[ROM][UNOFFICIAL][11][TB-X704F/L] LineageOS 18.1 for Lenovo Tab4 10 Plus

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lukaspieper

Senior Member
Nov 26, 2018
128
220
Lenovo Thinkpad Tablet
Google Pixel 3
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.

Your warranty is now void.

I am 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 me for messing up your device, I will laugh at you.

3rd PARTY ADDONS/MODS
While we have no issues with people using supersu/magisk/xposed/custom kernels/etc, we can't provide support for users who have them installed.


HOW TO INSTALL LINEAGEOS
- Upgrade to latest available official firmware
- Upgrade to latest available TWRP
- Download the LineageOS zip(s). (see Downloads)
- Copy the LineageOS zip to internal/external sdcard.
- Unlock bootloader and install TWRP.
- Boot into TWRP.
- Perform a backup of your current ROM. (Optional)
- RECOMMENDED: Do a factory reset! No support if you didn't!
- Flash LineageOS.
- Optional: Install the Google Apps addon package.
- Reboot


HOW TO UPDATE LINEAGEOS
- Download the LineageOS zip(s). (see Downloads)
- Copy the LineageOS zip to internal/external sdcard.
- Flash LineageOS.
- Update the Google Apps addon package if it is installed on your current LineageOS version.
- Reboot

WHAT WORKS:
Wifi
Bluetooth
Audio
Camera
LED
USB
Encryption
Hall sensor
DT2W (disabled by default in settings)
Fingerprint
Selinux Enforcing

BROKEN:
GPS (working for some users, read page 5 and 6)
SIM card (help needed as I have the wifi-only-tablet)
Bluetooth aptx (reported by user, unconfirmed)
Wireless display (reported by user, unconfirmed)

DOWNLOADS
LineageOS 18.1: GitHub
TWRP: XDA Thread

DEVELOPER RESOURCES
GitHub

MANY THANKS TO THE CONTRIBUTORS
@Coffeinflash
 
Last edited:

lukaspieper

Senior Member
Nov 26, 2018
128
220
Lenovo Thinkpad Tablet
Google Pixel 3
Changelog moved to GitHub.

2021-08-07
  • August security patch
  • Minor UI changes
2021-06-27
  • SELinux Enforcing
  • Support fingerprint authentication in apps
  • Build kernel with clang compiler
  • Adjust kernel (add Wireguard VPN, drop zcache and legacy filesystems, etc.)
2021-06-15
  • Upstream changes (including June security patch)
  • Fingerprint sensor bring up
  • Rebase kernel on kuntao
2021-05-11
  • Camera is working now (many thanks to @Coffeinflash for fixing it)
  • May security patch
  • Applied a patch to fix the random shutdowns
2021-04-30
  • Initial release
 
Last edited:

Coffeinflash

Member
Jun 13, 2019
16
6
Thank you @LumenReaper for this build! (y)
I can confirm fingerprint is not working, but this is no bigger issue to me.
Flashed Magisk and changed fingerprint two times. But safetynet is still failing - no idea. My sim card is also not detected.
I use the tablet for youtube and yatse mostly. Youtube Vanced workes fine and my Bose headphones are also connected and working.
 
Last edited:

lukaspieper

Senior Member
Nov 26, 2018
128
220
Lenovo Thinkpad Tablet
Google Pixel 3
Thank you @LumenReaper for this build! (y)
I can confirm fingerprint is not working, but this is no bigger issue to me.
Flashed Magisk and changed fingerprint two times. But safetynet is still failing - no idea. My sim card is also not detected.
I use the tablet for youtube and yatse mostly. Youtube Vanced workes fine and my Bose headphones are also connected and working.
Thanks for installing. Glad to hear you're getting along with the current feature set. I should have mentioned that my tablet has WiFi only. Feel free to send me a log if you want, but I expect it will be difficult to fix it without the device itself.
Personally, I have not had any problems with failing safetynet. In which situation does it cause you problems?

Will continue with the fingerprint scanner as soon as I have time again.
Looking forward to this ROM thank you.
You' re welcome.
 
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Coffeinflash

Member
Jun 13, 2019
16
6
Personally, I have not had any problems with failing safetynet. In which situation does it cause you problems?
I do not see any issues with failing safetynet so far. It was working in 17.1 so I just wondered about the error after changing the fingerprint of the device by the help of magisk.
I will try to build the rom on my own with your sources - hopefully I can help with the non working SIM card.
 
