sm-j250g wher find MSL code?

Checking phone at COM64 OK
Reading phone info... OK
Model: SM-J250G
Country code: OPP
Factory SW: J250GDXU1ARA2
Unique number: CQE00B788C62515
IMEI: -------------------
IMEI 2: 00000000000000
Reading SN... OK
Phone SN: R28K41AG5G
Enter MSL: canceled
Operation aborted

Done with Samsung Tool PRO v.33.2