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[ROOT][TWRP]Samsung Galaxy Tab A SM-T550/T555/P550/P555/T350/P350/T355/P355

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retiredtab

Senior Member
Nov 16, 2017
828
401
I strongly recommend TWRP 3.3.1 as it's what I use and test with.
Here's the reason I recommend 3.3.1. If you search through this threead, you wil see my posts about finding bugs in older versions. While making the 17.1, I probably booted into TWRP 3.3.1 more than 100+ times and flashed over 100+ failed builds before finally getting 17.1 to work.
 

bluenote73

Senior Member
Jan 12, 2009
697
156
Samsung Galaxy S20 FE
Here's the problem in a nutshell.

The TWRP 3.3.1 that is required to install the 17.1 custom rom is supplied in .img format. Earlier versions of TWRP can be used to install the 17.1 custom roms by removing the assert statements in the zip file. However, the assert statements are there to protect the user from accidentally flashing the rom on the wrong tablet.

I strongly recommend TWRP 3.3.1 as it's what I use and test with.

You have the following options to get the TWRP 3.3.1 .img installed.

1) Odin requires it in .tar or .tar.md5 format. There is a xda utility at


that converts img to tar.md5 format for odin flashing. I'm not a Windows user so I haven't tested this utility, but the magic command from the batch file is

Code:
\BIN\tar --create --format=gnu -b20 --quoting-style=escape --owner=0 --group=0 --totals --mode=644  -f %%~nG.tar %%~nxG

2) Download heimdall for Windows and use that to flash TWRP.


The above is open source. Heimdall can flash it using just the img format.

I run linux so I can retrieve it using

Code:
sudo apt install heimdall-flash

I have been using heimdall on linux for years to flash now without a problem.

3) use TWRP app as suggested by lpedia.


I haven't used the above so I have don't know how well it works or if you need root access.

PS. I've read that some versions of odin found on the Internet are hacked in some way. Since I'm not a Windows users, this doesn't affect me. If you want a possibly more reliable source for odin, see

Note, that heimdall for windows cannot flash .img files. Or at least, I tried hard to find the functionality and couldn't. It forces you to load only .gz formats, no *.* available even. At least, that seems to be a limitation of the frontend.
 

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  • 70
    Port of CF-autoroot for the Tab A and Tab A plus.
    Supports all models.

    See the link below for details:

    http://forum.xda-developers.com/showthread.php?t=3124284

    NOTE: does not support Marshmallow.
    To root MM install TWRP provided below and use Supersu.


    You flash this at your own risk. Please ensure you have the stock ROM to hand downloaded from SAMMOBILE in case of problems. This will trip the knox counter.
    Flash with Odin3 v3.10.6.


    Please post any feedback.

    NOTE: PLEASE DISREGARD ANY OF MY POSTS WITH REFERENCES TO http://galaxy-tab-a.proboards.com/ I NO LONGER WISH TO REMAIN A MEMBER OF THAT FORUM AND HAVE REMOVED ALL OF MY DEVELOPMENT POSTS THERE. THE NEW FORUM LINK IS http://galaxy-tab-a.boards.net

    SM-T550/T555/SM-P550/P555:
    https://www.androidfilehost.com/?fid=23991606952613365

    Stock recovery:
    http://www.mediafire.com/?kxl0r5bsk75322y

    SM-T350/T355/SM-P350/P355
    https://www.androidfilehost.com/?fid=24052804347758647

    Stock recovery:
    https://www.androidfilehost.com/?fid=24052804347758669

    Flash with ODIN 3.10.7 in the AP slot.
    Uncheck Auto reboot.
    Load the respective file above into the AP slot and hit start.
    After flashing and ODIN reports PASS immediately reboot to recovery by holding POWER + HOME + VOL DOWN.
    As soon as the screen goes blank change to VOL UP whilst still holding POWER + HOME.
    You should now see TWRP recovery.


    Guides:
    http://techchomps.com/how-to-root-the-samsung-galaxy-tab-a-9-7/

    http://forum.xda-developers.com/showthread.php?p=61757996

    Credits to Chainfire.
    Please give feed back.