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Reactions: lukaspieper

Googole

Senior Member
I've installed this ROM but one thing I noticed is that the internal storage and the contents in it aren't visible at all on MiXplorer Silver (The file manager I use)
It isn't visible at the default file manager too so I rolled back to Lineage OS 17.1
I would appreciate if this is fixed @LumenReaper
 
Last edited:

lukaspieper

Senior Member
Nov 26, 2018
128
220
Lenovo Thinkpad Tablet
Google Pixel 3
I've installed this ROM but one thing I noticed is that the internal storage and the contents in it aren't visible at all on MiXplorer Silver (The file manager I use)
It isn't visible at the default file manager too so I rolled back to Lineage OS 17.1
I would appreciate if this is fixed @LumenReaper
I cannot confirm this problem. The default files app shows me the internal storage and an SD card with content. If I would have had such a serious problem, I would not have published the rom yet.

Have you done a clean flash? Have you tried the format data option in TWRP?

Do you think this wll also work for the TB-X705F, the successor model?
I don't know, do you use the TWRP of this series?
 
  • Like
Reactions: Reynald0

Nuclear Blast

Senior Member
Aug 3, 2012
186
46
Hello,

LumenReaper!​


Thanx for your work, sir!

Tell me, please - Lineage OS 18.1 made on Android 11.0?
There is no word about it in first topic of this thread.

If Yes, where can i find Google Apps package for it?
Asking , because at https://opengapps.org/ there is nothing for Android 11


Thank you
 

Nuclear Blast

Senior Member
Aug 3, 2012
186
46
Installed with a little error after every booting
Screenshot_20210505-203455_Trebuchet.png
 

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  • 21
    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.

    Your warranty is now void.

    I am 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 me for messing up your device, I will laugh at you.

    3rd PARTY ADDONS/MODS
    While we have no issues with people using supersu/magisk/xposed/custom kernels/etc, we can't provide support for users who have them installed.


    HOW TO INSTALL LINEAGEOS
    - Upgrade to latest available official firmware
    - Upgrade to latest available TWRP
    - Download the LineageOS zip(s). (see Downloads)
    - Copy the LineageOS zip to internal/external sdcard.
    - Unlock bootloader and install TWRP.
    - Boot into TWRP.
    - Perform a backup of your current ROM. (Optional)
    - RECOMMENDED: Do a factory reset! No support if you didn't!
    - Flash LineageOS.
    - Optional: Install the Google Apps addon package.
    - Reboot


    HOW TO UPDATE LINEAGEOS
    - Download the LineageOS zip(s). (see Downloads)
    - Copy the LineageOS zip to internal/external sdcard.
    - Flash LineageOS.
    - Update the Google Apps addon package if it is installed on your current LineageOS version.
    - Reboot

    WHAT WORKS:
    Wifi
    Bluetooth
    Audio
    Camera
    LED
    USB
    Encryption
    Hall sensor
    DT2W (disabled by default in settings)
    Fingerprint
    Selinux Enforcing

    BROKEN:
    GPS (working for some users, read page 5 and 6)
    SIM card (help needed as I have the wifi-only-tablet)
    Bluetooth aptx (reported by user, unconfirmed)
    Wireless display (reported by user, unconfirmed)

    DOWNLOADS
    LineageOS 18.1: GitHub
    TWRP: XDA Thread

    DEVELOPER RESOURCES
    GitHub

    MANY THANKS TO THE CONTRIBUTORS
    @Coffeinflash
    9
    New build is up

    2021-06-27

    • SELinux Enforcing
    • Support fingerprint authentication in apps
    • Build kernel with clang compiler
    • Adjust kernel (add Wireguard VPN, drop zcache and legacy filesystems, etc.)
    As communicated in the last release, build is available on GitHub. Those who have an account there can also be notified of new versions from GitHub by clicking on "Watch".

    Otherwise, we are close to the goal, from my side, only the GPS needs to be fixed. Someone who has the appropriate tablet would have to work on mobile data. Everything else should work, as far as I know or have been told.
    7
    New build is up

    2021-06-15

    • Upstream changes (including June security patch)
    • Fingerprint sensor bring up
    • Rebase kernel on kuntao (Lenovo P2)

    Rebasing the kernel is associated with massive changes. On the one hand, there are bug fixes that prevent the kernel from crashing due to an exception in the WiFi driver. On the other hand, new problems can come along with it.

    The new version (and the old ones) can now be found exclusively on GitHub. The link is in the first post.
    7
    New October release available on GitHub!
    4
    Changelog moved to GitHub.

    2021-08-07
    • August security patch
    • Minor UI changes
    2021-06-27
    • SELinux Enforcing
    • Support fingerprint authentication in apps
    • Build kernel with clang compiler
    • Adjust kernel (add Wireguard VPN, drop zcache and legacy filesystems, etc.)
    2021-06-15
    • Upstream changes (including June security patch)
    • Fingerprint sensor bring up
    • Rebase kernel on kuntao
    2021-05-11
    • Camera is working now (many thanks to @Coffeinflash for fixing it)
    • May security patch
    • Applied a patch to fix the random shutdowns
    2021-04-30
    • Initial release