
haremmon said:
Slightly offtopic but I notice Hascode is working on Verizon's S4. How will Hascode's version be compatible with AT&T? Is it mainly because both verizon & at&t have a similar locked bootloader?
Click to expand...
Click to collapse
In Hashcode's OP, he says that he is developing SafeStrap for "the locked versions of the Samsung Galaxy S4." I assume that means both Verizon and AT&T.

Pick up a s4 today that is on mf3. But i dont think it came shipped with mf3. I duno if this has been asked but can i downgrade it sense it wasnt shipped with mf3?

[Q] MF3 Custom Recovery and Other Questions

1) Are there any developers still attempting on finding a way for a custom recovery on the AT&T Samsung Galaxy S4 MF3 firmware? I know there is a custom recovery alternative, Safestrap, but I am talking about CWM and TWRP.
2) Will the users that soft-bricked their phone still have the problems once the new update for 4.3 comes out? Or will everything be normal again?
I've been searching for the answers for these questions for a bit now and just wanted to ask the community myself. Thanks for the responses in advance :good:

ajstudios4400 said:
1) Are there any developers still attempting on finding a way for a custom recovery on the AT&T Samsung Galaxy S4 MF3 firmware? I know there is a custom recovery alternative, Safestrap, but I am talking about CWM and TWRP.
2) Will the users that soft-bricked their phone still have the problems once the new update for 4.3 comes out? Or will everything be normal again?
I've been searching for the answers for these questions for a bit now and just wanted to ask the community myself. Thanks for the responses in advance :good:
Click to expand...
Click to collapse
There won't be any custom recoveries besides SafeStrap yet because the MF3 firmware update patches the bootloader, to which there is currently no unlock method. In other words, no, until someone unlocks the bootloader.
If you're soft-bricked on an MF3 build then this should help you get back to factory stock: http://forum.xda-developers.com/showthread.php?t=2502003
Not to be a ****, but this info is easily obtainable just by reading the stickies in this and the General forum.

jdisco1 said:
There won't be any custom recoveries besides SafeStrap yet because the MF3 firmware update patches the bootloader, to which there is currently no unlock method. In other words, no, until someone unlocks the bootloader.
If you're soft-bricked on an MF3 build then this should help you get back to factory stock: http://forum.xda-developers.com/showthread.php?t=2502003
Not to be a ****, but this info is easily obtainable just by reading the stickies in this and the General forum.
Click to expand...
Click to collapse
Sorry but I actually searched through probably 75 threads and never found an answer, but it might have been the thing that I was searching for. Thanks for the clarification though. I really appreciate it

You can tap "jdisco1" thanks button as it helps his status
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app

[Request] Update from NB1 to NC1

currently I am outside us i want NC1 Frimware to upgrade with out rooting my device
ٍSorry i but it on wrong place i want to move it to question sections i am sorry for that

The NC1 update is provided by your carrier. You should just be able to do a check for updates on your device and it'll find it. Please know that it's a very recent update and not much is known about how it affects custom ROMs or the rooting process. I updated to it and I'm waiting to see what the experts here say.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app

5erv0 said:
The NC1 update is provided by your carrier. You should just be able to do a check for updates on your device and it'll find it. Please know that it's a very recent update and not much is known about how it affects custom ROMs or the rooting process. I updated to it and I'm waiting to see what the experts here say.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Click to expand...
Click to collapse
My carrier is At&t and they don't allow any update out the US

There was another thread I posted this to but for some reason the OP wanted the thread deleted.
So here is the link to the file I was pushed.
https://mega.co.nz/#!oYp13KoL!iM-Wr_M4ix22OeLw6cne0G1WXH7BjuN9i0Fr995G6lQ
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app

0o0nano0o0 said:
My carrier is At&t and they don't allow any update out the US
Click to expand...
Click to collapse
Currently living in Japan and my i337 took the 4.3 and 4.4 updates just fine prior to rooting.
Sent from my SGH-I337 using XDA Premium 4 mobile app

0o0nano0o0 said:
currently I am outside us i want NC1 Frimware to upgrade with out rooting my device
ٍSorry i but it on wrong place i want to move it to question sections i am sorry for that
Click to expand...
Click to collapse
I honestly do not trust the update and I will explain. I believe the update was pushed to prevent us, the custom ROM users, from downgrading back to mf3. We all know that in mf3 there is an exploit where we can change the kernel inside the memory or something like that. I am rooted on nb1 and am running a bootloader that lets me downgrade back to mf3. It would make sense to me that they are trying to prevent that exploit. I know they probably fix a stability issue or something but I would not flash to nc1 if you don't want custom roms here in the near future.

braindead444 said:
I honestly do not trust the update and I will explain. I believe the update was pushed to prevent us, the custom ROM users, from downgrading back to mf3. We all know that in mf3 there is an exploit where we can change the kernel inside the memory or something like that. I am rooted on nb1 and am running a bootloader that lets me downgrade back to mf3. It would make sense to me that they are trying to prevent that exploit. I know they probably fix a stability issue or something but I would not flash to nc1 if you don't want custom roms here in the near future.
Click to expand...
Click to collapse
We could never downgrade to mf3, only a partial downgrade to MK2 from nb1. And jeboo already said the nc1 bootloader does not increment the q fuse counter so you can still go back to nb1 if you want...

