[ROM][Android 8.1]LineageOS 15.1[UNOFFICIAL][SM-T350]

[andr01dfr3ak]

LineageOS is a free, community built, aftermarket firmware distribution of Android 8.1 (Oreo), which is designed to increase performance and reliability over stock Android for your device.

/* 
 * Your warranty is now void. Knox 0x1. 
 * 
 * We are not responsible for bricked devices, dead SD cards, 
 * thermonuclear war, or you getting fired because the alarm app failed. Please 
 * do some research if you have any concerns about features included in this ROM 
 * before flashing it! YOU are choosing to make these modifications, and if 
 * you point the finger at us for messing up your device, we will laugh at you. 
 */

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. You will need to provide your own Google Applications package (gapps). LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

WARNING:

• This is not a stable version of LineageOS. If you run into problems (and you will), bring us a logcat so we can fix this quickly.
• We provide no support for custom kernels, Xposed, or any other modifications made to the system.

Prerequisites:

• Your Galaxy Tab A (2015) 8.0".
• Odin (you will have to flash TWRP this way if you don't already have it, otherwise extract the img from the tar file and flash it in TWRP).

Downloads:

• TWRP 3.2.0 (thanks Deadman for building, Austcool for uploading): [url]https://androidfilehost.com/?fid=962339331458992706[/URL]
• Current builds: [url]https://www.androidfilehost.com/?w=files&flid=270958[/URL]

Source code:

• Device trees: msm8916-common, gte-common, gt58wifi
• Kernel tree: [url]https://github.com/Galaxy-MSM8916/android_kernel_samsung_msm8916[/URL]
• LineageOS: GitHub

Support:
You can reach out to me via the official XDA Discord server.

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

Contributors
andr01dfr3ak, deadman96385, Paradoxify, Austcool, Spaceminer
ROM OS Version: 8.x Oreo
ROM Kernel: Linux 3.10.x

Version Information
Status: Testing

Created 2018-05-17
Last Updated 2018-05-16

 

[andr01dfr3ak]

Reserved

Instructions:

From custom ROMs (assuming you already have TWRP):

1. Download the latest build and TWRP from the links above.
2. Ensure these downloads are in your tablet.
3. Extract the img file from the TWRP tar file.
4. Reboot into TWRP.
5. Flash the img file you previously extracted into the recovery partition. (Yes, you can update TWRP this way, it is not dangerous).
6. Reboot recovery. Then flash the ROM.
7. Reboot into system. You should be good to go.

If you want any of Google's applications, you'll have to download that before rebooting into TWRP, and flash it after the ROM, but before rebooting.

For Google's applications, go to OpenGApps and select "ARM" and "8.1".

 

[andr01dfr3ak]

Changelog:

5-16-2018:

• This was released.

Issues:

• Bluetooth is not working
• Device can't play audio through speakers (but can through headphones)
• Media process not doing its job for some reason
• Can't access the camera

Major issue:
This ROM is a hit-and-miss, meaning on some devices, the ROM successfully flashes, and other times, it either doesn't boot or TWRP is unable to flash the ROM.

 

[RebuffedRacer13]

For Gapps, Install the arm version of Gapps.

 

[katochwa]

Test the rom, very smooth, hope the audio can fix soon.

 

[asislife20]

Doesnt work on sm-t350! You flash the recovery with odin, black screen. Flash recovery with twrp black screen. Flash rom with working twrp black screen!

 

[maydemir]

Hello there. After that I restored the old backup from twrp again, but the device gave the error "efs invalid argument". I have tried many methods and now the device does not boot. Can you help me? I am sorry for my English. Thanks in advance.

 

[Techguy777]

Hello there. After that I restored the old backup from twrp again, but the device gave the error "efs invalid argument". I have tried many methods and now the device does not boot. Can you help me? I am sorry for my English. Thanks in advance.

I got you boss I did the same thing and fixed it.

Boot into twrp go to advanced, click terminal and type

mke2fs /dev/block/mmcblk0p13 hit enter.

Then type

mount -w -t ext4 /dev/block/mmcblk0p13 hit enter.

Reboot

It will saying writing indon or something like that after hitting enter on the first command. Are efs is mmcblk0p13 It fixes the problem on reboot your device should boot again flashing stock with Odin doesn't work. I'm guessing you corrupted the data restoring efs and modem with twrp 3.2.1 right? That's how I did it you can't use 3.2.1 for efs or modem it's from lte source code and messes are efs up.hit thanks if it boots it will you just need to type it right. You can also boot into twrp and mount system and use adb to type same command only my adb wasn't working so twrp terminal worked.

 

[maydemir]

I got you boss I did the same thing and fixed it.

Boot into twrp go to advanced, click terminal and type

mke2fs /dev/block/mmcblk0p13 hit enter.

Then type

mount -w -t ext4 /dev/block/mmcblk0p13 hit enter.

Reboot

It will saying writing indon or something like that after hitting enter on the first command. Are efs is mmcblk0p13 It fixes the problem on reboot your device should boot again flashing stock with Odin doesn't work. I'm guessing you corrupted the data restoring efs and modem with twrp 3.2.1 right? That's how I did it you can't use 3.2.1 for efs or modem it's from lte source code and messes are efs up.hit thanks if it boots it will you just need to type it right. You can also boot into twrp and mount system and use adb to type same command only my adb wasn't working so twrp terminal worked.

