====== BV9500 pro ======

Mediatek Helio P23 

  * [[https://community.e.foundation/t/device-support-project-treble/19645|supported devices]]
  * [[https://www.getdroidtips.com/lineage-os-17-1-blackview-bv9500-plus-android-10/|lineage install]]
  * [[https://sourceforge.net/projects/andyyan-gsi/files/lineage-19.x/|lineage-19.0-20211106-UNOFFICIAL-treble_arm64_bvS.img.xz]]
  * [[https://github.com/phhusson/treble_experimentations/wiki/Blackview-BV9500-Pro|tips on boot]]
  * [[https://mega.nz/8b8c423e-f8da-46c3-b27a-09d2414e536f|stock ROM]] 
  * [[https://unofficialtwrp.com/blackview-bv9500-root-twrp-recovery/|twrp]]

apply these settings from developer menù:
  * OEM unlock
  * debug usb

adb commands
<code>
adb devices # confirm on screen
adb reboot bootloader 
fastboot flashing unlock
# press volume up to confirm
</code>

flash system
<code>
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
</code>