What does IMEI-SV mean?

IMEI SV unknown - no phone calls imei sv slot 1 Looking at the imei parameters I noticed that the imei sv is: unknown, slot 2 nano sim imei sv: 01 works very installed imei slot 1 or 2 If your phone has two SIM slots, you will see two IMEI numbers in the phone's settings The IMEI number for the first SIM slot is usually listed

imei slot 1 imei slot 2 IMEISV is the code that identifies the mobile phone and the version of its software