or an "only official released binaries are allowed to be flashed" error. 🛠️ Summary of the Process Galaxy M31
The community’s most clever workaround for the M31 is the use of a . vbmeta samsung m31
In simple terms, vbmeta acts as a digital seal of approval. When your Samsung M31 powers on, the bootloader checks the vbmeta partition to verify that the system, boot, and vendor partitions haven't been tampered with. This is part of Google’s standard. or an "only official released binaries are allowed
Example command to create a vbmeta with avbtool (if directly creating): When your Samsung M31 powers on, the bootloader
The Samsung M31 reached its end-of-life for major Android OS updates in , though it continues to receive occasional security updates through 2025 . This makes custom modifications involving vbmeta increasingly popular for users wanting to run newer unofficial Android versions.
You must first unlock your bootloader (Developer Options > OEM Unlocking). Exact Firmware: You need the stock firmware that matches your current Build Number Binary Version Odin Tool: