How to disable dmverity or Android Verified Boot (AVB)

For Android devices with dmverity, its important to disable it before attempting to flash a custom recovery or root. Method 1: Hex Editor method (this might not be usable on some models) Method 2: Magisk Manager (this kills two birds with a stone; root access + dmverity disabled) Method 3: vbmeta applies to Android 9 devices (which have vbmeta partition). The vbmeta could either be blank or custom signed depending on the device in question