PitchBlack Device Tree for the Samsung Galaxy S21 5G FE (Snapdragon)

How-to compile it:

export ALLOW_MISSING_DEPENDENCIES=true
. build/envsetup.sh
lunch pb_r9q-eng
make recoveryimage

Kernel source: https://github.com/edward0181/android_kernel_samsung_sm8350

TWRP functions list

Blocking checks:

• Correct screen/recovery size
• Working Touch, screen
• Backup to internal
• Restore from internal
• reboot to system
• ADB

Medium checks:

• update.zip sideload
• UI colors (red/blue inversions)
• Screen goes off and on (T2W - Tap To Wake is broken)
• F2FS/EXT4 Support, exFAT/NTFS where supported
• all important partitions listed in mount/backup lists
• backup/restore to/from external (USB-OTG) storage (not supported by the device)
• backup/restore to/from adb (https://gerrit.omnirom.org/#/c/15943/)
• decrypt /data
• Correct date

Minor checks:

• MTP export
• reboot to bootloader
• reboot to recovery
• poweroff
• battery level
• temperature
• encrypted backups
• input devices via USB (USB-OTG) - keyboard, mouse and disks (not supported by the device)
• USB mass storage export
• set brightness
• vibrate
• screenshot