BV9500 pro
Mediatek Helio P23
apply these settings from developer menĂ¹:
- OEM unlock
- debug usb
adb commands
adb devices # confirm on screen adb reboot bootloader fastboot flashing unlock # press volume up to confirm
flash system
fastboot flash system lineage-19.0-20211106-UNOFFICIAL-treble_arm64_bvS.img fastboot flash system lineage-17.1-20210808-UNOFFICIAL-treble_arm64_bvS.img fastboot reboot