[ROM][UNOFFICIAL][12.1][DISCONTINUED] LineageOS 19.1 for Galaxy Tab S6 Lite Exynos

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ccpower

Senior Member
Nov 21, 2016
85
33
Dirty flash worked fine after upgrading firmware. There seems to be a bug with Trebuchet overlaying another launcher (i use Posidon). Trebuchet's dock appears on top of Posidon, and disappears as soon as i kill Trebuchet. It soon reappears, though. This doesn't occur on our phones so i'm thinking it's a tablet interface problem.

edit: figured it out: disabling "Task Bar" in settings gets rid of Trebuchet's dock overlay. Now i can use any launcher i want.
 
Last edited:

xsw2

Member
Jan 14, 2021
6
0
I'm trying to flash the stock firmware in LOS recovery's sideload mode, but it's stuck at `serving 0%`. I enabled USB debugging on my tablet and connected to my computer before trying. I've also tried to sideload from my SD card but I don't know how to specify that in the command.

Edit: nevermind. I thought the link LInux4 gave was to the official instructions again, but I updated the firmware like so: https://lineage.linux4.de/fw_update/gta4xlwifi.html and then flashed the lineage os 19.1 recovery and then did adb sideload with the 5/11 release. It was pretty easy. Also, the stock rom zip I tried was 4 GB (maybe it didn't decrypt properly...) so that's probably why it didn't transfer to my tablet.
 
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sdsanap123

Member
May 29, 2009
27
0
I am unable to install lineage recovery, no matter what I do. This is killing me. Just enters stock recovery. I used Odin, heimdall both. Did not boot the device after installing recovery. I was on
Android 12, so downgraded to 11. TWRP was installed successfully but did not go to recovery. Just stuck at this device doesn't have official samsung software warning after the unlocked bootloader warning. Now back to stock OneUI4.1. Any help?
 

lol69 96

Member
May 14, 2022
16
1
I am unable to install lineage recovery, no matter what I do. This is killing me. Just enters stock recovery. I used Odin, heimdall both. Did not boot the device after installing recovery. I was on
Android 12, so downgraded to 11. TWRP was installed successfully but did not go to recovery. Just stuck at this device doesn't have official samsung software warning after the unlocked bootloader warning. Now back to stock OneUI4.1.
You have to force it to boot on lineage recovery just after installing it and if you boot normally it will get replaced.See the instructions on official website
 

amazon007

Member
Apr 28, 2019
11
1
I am confused because of the following:
- lineos 19.1 20220511 is official on this page https://download.lineageos.org/gta4xlwifi
- lineos 19.1 20220514 is unofficial on this page https://lineage.linux4.de/devices/gta4xlwifi.html

If we install the official version, will we be able to OTA update later to all newer versions? Why there is still the unofficial version since it is now official? :confused:

- also there is this firmware update https://lineage.linux4.de/fw_update/gta4xlwifi.html
What does it do? My device is already on Android 12, do I need to install this firmware update, then the above official version? Or just directly install the official version?

Thanks.
 

lol69 96

Member
May 14, 2022
16
1
I am confused because of the following:
- lineos 19.1 20220511 is official on this page https://download.lineageos.org/gta4xlwifi
- lineos 19.1 20220514 is unofficial on this page https://lineage.linux4.de/devices/gta4xlwifi.html

If we install the official version, will we be able to OTA update later to all newer versions? Why there is still the unofficial version since it is now official? :confused:

- also there is this firmware update https://lineage.linux4.de/fw_update/gta4xlwifi.html
What does it do? My device is already on Android 12, do I need to install this firmware update, then the above official version? Or just directly install the official version?

Thanks.
well...Lte version is still at lineage os 18.1
I waited for a few days but now I'm frustrated and will try to install it anyway
 

ALELOCOOO

Member
Jan 8, 2015
49
4
Any way to update to LOS 19.1 without losing any data?
I'm currently on 18.1 may 4th build. Asking because the instructions says "make sure you're on Android 12 before upgrading" :/
 

lol69 96

Member
May 14, 2022
16
1
Hey I have one question...the gapps is android 12.0 but lineage os is 19.1.
Does it cause any problems?
 

