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

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edison0354

Senior Member
Mar 10, 2011
71
10
Shanghai
Nexus 7 (2013)
LG Nexus 5X
Then you may contact the manufacturer ;) OK, all joking aside. I've already asked you twice for a logcat.


Until then, does anyone else get a message like that with the TB-X704L?
Same error. Clean install of 18.1, while everything goes fine for 17.
I'm on x704n, 4G+64G, with LTE
 

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samhiggs1988

Member
Apr 6, 2009
29
6
London
I know this isn't the proper thread, but is there a reason I seem to not be able to find anyone working on the x705f variant of this tablet?
Please start a new thread - the Lenovo P10 (which corresponds with your model number) isn't a variant of the Tab 4 10+, it's a model in its own right.

Alternatively, perhaps Google "Lenovo P10 custom ROM" and see where that takes you.

All the best in your search
 

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  • 17
    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.
    4
    I had the 17.1 Version of LineageOS installed on my Tablet and I am glad that there are People like you to support these Devices in their leisure Time. Thank you so much for your effort.

    Soon I will test your 18.1 Version.

    These Firms like Lenovo treat us like idiots and dont offer updates. I will never buy a new Lenovo Tablet.
    4
    Unfortunately, I cannot get GPS to work. I have tried with GPSTEST, and it keeps notifying me, that "GPS/GNSS is deactivated. Activate now?". But location is activated.
    Can confirm the problem. I have already made some progress and got rid of the message in GPSTest, but the current location is still not displayed. I will probably have to look further.
    I've flashed the latest build of Lineage OS 18.1 and I'm satisfied with it.
    The ROM is now stable for daily use.
    I'm glad to hear that. With the next version, the rom will be even better, as the fingerprint scanner will then work. The hint from @Ecthelion4 was decisive, the same code also works on 18.1.