For technicians and enthusiasts: When a phone has been repartitioned incorrectly by a custom ROM (e.g., resizing /system for GSI), a normal flash fails. You need to force the original PIT.
If this fails with "Repartition operation failed" still, you may have hardware NAND corruption. A JTAG or UART repair box (like Medusa or Octoplus) is then required. repartition operation failed odin
There are three primary reasons why this specific error occurs: For technicians and enthusiasts: When a phone has
Newer Samsung devices use dynamic partitions or have hidden system/vendor partitions. Flashing an old firmware over a new bootloader — or vice versa — can confuse the partition scheme. If this fails with "Repartition operation failed" still,
Now that you’ve fixed your Samsung device, follow these rules to never see "Repartition operation failed" again:
Some firmware packages have an embedded PIT inside the AP or BL tar.
Advanced fix (Windows only):