[ROM][12.1][grus] LineageOS 19 for Xiaomi Mi 9 SE [UNOFFICIAL]

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buteo

Senior Member
Aug 14, 2007
166
26
Can you share the Mod or the link to that thread? Thanks a lot.

edit: Found it. Thanks for the info.
Please share with us: is this one?
 

Rocky7842

Member
Apr 27, 2022
36
13
Please share with us

I didn't try it though. I eventually take kyasu's tree and build a crDroid with the options built in it.
 
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spyfurky

New member
Sep 11, 2022
1
0
hi guys, my english is not very good. I'm writing from the translation. My request from you is to tell me simply how to do the installation.
Is a computer required for installation?
I will switch from miui 12 to this rom. I had bootloop problem while installing costum rom before.
 

R!ffRaff

Senior Member
Oct 21, 2019
299
102
Please update installation guide :)
this is just like any other (mi) phone.
1. unlock bootloader
2. install LOS recovery (for online updates)
3. delete partition / Factory reset
4. install the latest firmware (if not already installed)
5. install lineageOS.zip
6. install gapps or magisk (optional)
7. have fun

if you are not sure, wait until the wiki page is online. It won't be long now.

Can you cross-patch this? Or would you have to reset the device for that? In the latter case I'll stick with kyasu's build.
i can't tell you that and it depends on the signature keys. I would back up all the settings (manually or with seedvault). after that, make a dirtyflash. if it goes wrong you make a factory reset or better a full wipe! test it and report.
 

Pherkel

New member
Jun 23, 2022
4
1
Hi, I am having issues with the NFC chip of my device.
I want to use it for verification of rfid in my passport, in germany we can use Ausweisapp2 for this.
Grus itself seems to be supported and it has worked with my phone prior to installing the ROM. Other services such as Google Pay also work without any problems.
Does anyone have a clue as to why this might not work?
 

sickeye

Member
Aug 3, 2022
18
0
Italy
Hi, I am having issues with the NFC chip of my device.
I want to use it for verification of rfid in my passport, in germany we can use Ausweisapp2 for this.
Grus itself seems to be supported and it has worked with my phone prior to installing the ROM. Other services such as Google Pay also work without any problems.
Does anyone have a clue as to why this might not work?
do you have root?
 

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    2okPze5.png

    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. You will need to provide your own Google Applications package (gapps). LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

    This is an unofficial LineageOS 19 build for the global version of Xiaomi Mi 9 SE (grus).

    Requirements
    • Required firmware version is MIUI V12.5.1.0.RFBMIXM.
    • Required TWRP is provided in this post (see below) that returns the correct 'ro.product.device'.
    • Formatting data (all user data is wiped, including internal storage) is a must if MIUI was previously installed.
    • Twrp can't decrypt data in android 12, so you need to install updates via adb sideload.
    Known Issues
    • Please tell me
    Instructions
    1. Flash TWRP recovery via fastboot
    2. Boot to TWRP recovery (Vol UP + Power)
    3. Format Data (backup sdcard before format) if MIUI was previously installed
    4. Flash ROM (lineage-*.zip) via adb sideload (Advanced -> ADB sideload)
    5. Flash Gapps (MindTheGapps-12.1.0-arm64 is recommended) via adb sideload
    6. Reboot
    Enjoy!

    NOTES
    • Safetynet can pass on this ROM (without magisk).
    • Regardless of the actual security update date, android security update is always displayed as 2021-04-01 for safetynet passing.
    • Recommended camera app is GCam Port: BSG 8.1 that can handle all of three lenses.
    Downloads
    All: https://androidfilehost.com/?w=files&flid=327360
    LineageOS 19: lineage-19.1-20221007-UNOFFICIAL-grus.zip
    twrp: twrp-3.6.2_9-ky-grus.img
    firmware: fw_grus_miui_GRUSGlobal_V12.5.1.0.RFBMIXM_c04478d703_11.0.zip

    Sources
    https://github.com/kyasu/android_device_xiaomi_grus
    https://github.com/kyasu/android_kernel_xiaomi_sdm710
    https://github.com/kyasu/android_vendor_xiaomi_grus

    Contributors
    LineageOS team, SDM710 Development team, kyasu

    ROM OS Version: Android 12
    ROM Kernel: Linux 4.9
    Based On: LineageOS
    Status: Stable

    Created 2022-03-06
    Last Updated 2022-10-08
    14
    I uploaded the new build (lineage-19.1-20220710-UNOFFICIAL-grus.zip).
    (True) Android security update date is 2022-07-05.
    11
    I uploaded the new build (2022-04-28) updated with the latest LineageOS source.
    10
    I uploaded the new build.
    (True) Android security update date is 2022-04-05.
    Fix the issue of the whole screen high brightness on FOD.
    9
    I uploaded the new build.
    (True) Android security update date is 2022-06-05.