Xhorse Dolphin XP005 BIOS Upgrade Failed Solution

Question:

I tried to update xhorse dolphin xp005 key cutting machine but failed.  I have done repair 1 and repair 2 still not updating and dolphin machine saying bios. Any solution?

Solution:

Upgrade dolphin xp-005 with xhorse upgrade kit.

Select Dolphin device

Do Repair data-> Fix internal error 1-> Fix internal error 2-> Clear All (3 times)

Then update software.