[ROM][LineageOS-14.1] Samsung Galaxy Tab A 7.0 - SM-T280 (gtexswifi)

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_mone

_mone

Inactive Recognized Developer
Jul 25, 2015
953
2,922
London
2okPze5.png


LineageOS is a free, community built, aftermarket firmware distribution of Android 7, which is designed to increase performance and reliability over stock Android for your device.

LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. Linked below is a package that has come from another Android project that restore the Google parts. LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

All the source code for LineageOS is available in the LineageOS Github repo. And if you would like to contribute to LineageOS, please visit out Gerrit Code Review. You can also view the Changelog for a full list of changes & features.

Instructions :
  • Download the latest build and (optional) GApps
  • Boot to recovery
  • Flash the latest build
  • If you want GApps you have to mount system first:
    Mount -> System -> Go back to the first page and install GApps as normal
  • Reboot
Downloads :
Reporting Bugs
  • DO NOT Report bugs if you're running a custom kernel or you installed Xposed
  • Grab a logcat right after the problem has occurred. (Please include at least a few pages of the log, not just the last few lines, unless you know what you're doing.)
  • If it is a random reboot, grab /proc/last_kmsg. (Do not bother getting a logcat unless you can get it just before the reboot. A logcat after a reboot is useless)
Remember to provide as much info as possible. The more info you provide, the more likely that the bug will be solved. Please also do not report known issues. Any bug not reported in the bug report format below may be ignored.

Code: 
What is your--
LineageOS version:
LineageOS Download url:
Gapps version:

Did you--
wipe:
restore with titanium backup:
reboot after having the issue:

Are you using--
a task killer:
a non-stock kernel:
other modifications:

Provide any additional information (observations/frequency of problem/last version it worked on/etc) as needed:

Known Bugs :
  • Camera doesn't work (use opencamera instead)
  • RadioFM doesn't work

Credits :

Source :

XDA:DevDB Information
LineageOS for gtexswifi, ROM for the Samsung Galaxy Tab A series

Contributors
_mone
Source Code: https://github.com/lineageos

ROM OS Version: 7.x Nougat
ROM Kernel: Linux 3.10.x
ROM Firmware Required: T280XXS0ARJ2

Version Information
Status: Testing

Created 2020-09-03
Last Updated 2020-09-08
 
Last edited:
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Reactions: Nightsail, esginmurat, SliverSeven and 16 others
juanysara

juanysara

Senior Member
Dec 27, 2010
106
15
Thanks for your job

How do I install magisk?

Sd cannot be used as an intern
 
Last edited:
T

TheCopacabanaMan

Member
Feb 7, 2008
48
0
Thank youuuhhh very macho for your work, it looks awesome
Just one question: i installed ev'rything, and looks ok (apart camera), but i was not able to get any sound. Is it just my broken-broken-tablet, maybe?
 
_mone

_mone

Inactive Recognized Developer
Jul 25, 2015
953
2,922
London
juanysara said:
How do I install magisk?
Click to expand...
Click to collapse
Just flash the zip file via TWRP, if you don't see the magisk app after rebooting extract the .apk from the zip file and install it as a normal app.

juanysara said:
Sd cannot be used as an intern
Click to expand...
Click to collapse
Thanks for reporting, I'll have a look into it.

TheCopacabanaMan said:
i was not able to get any sound
Click to expand...
Click to collapse
Which build did you install? The 20200903 build has audio working.
 
juanysara

juanysara

Senior Member
Dec 27, 2010
106
15
is it possible to incorporate "close application" by leaving the back button pressed?
 
juanysara

juanysara

Senior Member
Dec 27, 2010
106
15
Thanks.

The sound in the bluetooth headset does not work and hbo crashed.
 
Last edited:
B

barrie.kenyon

Member
Jun 9, 2015
34
6
I have now loaded the custom ROM, and it works!!!!!
As a complete noob I had to puzzle some things out, but I got there in the end.
For other noobs. the process was:
1. Download the ROM, TWRP-3.4.0-0, ODIN
2. Copy ROM and GAPPS onto an SD card.
3. Run ODIN on your PC, load TWRP, follow instructions to boot into TWRP
4. Install ROM and GAPPS from SD card using TWRP
5. Boot into new ROM, setup network, Google account, etc
Enjoy!!!
You will find links to TWRP, ODIN with a quick search. Full instructions there.
All seems to working except camera.
Thanks to _mone.
Brilliant
 
B

barrie.kenyon

Member
Jun 9, 2015
34
6
Hi, and help!
I flashed the new ROM and it worked fine - see posting above yesterday.
Everthing worked fine until I rebooted the tablet.
Now it tells me 'Custom binary blocked by FRP lock' when it tries to boot.
I used ODIN to try to reload TWRP to start again, but that is also now blocked by FRP Lock.
How do I get back to a point where I can start again, and this time get TWRP to wipe everything.
Help!
 
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    _mone
    _mone
    2okPze5.png


    LineageOS is a free, community built, aftermarket firmware distribution of Android 7, which is designed to increase performance and reliability over stock Android for your device.

    LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. Linked below is a package that has come from another Android project that restore the Google parts. LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

    All the source code for LineageOS is available in the LineageOS Github repo. And if you would like to contribute to LineageOS, please visit out Gerrit Code Review. You can also view the Changelog for a full list of changes & features.

