How to check IMEI SV in vivoT1 44w phone

When you set up a new SIM, you may need to give your carrier your phone's IMEI 1, IMEI 2, or EID numbers Find IMEI Find your phone's

The Type Allocation Code is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices

imei slot 1 and 2 1 has IMEI SV unknown, 2 has 01 I suspect the lack of IMEI SV number is the reason why SIM 1 cannot makereceive calls Both SIM slots have

imei slot 1 imei slot 2 slot for such While it's not available worldwide and can often ; 下载2ndLine