Ro.boot.vbmeta.digest -

If you modify your system or boot images, the new hashes will no longer match the ones defined in the original vbmeta signature. To bypass this, users usually have to flash a custom or patched vbmeta image (e.g., vbmeta.img with verification disabled).

platform/external/avb - Git at Google - Android GoogleSource ro.boot.vbmeta.digest

fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img Use code with caution. If you modify your system or boot images,

The digest uniquely identifies the exact combination of verification policies active at boot. It covers: ro.boot.vbmeta.digest