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[Q] how to root tmobile galaxy s3 SGH-T999L?

OP henry8668

8th June 2013, 07:22 PM   |  #1  
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I just got tmobile galaxy s III SGH-T999L and would like to root it and install cm10

by searching the related forum and posts I didn't find a post that can clearly guide to root this model of the phone. could anyone help me out?

thank you.
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8th June 2013, 09:21 PM   |  #2  
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I'm not sure if this works for the LTE version, but I used this http://galaxys3root.com/galaxy-s3-ro...oofnoob-proof/.
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8th June 2013, 11:47 PM   |  #3  
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Just flash cwm or twrp using odin, then flash the supersu zip.
Everything you need is in my sig.

Sent from my SGH-T999L using xda premium

---------- Post added at 04:47 PM ---------- Previous post was at 04:46 PM ----------

Also, the motochopper exploit will work.

Sent from my SGH-T999L using xda premium
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9th June 2013, 04:39 AM   |  #4  
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Quote:
Originally Posted by DocHoliday77

Just flash cwm or twrp using odin, then flash the supersu zip.
Everything you need is in my sig.

Sent from my SGH-T999L using xda premium

---------- Post added at 04:47 PM ---------- Previous post was at 04:46 PM ----------

Also, the motochopper exploit will work.

Sent from my SGH-T999L using xda premium

Use motochopper, it only takes around two to three minutes total, and it leaves you with stock recovery in case you need to go back for waranty purposes, motochopper also does not trip the flash counter, or change the system binary to custom. besides that with the T999L you dont need a custom recovery as the stock recovery has adb sideload support( see Edit at the Bottom For further citation), you just wont be flashing any custom roms until we get some odin roms built, personally I wouldn't flash any custom rom until DocHoliday77 has a true stock odin built, and that won't be until we can get our hands on the stock firmware, which won't happen until the T999L gets an update or at least until sammy releases the firmware, which is pretty much the same time.
EDIT:
after modding a few system files, and getting stuck in a boot loop @ the T-Mobile splash screen, i have found that in fact you don't need a custom recovery for anything but flashing custom Roms/Kernels, the stock recovery not only supports the new Adb Sideload function, the dept of adb support seems to be full adb support all the way down to shell support as i was able to use the following to delete the modded system files and get my device back and running from the recovery menu (no options selected)

adb devices
adb shell
su
rm /system/framework/multiwindow.jar
rm /system/framework/multiwindow.odex

i was allowed to use the rm function of the shell to delete the two files i added to the system/framework folder.
Last edited by MotoDefier; 25th June 2013 at 03:45 AM. Reason: Additional Citation on the depth of ADB support
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9th June 2013, 05:09 AM   |  #5  
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Quote:
Originally Posted by DocHoliday77

Just flash cwm or twrp using odin, then flash the supersu zip.
Everything you need is in my sig.

Sent from my SGH-T999L using xda premium

---------- Post added at 04:47 PM ---------- Previous post was at 04:46 PM ----------

Also, the motochopper exploit will work.

Sent from my SGH-T999L using xda premium

Thanks Doc.

I flashed cwm 5.5.0.4 and flashed supersu.

then I tried to flash cm10.1 rc5 but got following error msg:
assert failed: getprop("ro.product.device") == "d2tmo" ||
getprop.("ro.build.product") == "d2tmo"
E:Error in /sdcard/cm-10.1.0-RC5-d2tmo.zip
Status 7
Installation aborted.

I tried cm-10.0.0-d2tmo and cm-10.1-20130608-NIGHTLY-d2tmo as well, all failed with same error.

did I do something wrong? appreciate if anyone can give me some guide or links to install cm10.1 in my s3.

thanks!
9th June 2013, 05:15 AM   |  #6  
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Quote:
Originally Posted by MotoDefier

Use motochopper, it only takes around two to three minutes total, and it leaves you with stock recovery in case you need to go back for waranty purposes, besides that with the T999L you dont need a custom recovery as the stock recovery has adb sideload support, you just wont be flashing any custom roms until we get some odin roms built, personally I wouldn't flash any custom rom until DocHoliday77 has a true stock odin built, and that won't be until we can get our hands on the stock firmware, which won't happen until the T999L gets an update or at least until sammy releases the firmware, which is pretty much the same time.

Just read this. Thanks MotoDefier, do you mean that we can't flash custom rom for T999L yet?
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9th June 2013, 05:22 AM   |  #7  
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You can. You just can't go back....yet.

Sent from my SGH-T999L using xda premium
9th June 2013, 05:24 AM   |  #8  
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Quote:
Originally Posted by DocHoliday77

You can. You just can't go back....yet.

Sent from my SGH-T999L using xda premium

I don't mind that can't go back now. could you check my above post to see what might be wrong in my process of install cm10.1?

thanks!
9th June 2013, 05:26 AM   |  #9  
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Quote:
Originally Posted by henry8668

Just read this. Thanks MotoDefier, do you mean that we can't flash custom rom for T999L yet?


Yes/no if you flash a custom rom you will have to flash a custom recovery to do so, which means you will lose your stock recovery, Docholiday77 is currently working on making all the data we pulled from my T999L compatible with odin, which once its done you won't have to worry, but if you flash custom recovery, custom rom at this stage, you will be essentially locked out of your warranty until we have everything ready for odin, also we just pulled all the info for rom development just about a week ago so I doubt anyone has really had the time, or resources to build a custom rom specifically for the T999L which means you will be flashing at the risk of paid Samsung factory repair if it soft bricks, I'm not sure but I think doc has enough on a rom now to help you out if you brick with cwm or twrp, and with the stock adb sideload support you might be able to push the stock recovery we pulled but you should definitely ask doc for specifics as to what he has to help you if something doesn't go right with a custom rom.
Sent from my SGH-T999L using xda app-developers app
Actually let me clarify I seriously doubt anyone besides doc has has been able to make a custom rom specifically for the T999L
Last edited by MotoDefier; 9th June 2013 at 05:30 AM.
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9th June 2013, 06:12 AM   |  #10  
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Quote:
Originally Posted by henry8668

I don't mind that can't go back now. could you check my above post to see what might be wrong in my process of install cm10.1?

thanks!

CM added 'asserts' to the updater script that checks what version of firmware you are running. Older firmware was becoming buggy forcing him to do this. Since the t999l is so new it just hasn't been added to be allowed.
You can edit it so it either has your build in the script, or remove the checks all together.
I can tell you how in a bit if no one else does.

Sent from my SGH-T999L using xda premium

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