    Instructions :
    • Download the latest build and (optional) GApps
    • Boot to recovery
    • Flash the latest build
    • If you want GApps you have to mount system first:
      Mount -> System -> Go back to the first page and install GApps as normal
    • Reboot
    Downloads :
    Reporting Bugs
    • DO NOT Report bugs if you're running a custom kernel or you installed Xposed
    • Grab a logcat right after the problem has occurred. (Please include at least a few pages of the log, not just the last few lines, unless you know what you're doing.)
    • If it is a random reboot, grab /proc/last_kmsg. (Do not bother getting a logcat unless you can get it just before the reboot. A logcat after a reboot is useless)
    Remember to provide as much info as possible. The more info you provide, the more likely that the bug will be solved. Please also do not report known issues. Any bug not reported in the bug report format below may be ignored.

    Code: 
    What is your--
LineageOS version:
LineageOS Download url:
Gapps version:

Did you--
wipe:
restore with titanium backup:
reboot after having the issue:

Are you using--
a task killer:
a non-stock kernel:
other modifications:

Provide any additional information (observations/frequency of problem/last version it worked on/etc) as needed:

    Known Bugs :
    • Camera doesn't work (use opencamera instead)
    • RadioFM doesn't work

    Credits :

    Source :

    XDA:DevDB Information
    LineageOS for gtexswifi, ROM for the Samsung Galaxy Tab A series

    Contributors
    _mone
    Source Code: https://github.com/lineageos

    ROM OS Version: 7.x Nougat
    ROM Kernel: Linux 3.10.x
    ROM Firmware Required: T280XXS0ARJ2

    Version Information
    Status:     Testing

    Created 2020-09-03
    Last Updated 2020-09-08
    View
    6
    _mone
    _mone
    New build: lineage-14.1-20210209-UNOFFICIAL-gtexswifi.zip

    You can now format the external sdcard as internal storage
    View
    5
    S
    sch00n3r
    For anyone trying to figure out how to get this or other ROMs working on the T280 with a valid google account (without FRP ruining all of your fun), here is what you need to know:

    * Follow instructions to install custom bootloader, ROM and GApps Pico (see OP)
    * Download ADB here: https://dl.google.com/android/repository/platform-tools-latest-windows.zip
    * Unzip to a folder, open a cmd prompt and navigate to that folder
    * On the tablet, perform initial setup and go into settings, Developer Options and enable root access (ADB only)
    * Connect your tablet to your PC.
    * Run the following commands:
    * adb devices (confirm that adb "sees" your device as connected)
    * adb root
    * adb remount
    * adb pull /system/build.prop
    * Now you will have a copy of build.prop in your adb folder. Edit the file with notepad, or some other simple text editor that will not insert hidden characters.
    * Find the following entry: ro.frp.pst=
    * Comment it out (disable it) by adding a # at the beginning of the line. Ex: # ro.frp.pst=
    * save the file
    * Go back to adb and run the following commands
    * adb remount -o rw /system
    * adb push build.prop /system/build.prop
    * adb shell chmod 644 /system/build.prop
    * adb remount -o ro /system
    * adb reboot
    * Add your google account. You could add your account before modifying build.prop, but if you forget and reboot you'll be out of luck and will have to start from scratch flashing the factory ROM, etc.
    * That should do it! You should now be able to reboot as much as you like.
    * If you want extra assurance in the event that build.prop ever gets overwritten, you can blank out the FRP partition with FRP destroyer (I recommend): https://forum.xda-developers.com/t/frp-destroyer-flashable-zip.3920067/

    When I tried FRP destroyer without modifying build.prop, I never got to install it with TWRP as FRP would already be blocking me from booting. It is possible that I was doing things in the wrong order, but I thought I would share just in case someone finds themselves stuck like I was. I am not a pro at this, I have used CM on a few devices in the past but have never dealt with FRP before. I prefer to share my learnings to hopefully help others in the future.

    Cheers!

    SCH00N3R
    View
    3
    _mone
    _mone
    New build: lineage-14.1-20210207-UNOFFICIAL-gtexswifi.zip

    GPS should work now.
    Let me know.

    I'm having difficulties uploading new builds.. if anyone is building for themselves and want to share builds with the community, feel free to do it here.
    View
    2
    M
    Mariadif
    okrej said:
    I'm a newbie in this topic. Can you guide me how to do it on my device? At this point I made everything like expalained in the link below and I'm stuck on error 7 in TWRP.

    Root Samsung Galaxy Tab A SM-T280 and Install TWRP Recovery

    Today we'll see how we can Root Samsung Galaxy...
    www.droidviews.com www.droidviews.com
    View attachment 5177541
    Click to expand...
    Click to collapse
    Hi,
    for error 7 : see here

    [ROM][LineageOS-14.1] Samsung Galaxy Tab A 7.0 - SM-T280 (gtexswifi)

    Hello all! I've got the ROM working. Only...
    forum.xda-developers.com forum.xda-developers.com
    And for the way of how to proceed, I suggest you watch the youtube video from Mone:
    I used : odin 3.10.7;twrp_3.2.1-1_sm-t280_080118;lineage-14.1-20200929-UNOFFICIAL-gtexswifi;
    and after installation of the custom rom : Magisk 20.4
    View

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