    TWRP can be found here:

    http://forum.xda-developers.com/android/development/recovery-t3426560

    DONATE ME HERE IF YOU'D LIKE TO SUPPORT ME OR BUY ME A BEER>>>DONATE

    Thanks
    17
    Howto

    I didn't find any clear instructions on how to do this except for this french site. I tested with my SM-T550 and it worked like a charm.

    Download all files as described in OP, and Odin

    1. Turn off your tablet

    2. Simultaneously press the keys: Volume Down + Home + Power . Then press volume up to select download mode.
    3. On your computer, open Odin in administrator mode. Odin3-v3.10.6.exe in the zip file.

    888688odin3106.jpg



    4. Connect your tablet to your computer using the USB cable. In ODIN , the box under ID: COM will be in blue when it has detected your tablet.

    5. Click AP then select the file sm-t550_cf -autoroot.tar you downloaded.

    6. Check the boxes that only "Auto Reboot" and "F. Reset Time" are checked (look in the "Options" tab). Make sure the box Re-Partition is not checked.

    947858rootgalaxys6smg920f.jpg



    7. Start the root procedure by clicking the Start button and wait a few moments. The tablet will reboot, red android appear and some status message from the auto-root script and then restart in 10 seconds.

    8. At the end of the installation, you can disconnect your tablet from your computer.

    9. That's it, you are rooted
    7
    TWRP v3.0.0

    This is an update to the latest build of TWRP v3.0.0 for the SM-T555:

    twrp_3.0.0_SM-T555


    DONATE ME HERE IF YOU WANT TO BUY ME A BEER OR HIT THE THANKS BUTTON IF I HELPED YOU



    .
    6
    Hi, I'm happy to be constructive. I had to work on upping my post count just to post in here, and I don't know the intricacies of starting a proper forum area for the device. I assumed (incorrectly, I guess) that it was a simple question of simply creating one. Sorry if you think it's all whining, but I've tried to be polite and clear, and I've thanked you many times. I appreciate your work and effort. I'm trying to figure out a way to streamline things.

    So, why can't the files be properly posted in this thread along with an updated initial post explaining the process?

    Thanks again.

    Because this thread is about rooting not anything else.
    Contaminating it with all sorts of other stuff just takes it off topic.
    I have been gracious enough to post links here to my builds of twrp and custom roms to help people out.

    Nobody here has a god given right to demand anything. I do this for free and don't expect anything but a thanks.
    Many developers leave XDA and give up development because of this kind of stuff.
    6
    What's this?:


    It's basically a rom for the SM-T555*I created for myself to use Xposed.


    UPDATE:*

    SM-T550 version added

    Supersu v2.56
    Xposed v75

    Features:


    XXU1AOJ1 Base_update 8.10.15

    Deodexed

    Deknoxed

    Lightly debloated so as not to lose functionality.

    Rooted with latest Supersu v2.56 binaries.

    Xposed framework.


    Install:

    Install via TWRP recovery.

    No need to wipe, but if you want a minimal system then its advisable to wipe DATA in recovery.

    First boot will take around 10 mins.


    Disclaimer:

    As ever you flash this at your own risk, its up to you to ensure you have a backup with TWRP and/or the stock firmware to hand just*in case the Hells Angels decide to ride into to town and kill your device.



    NOTE: I'm not really going to support this ROM with updates and such. It is what it is, and its up to you to modify it as you wish, more debloat e.t.c., take it or leave it, just leave out the whinging and whining.*


    Link:

    UPDATE :New firmware base uploaded. Xposed updated to latest version v75.
    Minimum requirement is to be running the same stock build XXU1AOJ1 before install.*


    SM-T555.....*www.androidfilehost.com/?fid=24269982086996227



    SM-T550.....*www.androidfilehost.com/?fid=24269982087000057




    CREDITS:*Me, Chainfire, Rovo89, arter97, Samsung




    Hit the*THANKS button any time you like.*