SGH-ZV40 unlock failed


Operation: Unlock
Selected model: SGH-ZV40
Software version: 20.5

Searching Samsung modem… detected COM106
Reading phone info… OK
Model: SGH-ZV40
Phone version: ZV40BUFJ3
IMEI: 359312004049199
Reading data from phone… OK
Calculating… error

Done with Samsung Tool v.20.5