braindead444 said:
I honestly do not trust the update and I will explain. I believe the update was pushed to prevent us, the custom ROM users, from downgrading back to mf3. We all know that in mf3 there is an exploit where we can change the kernel inside the memory or something like that. I am rooted on nb1 and am running a bootloader that lets me downgrade back to mf3. It would make sense to me that they are trying to prevent that exploit. I know they probably fix a stability issue or something but I would not flash to nc1 if you don't want custom roms here in the near future.
Click to expand...
Click to collapse
dmc2359 said:
We could never downgrade to mf3, only a partial downgrade to MK2 from nb1. And jeboo already said the nc1 bootloader does not increment the q fuse counter so you can still go back to nb1 if you want...
Click to expand...
Click to collapse
On top of that, the exploit is at the kernel level. We can still get the MK2 kernel so we can still get the exploit. That's why bypasslkm still works on the downgrade.
Sent from my SGH-I337 running Blackbox 3.0

I was Odining back to stock MK2 and after it was finished I set it up then went outside real quick. Came back and phone said it was updated to this NC1 firmware and this happens when looks like potential progress on the "serious about unlocking bootloader" thread f u ATT.
Sent from my SAMSUNG-SGH-I337 using XDA Free mobile app

Thread moved :good:

raulz28 said:
I was Odining back to stock MK2 and after it was finished I set it up then went outside real quick. Came back and phone said it was updated to this NC1 firmware and this happens when looks like potential progress on the "serious about unlocking bootloader" thread f u ATT.
Sent from my SAMSUNG-SGH-I337 using XDA Free mobile app
Click to expand...
Click to collapse
Don't worry, chances are exploits will function still if one is found, and if Hashcode implements kexec you'll still be fine.

0o0nano0o0 said:
My carrier is At&t and they don't allow any update out the US
Click to expand...
Click to collapse
I think you should be able to connect through a proxy and download the update over wifi that way. Note that the update will only work over WiFi... not mobile data. I hope you get it worked out.

CAG-man said:
There was another thread I posted this to but for some reason the OP wanted the thread deleted.
So here is the link to the file I was pushed.
https://mega.co.nz/#!oYp13KoL!iM-Wr_M4ix22OeLw6cne0G1WXH7BjuN9i0Fr995G6lQ
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Sir,
Download the OTA package I337UCUFNC1 19MB Zip File
This Link Not Working : https://mega.co.nz/#!oYp13KoL!iM-Wr_M4ix22OeLw6cne0G1WXH7BjuN9i0Fr995G6lQ
Unavailable To Download
Plz Give Fresh Link :
Plz Upload Official NC1 Update 19MB ... I Can't Download Plz Upload Another Link I Need Sir
Plz Help Me :crying:

How to update from 4.3 (root) to 4.4.2?

Hi everyone, I'm fairly new to this stuff so please bare with me. I did look around the threads for something similar but was only able to find it for other devices. Anyways, I'm currently at version 4.3 (root), I'd like to know how I can update to the latest software 4.4.2 and keep my phone rooted, or if I have too how I can re-root. Thanks

bump

val7x said:
Hi everyone, I'm fairly new to this stuff so please bare with me. I did look around the threads for something similar but was only able to find it for other devices. Anyways, I'm currently at version 4.3 (root), I'd like to know how I can update to the latest software 4.4.2 and keep my phone rooted, or if I have too how I can re-root. Thanks
Click to expand...
Click to collapse
Easy just take a look at the general section for the thread All in one for MK2 and NB1 it has a list of roms you can flash on post #3 are listed the roms for 4.4.2.
Here is the link to make it faster.
http://forum.xda-developers.com/showthread.php?t=2616221
Sent from my SCH-I545 using XDA Premium 4 mobile app

netomel said:
Easy just take a look at the general section for the thread All in one for MK2 and NB1 it has a list of roms you can flash on post #3 are listed the roms for 4.4.2.
Here is the link to make it faster.
http://forum.xda-developers.com/showthread.php?t=2616221
Sent from my SCH-I545 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Thanks, I managed to get my phone back to stock 4.3 then update it.

[Q] [QP] Can I flash roms?

Hi all, I am fairly new to this whole rooting process for android devices, since i have just recently purchased a galaxy s4 from at&t. Just a few days ago, i've decided to root my device, and after hours of researching i came across geohot's towelroot program and successfully rooted my GS4!. Now i want to install a custom rom, and i would like to know what kind of custom recovery can i use? and am i able to install the cyanogenmod 11? I have downloaded the cyanogenmod installer and it says my device is not supported, but i read on their wiki that i can install it manually but i don't know if my current build is supported by Clockworkmod, or even TWRP for that matter. I havn't flashed any roms by the way and i don't plan on doing so until i am almost certain that i can flash it without bricking.
I am running kitkat 4.4.2 Samsung SGH-I337, my baseband/build number is I337UCUFNC1
Any help would be greatly appreciated thanks!

We have a locked bootloader. So, stock kernel and recovery cannot be replaced. The only recovery we have is safestrap.
http://forum.xda-developers.com/showthread.php?t=2616221

Ahh that sucks thanks for the info. Hopefully they will find a way to unlock it in the future so I can install the cyanogenmod.
Sent from my SAMSUNG-SGH-I337 using XDA Free mobile app

Soulflame22 said:
Ahh that sucks thanks for the info. Hopefully they will find a way to unlock it in the future so I can install the cyanogenmod.
Sent from my SAMSUNG-SGH-I337 using XDA Free mobile app
Click to expand...
Click to collapse
Lots of info in General on what you can do--it is not too bad--:good:

rugmankc said:
Lots of info in General on what you can do--it is not too bad--:good:
Click to expand...
Click to collapse
Yea, i will look in to it. But I am going to do more research before actually flashing a rom, Better safe than sorry haha

Soulflame22 said:
Yea, i will look in to it. But I am going to do more research before actually flashing a rom, Better safe than sorry haha
Click to expand...
Click to collapse
☺
Sent From My Samsung Galaxy S4