[Q] Bootloader Help - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

OMG!!!! After tons of reading for a way to check if my Bootloader is locked. I have gotten no result except to use safstrap for bootloader stuff or what not. I just want a straight answer to my question/s. A post should also be sticky about this.
My Phone BASEBAND is I337UCUAMF3
1.How do I know if my bootloader is unlocked or locked. When I go into download mode, will it say like bootloader=locked/unlocked or so.
2.If its locked. How do i unlock it. Secure or non secure. Just wanna install CWM/TWRP Recovery with updates straight from there site without a need for modification like safestrap. Wanna install custom roms A.S.A.P

alvin14 said:
OMG!!!! After tons of reading for a way to check if my Bootloader is locked. I have gotten no result except to use safstrap for bootloader stuff or what not. I just want a straight answer to my question/s. A post should also be sticky about this.
My Phone BASEBAND is I337UCUAMF3
1.How do I know if my bootloader is unlocked or locked. When I go into download mode, will it say like bootloader=locked/unlocked or so.
2.If its locked. How do i unlock it. Secure or non secure. Just wanna install CWM/TWRP Recovery with updates straight from there site without a need for modification like safestrap. Wanna install custom roms A.S.A.P
Click to expand...
Click to collapse
Any AT&T I337 that's MF3, MK2, or NB1 has a locked bootloader so don't bother checking. So far there is no exploit, Devs are working on it and when they crack it it will be all over the S4 threads. Safe strap is the only way to run custom roms. Don't try to flash a custom recovery.
Sent from my SAMSUNG-SGH-I337 using Tapatalk

dave5777 said:
Any AT&T I337 that's MF3, MK2, or NB1 has a locked bootloader so don't bother checking. So far there is no exploit, Devs are working on it and when they crack it it will be all over the S4 threads. Safe strap is the only way to run custom roms. Don't try to flash a custom recovery.
Sent from my SAMSUNG-SGH-I337 using Tapatalk
Click to expand...
Click to collapse
Thanks a lot for your speedy reply. So upgrading my Baseband to something else wont change the bootloader locked? I am also guessing every AT&T S4 comes bootloader locked then... In other words, would it be best i get my i9500 back since i don't have to worry about bootloader locked and brick and all that stuff that's currently making my i337 useless.

Yes every AT&T is locked, get your i9500 back.
Sent from my SAMSUNG-SGH-I337 using Tapatalk

dave5777 said:
Yes every AT&T is locked, get your i9500 back.
Sent from my SAMSUNG-SGH-I337 using Tapatalk
Click to expand...
Click to collapse
Thanks a million. Now that was easy and straight forward. Someone should create a sticky thread of this topic with it close so no replies. Damn. Information was so hard to get but many thanks to you. It was a breeze.

alvin14 said:
Thanks a million. Now that was easy and straight forward. Someone should create a sticky thread of this topic with it close so no replies. Damn. Information was so hard to get but many thanks to you. It was a breeze.
Click to expand...
Click to collapse
This information is already in the "stickied" threads.

Related

[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] about rooting and unlocking

so i just picked up an S4 yesterday due to my old phone finally dying on me. I tried the loki method to root it and install TWRP. but when my phone reboots it gives me takes me back t the stock android recovery instead of TWRP.
Grona said:
so i just picked up an S4 yesterday due to my old phone finally dying on me. I tried the loki method to root it and install TWRP. but when my phone reboots it gives me takes me back t the stock android recovery instead of TWRP.
Click to expand...
Click to collapse
What firmware was on the phone?
MDB/MDL or MF3?
If MF3, you have softbricked your phone and may need to go to Best Buy to have it fixed.
Review the Stickies in the General section about MF3 (if you haven't already).
rayburne said:
What firmware was on the phone?
MDB/MDL or MF3?
If MF3, you have softbricked your phone and may need to go to Best Buy to have it fixed.
Review the Stickies in the General section about MF3 (if you haven't already).
Click to expand...
Click to collapse
Looks like I'm mf3 but I'm still able to use my phone normally.
Is there a different unlocking method or am I missing something?
Sent from my SAMSUNG-SGH-I337 using Tapatalk
Grona said:
Looks like I'm mf3 but I'm still able to use my phone normally.
Is there a different unlocking method or am I missing something?
Sent from my SAMSUNG-SGH-I337 using Tapatalk
Click to expand...
Click to collapse
Good to hear you didn't soft brick your phone.
MF3 has a locked bootloader that no one has cracked yet.
Read through MF3 stickies in both the General and Q&A sections for more info.
Long story short, you can Root the phone then use Safestrap as your recovery to install custom roms.
rayburne said:
Good to hear you didn't soft brick your phone.
MF3 has a locked bootloader that no one has cracked yet.
Read through MF3 stickies in both the General and Q&A sections for more info.
Long story short, you can Root the phone then use Safestrap as your recovery to install custom roms.
Click to expand...
Click to collapse
Sounds good. I'll be rooting it soon once my SD card comes in.
Sent from my SAMSUNG-SGH-I337 using Tapatalk
I don't see much action in the dev section that would make me believe its going to be cracked at all.thank Hashcode for what we do have.
sent from a I337 MF3 S4