Thank you so much. It really worked. There were errors in the codes I used before. The code at the end of the 13 solved everything

 

[Techguy777]

Thank you so much. It really worked. There were errors in the codes I used before. The code at the end of the 13 solved everything

Your welcome I made this account just to help you. I had that happen last week and thought my tablet was never going to work again except with nougat. So I dug for days and figured out how to do it.

Ls -l /dev/block/bootdevice/by-name/ hit enter command in terminal.

It will show the partition table or setup for are tablet and that's how I figured out we need to use 13. I'm glad I could help. Now everything will work again you can flash lineage 15.1 and it'll work freeze Bluetooth with titanium backup to stop error. YouTube pic in picture works just no sound through speaker but headphones work. Remember guys system ,data , and boot leave efs and modem alone with twrp 3.2.1 it screws it up also do a wipe first clean flash only.

 

[maydemir]

---------- Post added at 05:16 PM ---------- Previous post was at 04:47 PM ----------

[/COLOR]

Your welcome I made this account just to help you. I had that happen last week and thought my tablet was never going to work again except with nougat. So I dug for days and figured out how to do it.

Ls -l /dev/block/bootdevice/by-name/ hit enter command in terminal.

It will show the partition table or setup for are tablet and that's how I figured out we need to use 13. I'm glad I could help. Now everything will work again you can flash lineage 15.1 and it'll work freeze Bluetooth with titanium backup to stop error. YouTube pic in picture works just no sound through speaker but headphones work. Remember guys system ,data , and boot leave efs and modem alone with twrp 3.2.1 it screws it up also do a wipe first clean flash only.

There is another problem! I have reset my backup but this time the wifi is not turned on. When I try to open it, the key closes itself.

 

[Techguy777]

---------- Post added at 05:16 PM ---------- Previous post was at 04:47 PM ----------

[/COLOR]


There is another problem! I have reset my backup but this time the wifi is not turned on. When I try to open it, the key closes itself.

Well you'd have to tell me what firmware you restored. Also when you did that command did you try other numbers first before 13? Because it might have to do with that. Explain in detail everything. But for wifi now you should be able to flash your stock firmware and get it back on. Try that let us Know Odin for that.

I did the same thing knocked my wifi and I don't believe restoring with twrp worked I did get it back with stock and Odin.

 

[maydemir]

I used version 3.1.1 of twrp. I have restored the 6.0.1 stock rooted software from the backup. but everything just works and wi-fi keeps shutting itself down.

---------- Post added at 07:01 PM ---------- Previous post was at 07:00 PM ----------

Well you'd have to tell me what firmware you restored. Also when you did that command did you try other numbers first before 13? Because it might have to do with that. Explain in detail everything. But for wifi now you should be able to flash your stock firmware and get it back on. Try that let us Know Odin for that.

I did the same thing knocked my wifi and I don't believe restoring with twrp worked I did get it back with stock and Odin.

I used version 3.1.1 of twrp. I have restored the 6.0.1 stock rooted software from the backup. but everything just works and wi-fi keeps shutting itself down.

 

[Techguy777]

I used version 3.1.1 of twrp. I have restored the 6.0.1 stock rooted software from the backup. but everything just works and wi-fi keeps shutting itself down.

---------- Post added at 07:01 PM ---------- Previous post was at 07:00 PM ----------



I used version 3.1.1 of twrp. I have restored the 6.0.1 stock rooted software from the backup. but everything just works and wi-fi keeps shutting itself down.

Yes I don't have time to explain it but efs partition is wifi Bluetooth and other things you have to flash stock now to get wifi back you mounted so now stock firmware will fix it. Before it wasn't mounted so you wouldn't be able to write over it with rom. Flash stock with Odin your wifi won't come back if you don't.

 

[Techguy777]

I used version 3.1.1 of twrp. I have restored the 6.0.1 stock rooted software from the backup. but everything just works and wi-fi keeps shutting itself down.

---------- Post added at 07:01 PM ---------- Previous post was at 07:00 PM ----------



I used version 3.1.1 of twrp. I have restored the 6.0.1 stock rooted software from the backup. but everything just works and wi-fi keeps shutting itself down.

Once you flash stock and fix your wifi then you can go back to marshmallow with twrp and wifi working

 

[bluenote73]

This is awesome, a bit early for me, but I look forward to running it when it's a bit more mature! Thank you!

 

[lmore377]

I tried to copy Bluetooth.apk and libbluetooth_jni.so from a stock rom. It didn't work but hey at least i don't get hundreds of popups saying bluetooth has stopped. What I love about this rom is how stable and fast it is. Boot up time is only like 20 seconds.

 

[Xdevillived666]

What should I use to root? Magisk or Super and which version?

 

[temokk]

Dumb question can i use this on a sm t357t
T mobile tab a.. 8.0

 

[lmore377]

What should I use to root? Magisk or Super and which version?

You can use either on the latest version, but Magisk seems to work better