Ab Multiboot ((exclusive)) Jun 2026

run fastboot flash recovery twrp.img on an AB device. It will overwrite your boot image and cause a boot loop.

A/B Multiboot (often called or Seamless Updates ) is a robust update mechanism used primarily in Android, ChromeOS, and modern Linux distributions to ensure that a device remains bootable even if an update fails. How A/B Multiboot Works ab multiboot

What are you using (e.g., Zgemma, Android phone, Raspberry Pi)? Are you trying to fix a boot loop or install a new OS ? run fastboot flash recovery twrp