LineageOS 20.0 (Android 13) for Mi Pad 4 Plus

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sabar_op

Senior Member
Jun 30, 2010
457
973
Xiaomi Mi Pad 4 Plus
Latest rom lineage-20.0-20221110-UNOFFICIAL-clover.zip :
- Android 13.0.0_r13
- November security patch
- 4.19 Nyx Kernel
- OSS cam HAL
- Migrate to Xiaomi power AIDL HAL and common sdm660 powerhint
- Build QTI thermal HAL
- Switch to S62Pro blobs
- Switch to original clover graphic firmware

Download

Installation instructions :
- Perform a backup of your current ROM (optional)
- Use latest 4.19 TWRP created by pix106: (TWRP)
- Perform clean install from TWRP (factory reset, format data and wipe system)
- Flash ROM
- Flash GApps (optional).

Keep in mind that some LineageOS features have not been completed yet.

What's working:
- All hardware

What's not working:
Let me know.

Source : https://github.com/LineageOS
Kernel : clover
Device tree : sdm660
 
Last edited:
Hello @sabar_op

Please can I invite you to insert the Source Kernel link , according to the xda GPL , within 5 days.
If you don't, the thread will be closed and all links will be removed.

However, if you have a very busy IRL life and will not have time to include the link within 5 days, just report the OP and we can re-establish the thread and you can insert the link to your kernel source as soon as possible

If you have any questions, feel free to contact me by PM.

Regards

Sib64 - Moderator
 

sabar_op

Senior Member
Jun 30, 2010
457
973
Xiaomi Mi Pad 4 Plus
Hello @sabar_op

Please can I invite you to insert the Source Kernel link , according to the xda GPL , within 5 days.
If you don't, the thread will be closed and all links will be removed.

However, if you have a very busy IRL life and will not have time to include the link within 5 days, just report the OP and we can re-establish the thread and you can insert the link to your kernel source as soon as possible

If you have any questions, feel free to contact me by PM.

Regards

Sib64 - Moderator

Update the source in 1st post.
 
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LeshaRB

Senior Member
Apr 21, 2017
124
19
Lenovo Legion Duel
@sabar_op
1.
Do you have such firmware for Xiaomi mipad 4(without plus )
2.
how to remove this bottom panel?

I can delete default Trebuchet launcher but I lost some gestures
 

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  • 7
    Latest rom, check 1st post.
    1
    As I wrote wrong technical information based on the previous ROM before, I will write confirmed technical information on audio based on this ROM.

    • DRC (Dynamic Range Control, i.e., compression) for all audio outputs including Bluetooth
      • disabled unlike other SDM devices (as a tweak? its switch is on though)
    • Bluetooth:
      • a2dp hardware offload disabled, i.e., no forced 48kHz resampling at the mixer unlike other SDM devices
      • codecs: SBC, AAC, aptX, aptX HD, LDAC
      • SBC & AAC: 44.1kHz fixed
      • aptX & aptX HD: 48kHz default
        • changing 44.1kHz is best for usual audio sources
      • LDAC: 96kHz & 32bit & Best effort default
        • changing 44.1kHz & 32bit & 909 kbps is best for usual audio sources
    • USB audio: "usb" HAL module used (not "usbv2" unlike Pixel6)
      • up to 96kHz without some Magisk module as usual
      • automatic detection of your DAC capabilities, and will set 96kHz & 32bit (24bit for cheap ones) mode for almost all external DAC's
    1
    I wouldn't say much. The reasons why usual Android devices cannot deliver hi-fi music are the quality of resampling and the amount of jitter generated from battery optimizations and others.

    If you like, try my Magisk modues Audio Misc Settings and Audio Jitter Silencer. They can improve the resampling quality ( to a mastering quality) and reduce the jitter.

    Enjoy hi-fi music!
    I might dabble but it is unlikely because my tablet is mostly for casual use. Kudos to you for doing the work to create the system. I mainly use a Dell notebook (Linux) and a USB connected SMSL SU-9 DAC connected to my HiFi gear. The DAC is a mid range unit but I am happy enough with the result.

    As an aside there is a setting on our MiPads Settings -> System -> Device Settings -> Mi Sound Enhancer. I think it degrades the sound when switched on. But sound is a personal thing and depends on age a lot (not music taste loss of high frequency hearing as you get older).
    1
    hi @GregEden with which GAPPS version has you installed this rom? Thanx
    NikGAPPS. Most here use Basic but this time I used Full. I use Google services a lot. The specific Android 13 version
    1
    Thanks @sabar_op, I updated to the latest ROM by dirty flashing without problems.

    I find the DRC is now on default unlike Nov. 1 & Nov. 6 ROM's.
    I feel this DRC is rather old and not in good quality, even generates slightly clipping noise. I felt previous DRC was rather deep, but in considerably good quality.

    Edit:
    Corrected by comparison,


    DRC switch: on (default)
    (speaker_drc_enabled="true")
    DRC switch: off
    (speaker_drc_enabled="false")
    Nov.6 ROMvery shallow compression,
    but good quality
    deep compression,
    but good quality
    Latest ROMshallow compression,
    and obviously rough quality
    (very like the stock one)
    completely no compression,
    and very good quality

    Note:
    speaker_drc_enabled in /vendor/etc/audop_policy_configuration.xml is the DRC switch on Android for not only internal speakers, but also USB DAC's, 3.5mm jack, Bluetooth earphones and capturing


    Edit:
    I think now slightly clipping I wrote is wrong. It might be rough sound caused by jitter distortion.
  • 19
    Latest rom lineage-20.0-20221110-UNOFFICIAL-clover.zip :
    - Android 13.0.0_r13
    - November security patch
    - 4.19 Nyx Kernel
    - OSS cam HAL
    - Migrate to Xiaomi power AIDL HAL and common sdm660 powerhint
    - Build QTI thermal HAL
    - Switch to S62Pro blobs
    - Switch to original clover graphic firmware

    Download

    Installation instructions :
    - Perform a backup of your current ROM (optional)
    - Use latest 4.19 TWRP created by pix106: (TWRP)
    - Perform clean install from TWRP (factory reset, format data and wipe system)
    - Flash ROM
    - Flash GApps (optional).

    Keep in mind that some LineageOS features have not been completed yet.

    What's working:
    - All hardware

    What's not working:
    Let me know.

    Source : https://github.com/LineageOS
    Kernel : clover
    Device tree : sdm660
    7
    Latest rom, check 1st post.
    6
    Latest update....see 1 post. Now device is certified in playstore.
    4
    The default camera can't work too.
    MI pad 4 plus with lineage-20.0-20221010.

    Uoloading new build to fix camera...same like PE13
    4
    @sabar_op
    Thanks you for release

    I understand that this is not an official firmware. but what are your plans? will you support the update?

    Hope so...