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    LineageOS is a free, community built, aftermarket firmware distribution of Android 12, 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:
    • Follow the instructions here

    Downloads:

    Reporting Bugs
    • DO NOT Report bugs if you're running a custom kernel or you installed Xposed
    • DO NOT Report bugs if you're using TWRP
    • DO NOT Report bugs while having Magisk installed (especially with Zygisk enabled)
    • 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)
    • If the problem disappears after running "setenforce 0" from a root shell, grab /data/misc/audit/audit.log

    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:


    Support
    Telegram group

    Contributors
    Linux4, programminghoch10
    Source Code: https://github.com/LineageOS
    Kernel source: https://github.com/LineageOS/android_kernel_samsung_gta4xl/tree/lineage-19.1
    14
    Requirements:
    • Any R based firmware installed on your device.

    Pre-Install Instructions

    Warning: The following instructions will unlock the bootloader and wipe all userdata on the device.

    1. Connect the device to a Wi-Fi network.
    2. Enable Developer Options by pressing the “Build Number” option in the “Settings” app within the “About” menu
      • From within the Developer options menu, enable OEM unlock.
    3. Power off the device, and boot it into download mode:
      • With the device powered off, hold Volume Down + Volume Up and connect USB cable to PC.
      • Now, click the button that the onscren instructions coorelate to “Continue” and/or “Unlock Bootloader”.
    4. Your device will reboot, you may now unplug the USB cable from your device.
    5. The device will demand you format userdata, please follow the onscreen instructions to do so.
    6. Run through Android Setup skipping everything you can, then connect the device to a Wi-Fi network.
    7. Re-enable Development settings by clicking the “Build Number” option 10 times, in the “Settings” app within the “About” menu, and verify that “OEM Unlock” is still enabled in the “Developer options” menu.

    Installing LineageOS for the first time
    1. Flash lineage recovery
      Only the provided lineage recovery will be supported,
      using TWRP might result in a possible data loss!!

      If using Odin rename the lineage recovery image for your model to recovery.img and add it to a .tar archive using e.g 7zip.
      If using Heimdall use: heimdall flash --RECOVERY recovery.img --no-reboot
    2. Boot lineage recovery
      IMPORTANT: Do not boot into system again before booting recovery, or system will restore stock recovery!
      If using Odin untick auto-reboot before flashing.
      After flashing reboot by pressing Volume Down and Power for approximately 7 seconds,
      immediately hold Volume Up and Power to boot recovery
      IMPORTANT: As of OneUI 3 your device needs to be connected to a PC via USB cable in order to be able to
      boot recovery via Volume Up, Bixby and Power.
    3. Factory reset using Factory reset -> Format data/factory reset
      Warning: Unlike TWRP this will also erase internal storage!
    4. Sideload LineageOS by enabling sideload via Apply Update -> Apply from ADB
      Then run adb sideload <path to your lineage.zip> on your PC
      Optional:
    5. Sideload GApps and magisk by repeating above step
      with their zip/apk

    Magisk
    I strongly recommend to use Lygisk instead,
    which is a fork of Magisk that aims to improve support for devices with FBE that can't (and shouldn't anyways!) decrypt userdata in recovery,
    this will also fix OTAs getting stuck while having installed Magisk.
    6
    Features

    • SELinux enforcing
    • AES-256-XTS FBE encryption
    • Latest Linux 4.14.x kernel

    Known issues
    • LineageOS specific features like livedisplay (for now)
    • You tell me
    6
    https://lineage.linux4.de/fw_update/gta4xlwifi.html doesn't require you to go back to full stock (the firmware is downloaded automatically using samloader in gh actions in my repo here: https://github.com/Linux4/firmware-update)