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

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henry8668

Senior Member
May 1, 2012
289
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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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MotoDefier

MotoDefier

Senior Member
Aug 4, 2011
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Flower Mound
DocHoliday77 said:
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
Click to expand...
Click to collapse

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.
 
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henry8668

Senior Member
May 1, 2012
289
16
DocHoliday77 said:
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
Click to expand...
Click to collapse

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!
 
H

henry8668

Senior Member
May 1, 2012
289
16
MotoDefier said:
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.
Click to expand...
Click to collapse

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

MotoDefier

Senior Member
Aug 4, 2011
360
158
41
Flower Mound
henry8668 said:
Just read this. Thanks MotoDefier, do you mean that we can't flash custom rom for T999L yet?
Click to expand...
Click to collapse


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
 
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DocHoliday77

DocHoliday77

Senior Member
May 10, 2011
9,403
6,892
HuntsVegas!!!
henry8668 said:
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!
Click to expand...
Click to collapse

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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MotoDefier

MotoDefier

Senior Member
Aug 4, 2011
360
158
41
Flower Mound
that would definitely be a question for Doc to answer while I have learned a lot in this process working with Doc I do not claim to be a developer and I would not want to advise you improperly.
Sent from my SGH-T999L using xda app-developers app
 
H

henry8668

Senior Member
May 1, 2012
289
16
DocHoliday77 said:
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
Click to expand...
Click to collapse

Doc, appreciate if you can tell detail on how this can be done...
1)my cwm version 5.5.0.4, is it necessary to upgrade and how?
2)how to remove the check of version of firmware on cm10.1? which version of cm do you recommend (cm10 stable, cm10.1 rc5 or nightly etc).

thanks!
 
M

metro187

New member
Jun 15, 2013
2
1
sgh-t999L flashing

Unfortunately if you do flash a different Rom. You will lose the use of the camera it has happened to two of these so far I suggest making a back up of your stock rooted rom then play around.


Sent from my SGH-T999L using xda premium[/QUOTE]
 
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MotoDefier

MotoDefier

Senior Member
Aug 4, 2011
360
158
41
Flower Mound
Just had an awesome fathers day with my kids, hope everyone else had a good fathers day

Sent from my SGH-T999L using xda app-developers app
 
H

henry8668

Senior Member
May 1, 2012
289
16
metro187 said:
Unfortunately if you do flash a different Rom. You will lose the use of the camera it has happened to two of these so far I suggest making a back up of your stock rooted rom then play around.


Sent from my SGH-T999L using xda premium
Click to expand...
Click to collapse
[/QUOTE]

right, that's why I am still waiting patient before I flash my s3.
 
M

metro187

New member
Jun 15, 2013
2
1

right, that's why I am still waiting patient before I flash my s3.[/QUOTE]


Yes can't wait this phone is super fast with a different rom. Really just want muti window.
 
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    DocHoliday77
    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
    View
    3
    MotoDefier
    MotoDefier
    DocHoliday77 said:
    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
    Click to expand...
    Click to collapse

    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.
    View
    2
    DocHoliday77
    DocHoliday77
    You're good to use the T999 roms. Just do not flash any modems or firmware not specifically for your model.
    Aldo, many CM/AOSP roms may not flash. There is a way to solve this and as devs update their roms I'm hoping they start adding the T999L to the script to allow it.

    Sent from my SGH-T999L using xda premium
    View
    2
    KennyG123
    KennyG123
    Please read forum rules before posting
    Questions and Help issues go in Q&A and help section
    Thread moved
    Thank you for your cooperation
    Friendly Neighborhood Moderator
    View
    2
    MotoDefier
    MotoDefier
    henry8668 said:
    Just read this. Thanks MotoDefier, do you mean that we can't flash custom rom for T999L yet?
    Click to expand...
    Click to collapse


    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
    View

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