Is it possible to repair C62 using Cruiser.
 

I got the problem after upgrade firmware from 20 to 26. I did it for unlock user code, bkz cruiser unlock sw. 25-28.
After I flash 3 files mcu+lp+cust the phone only beep when power on and nothing on screen - only blink slow one time.
Please adwise me how to repair it with cruiser. I have full backup from another working c62.

yes write that Full backup and let me know