fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
Some A12 variants with a pseudo-fastboot mode: vbmeta samsung a12
'Secure Check Fail: (VBMETA)' (Samsung A54) · Issue #9447 - GitHub 20 Oct 2025 — vbmeta samsung a12
have reported issues like cellular or Bluetooth malfunctions after disabling it, though these are often related to mismatched firmware versions rather than the patch itself. The Galaxy A12 vbmeta samsung a12
There are generally two reasons users on the Samsung A12 need to interact with the vbmeta partition: