Recovery Mode

adb reboot recovery

Ensure Phone is Off, Hold Volume Up + Power, Release as soon as the Samsung logo shows up, (Also release when warning about unsafe software etc. is shown)

Download Mode

Hold Volume Up + Volume Down and plug USB cable into device; hold until download mode visible

Unlock Bootloader

Enable OEM Unlocking in Android Developer Options, Enter Download Mode, Hold Volume Up, accept with Volume Up

Installation (WIP)

pmbootstrap install --no-recommends --android-recovery-zip --password pw --zap --recovery-install-partition super

Create empty dtbo partition file

avbtool add_hash_footer --partition_name dtbo --partition_size 2621440 --image empty_dtbo.img

Misc. Links

• https://softhandtech.com/what-is-ffbm-mode-in-android/
• https://wiki.postmarketos.org/wiki/Samsung_Galaxy_S24_Ultra_(samsung-e3q)
• https://wiki.postmarketos.org/wiki/Samsung_Galaxy_A52_4G_(samsung-a52q)