Before modifying any partitions on your Samsung M31, ensure you meet the following requirements to prevent hard-bricking your device.
If you are looking to root your Samsung Galaxy M31, install a Custom Recovery like TWRP, or flash a Custom ROM, you will inevitably encounter the term .
If you attempt to flash TWRP recovery or root your M31 without flashing a modified vbmeta file, the phone will trigger an AVB shot validation error. To bypass this check, you must flash a file. This modified file contains a specific flag ( --disable-verity and --disable-verification ) that instructs the bootloader to ignore hash mismatches, allowing custom binaries to run seamlessly. Prerequisites Before Flashing