Small How To install LOS form offial sources
- Do backoup, root device and install TWRP
- Download latest MIUI 10 for mi8 https://bigota.d.miui.com/V12.0.3.0.QEAMIXM/miui_MI8Global_V12.0.3.0.QEAMIXM_7619340f8c_10.0.zip
zip -d miui_MI8Global*.zip boot.img compatibility.zip system*
mkdir -p META-INF/com/google/android
unzip -p miui_MI8Global*.zip META-INF/com/google/android/updater-script | sed '/boot.img/d' | sed '/system/d' > META-INF/com/google/android/updater-script
zip -u miui_MI8Global*.zip META-INF/com/google/android/updater-script && rm -rf META-INF
- Download latest https://download.lineageos.org/dipper
- Download latest magisk manager flashable zip
- Download latest gapps for Android11\arm64 https://androidfilehost.com/?w=files&flid=322935
- Reboot to TWRP
- twrp advance wipe cache, system and data
- Install using TWRP sideload feature:
adb sideload miui_MI8Global*.zip
adb sideload lineage*.zip
adb sideload MindTheGapps*.zip
adb sideload Magisk*.apk