Vbmeta Samsung M31 -

so you can manually boot into recovery immediately after flashing. Common Issues & Solutions

Modern Samsung firmware for the M31 has split VBMeta into multiple partitions. If you only flash vbmeta.img but leave vbmeta_system.img and vbmeta_vendor.img untouched, you may still get verification errors. vbmeta samsung m31

For the (SM-M315F), the vbmeta partition is a critical security layer used by Android Verified Boot (AVB) 2.0 . It contains cryptographic signatures to ensure that the boot, recovery, and system partitions haven't been tampered with. so you can manually boot into recovery immediately

Disclaimer: This process will void your warranty, trip Knox (permanently disabling Samsung Pay and Secure Folder), and wipe your data. Proceed at your own risk. vbmeta samsung m31