A520 8.0 Unlocking MSL code error

Unlocking with original MSL code:


Operation: Unlock
Selected model: SM-A520F
Software version: 34.2

Searching Samsung modem... detected COM117
Reading phone info...
Model: SM-A520F
AP version: A520FXXU7CRHA
CSC version: A520FEVR7CRI1
CP version: A520FXXU7CRH9
Product code: EVR
Phone SN: R58J45JH9PD
IMEI: 358651081002543
Unique number: CBJ108D6E59E924
Reading IMEI... OK
IMEI: 358651081002543
Reading SN... error (1)

Done with Samsung Tool PRO v.34.2