Vbmeta Samsung M31 Work

your device and verify that the changes have taken effect.

(AP, BL, CP, CSC files). Locate vbmeta.img inside the AP_...tar.md5 file (use 7-Zip). vbmeta samsung m31

: This is mandatory. Without an unlocked bootloader, the device will reject any non-official VBMeta. your device and verify that the changes have taken effect

: Try a "Soft Reset" by holding Power + Volume Down for 10 seconds. vbmeta samsung m31

Samsung uses . The vbmeta.img file contains cryptographic hashes for other partitions like system , vendor , and boot .

If you flash a custom kernel (like ThunderKernel) or Magisk-patched boot image, the hash changes. Because vbmeta still holds the stock hash, the bootloader panics. This results in a boot loop or a yellow warning screen stating your device has been "blocked by OEM."