verikool s4002 dead reset all settings

Action : Reset all to default
Tips:
1.Remove Battery, Insert usb cable, Insert battery
2.power off Phone, Remove & Reinsert Battery , insert USB Cable
(In Case Some Phone Required to hold bootkey)
Waiting for Phone Usb…
Phone found [ USB Port:COM26 ]
Connecting…
Connection Done.
Read CPU Info…
CPU_ID: 6571
CPU_SW: 0000
CPU_HW: CA00
uploading boot image to RAM…
Error: 0xed [boot].

Action completed
Time taken : 00:00:01
Reconnect Battery/USB Cable
CS-Tool Ver 1.39.3