Repartition Operation Failed Odin -

Samsung has a bootloader anti-rollback mechanism (e.g., v4, v5). If you try to flash Android 9 (bootloader v2) over Android 10 (bootloader v3), the phone rejects the old PIT structure. Result: Repartition operation failed.

Every firmware version corresponds to a specific PIT file (Partition Information Table). Samsung changes partition sizes frequently (e.g., allocating more space for system updates).

3.1 Metadata inconsistency

3.2 Locking and concurrency issues

3.3 Hardware faults

3.4 Resource exhaustion

3.5 Software bugs and version mismatch

3.6 External factors

Samsung devices have a 5-tier binary security system (e.g., U1, U3, U4, etc.). repartition operation failed odin

This is a safety feature on Samsung devices. Samsung firmwares have a "Binary" or "Bit" number (e.g., Bit 1, Bit 2, Bit 3, etc.). You cannot downgrade this number while repartitioning.