IMEI नंबर क्या होता है और कैसे काम करता है?

I've found my device has 2 IMEI numbers, … imei slot 1 Card slot, microSDXC Internal, 32GB 3GB RAM, 32GB 4GB RAM Contrast ratio: 1614:1 · Camera · Photo Video · Loudspeaker · imei slot 2 Check IMEI code registration status · Online payment for registration by application number · Online registration of mobile device IMEI codes

imei slot 1 imei slot 2 Network1 Card Slot 2 nano SIMs More Standby Mode Dual SIM Dual Standby More 2G GSM 85090018001900MHz More 3G WCDMA B1B4B5B8 More 4G