Ab Multiboot -

boot_slot=A try_count=3

ERROR: Main AI missing. Dependencies unresolved. Fallback to Chain Boot? (Y/N) ab multiboot

To understand how A/B multiboot functions, one must look at the partition table layout. In a legacy system, you might see system , boot , and data . In an A/B system, these are duplicated. boot_slot=A try_count=3 ERROR: Main AI missing

This is the most common implementation. It ensures that even if a critical system update has a bug or the battery dies during installation, the phone will always be able to boot into a working state. you might see system