Question about bootloader lock - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

I have a question on bootloaders. I have a Samsung galaxy s4 and wanted to root and put a custom ROM on it. But I heard you have to unlock the bootloader first. The question is I can't find the thread and second is can it be relocked if I have to send it in for warranty. Thanks for any help.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app

Questions go in Q&A
the answer is here..
http://forum.xda-developers.com/showthread.php?t=2314494

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Questions and help issues go in Q&A and Help section
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Related

Please dont flame...

I have searched and for some reason, I cant find it now but what are the name of the restore roms called, I think one starts with a Q and one with a H or T, I am sorry i have looked again and cant find it... I tried to root motochopper but it didnt work, it also didnt work on a person note 2...
Sextape posted the odin files right here http://forum.xda-developers.com/showthread.php?t=2258827.
Motochopper won't work with the recent MDL update. Above is MDC.
Please read forum rules before posting
Questions and help issues go in Q&A
Thread moved
Thank you for your cooperation
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How to flash a stock Rom onto Galaxy S4?

I want to go back to stock, my question is anyone has good guide for me to flash stock rom back onto my GS4?
My second question would be can I flash T-mobile M919 stock ROM onto my AT&T i337?
Thanks ahead,
sharpxia said:
I want to go back to stock, my question is anyone has good guide for me to flash stock rom back onto my GS4?
My second question would be can I flash T-mobile M919 stock ROM onto my AT&T i337?
Thanks ahead,
Click to expand...
Click to collapse
Goto the development forum and read the "Stock Firmware Odin" thread.
Then, go to each of the AT&T S4 subforums and read the pinned (stickied) threads in each of them. Pay close attention to the information about T-Mobile ROMS. There should be links in there about threads that will help you understand flashing T-Mobile ROMs onto the I337.
Make sure to use the forum's "search" function for any specific topics you want to know about, but can't find through reading alone.
Good luck.
And give Kenny a break and post in the correct forum. Should be in q&a.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
Please read forum rules before posting
Questions and Help issues go in Q&A and Help section
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[Q] Galaxy S4 Root

Hey guys.. So I have never really successfully rooted a phone yet but I really need to root this Sprint Galaxy S4. I know there was an OTA update a few days ago so I am concerned that the instructions I am looking at might brick my phone. Is there anyone that could please link me to a thread that will help me successfully root this S4.
Thanks in advance.
Here ya go
http://forum.xda-developers.com/showthread.php?t=2257101
Sent from my SPH-L720 using xda premium
All the info you need is right here on XDA... search for it.
Sent from my SPH-L720 using Tapatalk 2
Thanks for helping me guys!! I just went ahead and Chainfire's rooting method. It was actually easier than I thought it would be. Now I have one last question for you. The whole reason I rooted my device was because I want to use my "Unlimited Data' that I get through Sprint to tether to my laptop. Which app do you guys suggest to do this?
Thanks again!! You guys/gals are awesome!!
Check in dev section. Crawjs hotspot hack. The old versions 3.0 of PDA net work great for USB tether
Sent from my SPH-L720 using Tapatalk 2
Go here
http://forum.xda-developers.com/showthread.php?p=40860639
That is hacked hot spot mod. Also most all custom ROMS have it built in.
sent from my GS3 runnin Wicked
Thanks guys everything works... I really appreciate everything!!
Please read forum rules before posting
Questions and Help issues go in Q&A and Help section
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Can someone help me root, unclock, and flash a custom ROM?

Hi, I just got an AT&T S4.
It's currently on Android version 4.3
Can I use this tool to root/unlock it?
http://forum.xda-developers.com/showthread.php?t=2297900
My baseband version is I337UCUEMK2
Once I unlock/root it, can I flash any ROM in this forum?
Thanks
smokarz said:
Hi, I just got an AT&T S4.
It's currently on Android version 4.3
Can I use this tool to root/unlock it?
http://forum.xda-developers.com/showthread.php?t=2297900
My baseband version is I337UCUEMK2
Once I unlock/root it, can I flash any ROM in this forum?
Thanks
Click to expand...
Click to collapse
You need to read the threads that are in the General and q & a sections. Start with the pinned threads. The questions you asked show that you have not done any reading and all members are expected to search and read. You will be glad if you do, because if you don't you will more than likely end up with a brick. There are several threads that already have the answers you asked. Good luck.
I read the stickied Q&A, which linked to the thread I posted above. It seems that the tool should be able to root and unlock my MK2 phone. I just wanted to confirm to double check.
smokarz said:
I read the stickied Q&A, which linked to the thread I posted above. It seems that the tool should be able to root and unlock my MK2 phone. I just wanted to confirm to double check.
Click to expand...
Click to collapse
It doesn't. Read all section stickies, there is a big guide in the general section telling you what works.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Hint--SafeStrap
You are going to have limitations on that build bc of the locked down bootloader by Samsung

[Q] sgh-i337 + mf3 + safestrap... need advice

so im not sure if people will tolerate this thread, if its against the rules feel free to report it/ban me /whatever.
i basically have a galaxy s4, sgh-i337, it has safestrap installed and im looking to install a custom rom.
anyway before i go through with it i have a few questions, i read a lot of the safestrap thread, and the mf3 threads, its just overwhelming, a lot of info in that thread and its very unclear/hard to locate anything im actually looking for, im hoping i can get a kind person thats willing to take 10 minutes of their time to answer a few question.
if you're gonna post to link me to a Q&A on safestrap and stuff like that please dont. ive read it. anyway, if you can/want to help just send me a pm on the board here. i could use a bit of advice.
if the thread isnt allowed feel free to ban me or whatever i guess.
1) Questions should be in the Q/A section.
2) I'd help but there's no questions in your post. You can PM or ask here.
Sent from my SGH-I337 running Blackbox 3.0

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