The ICCID is a 19- or 20-digit number printed on the SIM card itself. Its structure is divided into several segments. The ...
The only exception would be emergency calls to 911, which you can place even without a SIM card. ICCID (Integrated Circuit Card Identification Number): This is a unique 18-22 digit code that is ...
If you purchased your device from T-Mobile, the SIM card is probably installed. If not, you must provide your phone's IMEI ...