If the phone cannot be forced into Download Mode (it loops on a Samsung logo or stays black), it is considered a "Hard Brick." Unlike a soft brick, this cannot be fixed at home with Odin. It requires a or EDL service (hardware repair tools) to rewrite the partitions manually.

I) Using wrong flashing mode

Several factors can contribute to the occurrence of the "Re-partition operation failed" error. Some of the most common causes include: