Android 10 (and 9-compatible) TWRP Device tree for Xiaomi Mi9SE(grus)
To compile:
. build/envsetup.sh
breakfast grus eng
mka adbd recoveryimage
Kernel source: Kowalski Kernel fork, modded for twrp: https://github.com/redispade/kowalski-grus Original kernel: https://github.com/pengus77/kowalski-grus