To work with vbmeta on the Samsung M31, you'll need:
Click the button. Odin will flash the file, and the log box will display a green PASS! message. Step 4: Wipe and Proceed to Custom ROM/Root
The moment you flash a modified vbmeta to bypass security, a physical e-fuse inside the M31's processor "trips."
Extract the AP_ file using a tool like 7-Zip. Inside, you will find vbmeta.img . Option 2: Using a Blank/Patched VBMeta vbmeta samsung m31
Check the section in Odin. If it turns blue or light blue, your PC has successfully recognized your Galaxy M31. If not, reinstall your Samsung USB drivers.
The bootloader is likely still locked, or "OEM Unlocking" was automatically turned back off by Samsung's KG/RMM State security.
What is your M31 currently running?
What (if any) is displayed on Odin or your phone screen?
Look at the log section in the top left. If your drivers are correct, you should see a highlighted box saying COM [Number] , indicating your phone is properly connected. Navigate to the Options tab on the left side of Odin.
Release the buttons when you see a blue/green warning screen. To work with vbmeta on the Samsung M31,
VBMeta stands for . It is a core component of Android Verified Boot (AVB) 2.0 , a security feature introduced by Google to ensure the integrity of your device's operating system. How it Works
2. "Only official released binaries are allowed to be flashed" (Prenormal RMM/KG State)
You forgot to wipe data/factory reset after flashing the blank vbmeta file. Step 4: Wipe and Proceed to Custom ROM/Root