The disable-verification command is not for casual users. It is a deliberate tool for three primary scenarios:
The standard command to flash a vbmeta image while disabling both verity and verification is:
fastboot flash vbmeta vbmeta_custom.img
: To boot a different version of Android than the one provided by the manufacturer, the verification chain must be broken. Important Considerations Security Risk
Generic System Images replace the original system partition with a non-stock version.