[ROM][11]LineageOS 18/18.1 Z4Tablet[SGP712/771]

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lvtz

Member
Sep 17, 2019
35
14
I tried 26012021 los18 and it seems it became more stable. However hfc mifare card bug it still here. It asks again to format sdcard. Maybe this is because I use another rom before that.
I found if sdcard is out of the tablet big games installs normally. So there is kinda writing permission problen of obb file to sd card. Maybe it's connected to why it asks often to format sdcard.

Thanks for your answer. But i don't use sdcard on mine.

I will try PixelExperience if it will release for karin_windy. I'm using on a phone and works good. Will see.
 

sabar_op

Senior Member
Jun 30, 2010
154
261

torben5247

Senior Member
Apr 13, 2013
315
55
Quick question, as i recall i wasn´t able to boot into twrp after installing one of the earliest versions´s.
Is that fixed in the 20210222 version?
Thanks for the hard work(y)
 

torben5247

Senior Member
Apr 13, 2013
315
55
The version 20210302 looks very promising. running smooth and battery time looks ok.
Only thing i stumbled over was the recovery.
When boot up holding power and volume down i booted into lineage os recovery and not twrp. It seems like twrp got replaced by the lineage os recovery after every boot. So i had to flash twrp everytime i needed it.
But otherwise the rom seems to be very good.
Thanks for the hard work. (y)
2021-03-02 19.34.39.jpg
 

sabar_op

Senior Member
Jun 30, 2010
154
261
The version 20210302 looks very promising. running smooth and battery time looks ok.
Only thing i stumbled over was the recovery.
When boot up holding power and volume down i booted into lineage os recovery and not twrp. It seems like twrp got replaced by the lineage os recovery after every boot. So i had to flash twrp everytime i needed it.
But otherwise the rom seems to be very good.
Thanks for the hard work. (y)View attachment 5238525

Yes...need to flash twrp again after flashing new rom before restart.
 
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alter.daemon

Member
Nov 20, 2020
10
7
@alex009988

I think you should add in first post about what doesn't work:
- tablet encryption
- SELinux proper configuration for a proper security

In this regard 18.1 is rendered unusable, at least by the light of some quite basic security standards.
 

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  • 4
    Update new rom dated on 11 Dec 2020 :
    - camera now works
    - fix some sepolicy denials.
    4
    New update lineage-18.1-20210302-UNOFFICIAL-karin.zip, see my link in 1st post.

    Changelog :
    - update kernel
    - fix reboot into recovery
    2
    There is Android 11 ROM for Xperia Tablet Z4.
    It's quite stable.
    Kernel sources
    What doesn't work:
    - when the tablet is off, during charging, the diode will always light red;
    - external SD Card as internal storage;
    - restart into recovery;
    - tablet encryption;
    - SELinux proper configuration for a proper security.
    How to install:
    1) use TWRP 3.5.0.
    2) do factory reset (wipe)
    3) Flash the firmware, nik,bit or flamegapps , magisk 21 and that’s it.
    Change log:
    20201206- initial build.

    Last builds (mirror) are here.
    Sabar_op link
    We must be infinite grateful to sabar_op for his hard work in development of this rom and Bernie and Tarkzim who help to update kernel for kitakami devices. :good:.
    2
    Any fix available or updated builds?
    Sabar made Los18.1 build which should reduce battery consumtion. But it also brings new bugs, no exfat for sdcard, half of screen is disabled after wakeup in many cases. I hope it'll be fixed soon.
    2
    New update : (see 1st post for the link)
    - Updated to Android 11.0.0_r27 with January security patches.
    - Upstream updates and fixes.
    - LineageOS features updates.
    - Fixed livedisplay driver (better power consumption)
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