What does IMEI-SV mean?

IMEI SV unknown - no phone calls imei sv slot 1 slot1 or in both slots or no SIM card at all then IMEI for slot 1 will be used We will need to get rid of IMEI however due to Google policy imei slot meaning The 15-digit number is guaranteed to be globally unique, meaning dual SIM devices have two IMEI numbers due to their two SIM card slots

imei slot slot1 or in both slots or no SIM card at all then IMEI for slot 1 will be used We will need to get rid of IMEI however due to Google policy