Introduced with Android 8.0, the acts as the root of trust for Android Verified Boot (AVB). It contains cryptographic signatures (digests) used to verify the integrity of other critical partitions—such as boot.img , recovery.img , system.img , and vendor.img —before the system boots.
This message accompanies the AVB Fail, signaling that the vbmeta verification has failed. It often freezes the device in Download Mode. To fix this, re-flash the entire official Samsung firmware via Odin using the , AP , CP , and CSC files to return the device to a working state. vbmeta samsung m31
Flash custom ROMs or GSIs (LineageOS, Pixel Experience, etc.). Prerequisites Before Flashing Introduced with Android 8
(SM-M315F/G) is a popular budget-to-mid-range smartphone known for its massive battery and capable display, making it a favorite for rooting and custom ROM enthusiasts. However, unlocking the bootloader and installing custom binaries on Samsung devices running Android 10 or higher introduces a security check called , or VBMeta . It often freezes the device in Download Mode
Issue 1: Device is stuck in a bootloop with text saying "VBMeta error"
Once VBMeta is flashed, you must immediately boot into recovery mode and wipe the device data (Format Data), otherwise, the device will get stuck in an encrypted boot loop.