i337 bootloader

Hello! Can someone tell me if my S4 have a locked bootloader and If I can install custom roms on it? Thanks!
beny2 said:
Hello! Can someone tell me if my S4 have a locked bootloader and If I can install custom roms on it? Thanks!
Click to expand...
Click to collapse
Locked tight.....check ur build number... says MF3 so the only way to load any roms is to root and use safestrap.... plenty of reading here and in development thread on this. I highly suggest you read and read some more before you try it.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
You have a locked bootloader. Do not try any type of recovery or you will be looking for a whole bunch of help later...
good luck sir.

[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

Mf3 4.3 upgrade options

I'm running mf3 unfortunately and am looking to upgrade to 4.3 w/o using safestrap.
I'm rooted and am hoping to retain that feature.
I was wondering if I could upgrade to the latest mk2 att ROM then reroot or if the Knox would prevent me from doing so (or if this would just void my warranty).
samw52000 said:
I'm running mf3 unfortunately and am looking to upgrade to 4.3 w/o using safestrap.
I'm rooted and am hoping to retain that feature.
I was wondering if I could upgrade to the latest mk2 att ROM then reroot or if the Knox would prevent me from doing so (or if this would just void my warranty).
Click to expand...
Click to collapse
Questions go in Q&A, not the dev section.
There are multiple discussion threads in the general section and Q&A.
Moved to Q&A. Please post questions here from now on.
Thank you.
samw52000 said:
I'm running mf3 unfortunately and am looking to upgrade to 4.3 w/o using safestrap.
I'm rooted and am hoping to retain that feature.
I was wondering if I could upgrade to the latest mk2 att ROM then reroot or if the Knox would prevent me from doing so (or if this would just void my warranty).
Click to expand...
Click to collapse
Enable supersu survival mode when you update
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Will this trigger the Knox in mk2? Should I rather stick with mf3 for the time being with maybe more chances to have an unlocked boot loader and get the ability to load custom Roms?
I know my options are pretty limited since being on mf3... Just trying not to screw myself over even further.
samw52000 said:
Will this trigger the Knox in mk2? Should I rather stick with mf3 for the time being with maybe more chances to have an unlocked boot loader and get the ability to load custom Roms?
I know my options are pretty limited since being on mf3... Just trying not to screw myself over even further.
Click to expand...
Click to collapse
Well everyone is going to want to be able to have the boot loader locked on 4.3 on mf3 you got safestrap already so correct me if I'm wrong but some people are past trying to get the mf3 unlocked and are working on the 4.3 now.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
[email protected] said:
Well everyone is going to want to be able to have the boot loader locked on 4.3 on mf3 you got safestrap already so correct me if I'm wrong but some people are past trying to get the mf3 unlocked and are working on the 4.3 now.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Click to expand...
Click to collapse
Hmm that's interesting. I figured that unlocking the bootloader would be easier with an older version and that people that already started it on 4.3 would continue trying rather than starting back from scratch with a new bootloader.
Is there a new threat for the unlock status on mk2?
Follow this thread right here there's people just throwing out ideas to get the boot loader unlocked and people that are willing to try the ways to.
http://forum.xda-developers.com/showthread.php?t=2500826
Sent from my SAMSUNG-SGH-I337 using xda app-developers app

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