According to technical guides from Scribd and Data Recovery BD , the tool provides deep access to a drive's internal systems:
This is where SeDiv's advanced features come in. If Selfscan reports that there are too many bad sectors on one head, you can use SeDiv's powerful Region Shift function. This remaps the entire firmware location from the faulty head to a good head, allowing the drive to operate again. This is a repair that free or cheaper tools simply cannot perform. sediv 2350 hard drive repair tool full work 272
Since using a cracked version is dangerous and unreliable, your only safe option is to obtain the software through official channels. According to technical guides from Scribd and Data
When a drive is detected as "busy," has 0GB capacity, or is clicking due to firmware corruption, standard computers cannot communicate with it. This is where SEDIV shines. This is a repair that free or cheaper