Vbmeta Samsung M31 Fix -

2. "Only official released binaries are allowed to be flashed" (RMM/KG Lock)

Odin does not accept raw .img files. You must convert your vbmeta.img into a .tar archive. Right-click on your vbmeta.img file. Select 7-Zip > . Change the Archive format to tar and click OK. You will now have a flashable file named vbmeta.tar .

Are you planning to install a (like TWRP) or go straight for Magisk root ?

Compress the resulting image into a .tar format archive using 7-Zip, as Odin only accepts .tar or .md5 extensions. Step-by-Step Guide to Flashing VBMeta via Odin

Flashing system files carries inherent risks. Before proceeding, ensure you have met all the following requirements: vbmeta samsung m31

For the , handling the vbmeta (Verified Boot Metadata) file is a critical step when you want to bypass security checks for rooting or installing custom recoveries like TWRP . What is VBMeta?

Disabling vbmeta does not void your warranty by itself— unlocking the bootloader does. However, on Samsung devices, unlocking the bootloader trips the Knox e-fuse, disabling Samsung Pay, Secure Folder, and Health forever.

Enter : Hold Volume Up + Volume Down while connecting to your PC via USB. Open Odin on your PC.

The Samsung Galaxy M31 (powered by the Exynos 9611 chipset) features robust security frameworks, including Samsung Knox and AVB 2.0. Right-click on your vbmeta

A standard Google-provided blank VBMeta image flags verification flags to 0 .

: Ensure your phone has at least 50% battery.

You are trying to flash a VBMeta file extracted from a different firmware version than what is currently installed on your phone.

: Try a "Soft Reset" by holding Power + Volume Down for 10 seconds. You will now have a flashable file named vbmeta

You must flash a "patched" or "disabled" vbmeta image that instructs the bootloader to ignore verification errors. If you skip this step, your Samsung M31

: You cannot flash custom partitions like vbmeta on a locked bootloader. Go to Settings > Developer Options , enable OEM Unlocking , turn off your phone, and hold both volume buttons while connecting to a PC to enter the bootloader unlock menu.

Samsung implements a stricter version of this security (often called Knox Guard). On the M31, the vbmeta partition does the following: