unlock A520W by msl success
 

Searching Samsung modem... detected COM61
Reading phone info... OK
Model: SM-A520W
AP version: A520WVLU1AQB9
CSC version: A520WOYA1AQB9
CP version: A520WVLU1AQB9
Product code: SM-A520WZKAVMC
Phone SN: R58J64SQBEK
Unique number: CBJ10B961FCD644
Reading IMEI... OK
IMEI: 355227083627414
Reading SN... OK
Phone SN: R58J64SQBE
Enter MSL: 06293960634654382C5B57503302452B
Bypass MSL... OK
Unlocking... OK
Codes set to 00000000
Rebooting phone... OK
Unlock done

Done with Samsung Tool PRO v.29.1

Operation: Unlock
Selected model: SM-A520W
Software version: 29.2

Searching Samsung modem... detected COM480
Reading phone info... OK
Model: SM-A520W
AP version: A520WVLS1AQG2
CSC version: A520WOYA1AQG2
CP version: A520WVLS1AQG2
Product code: SM-A520WZKAKDO
Phone SN: R58XXXXXXXX
Unique number: CBJ107CB7E25D54
Reading IMEI... OK
IMEI: 355XXXXXXXXXXX
Reading SN... OK
Phone SN: R58XXXXXX
Enter MSL: 1A600D1XXXXXXXXXXXXXXXX828281C
Bypass MSL... OK
Unlocking... OK
Codes set to 00000000
Rebooting phone... OK
Unlock done

Done with Samsung Tool PRO v.29.2