. It allows users to boot modified partitions (like a custom recovery or rooted system image) that would otherwise be rejected by the device's bootloader due to signature mismatches. Core Functionality When you flash a vbmeta.img
Here is the standard procedure for most devices that support AVB. vbmeta disable-verification command
If you want to edit /system/build.prop or /system/etc/hosts , even with root, a locked AVB will detect the change on next reboot and either refuse to boot or revert changes (on some OEMs). even with root
To re-enable verification, you can use the following command: vbmeta disable-verification command
With verification off, malware with root access can modify system partitions permanently. The OS will no longer detect or prevent changes to critical system files.