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What do u mean by19 digit of SIM Number
Because original nano sim card is 4g coverage
19 digit number Is a serial number
Frequent coverage loss. Reduced coverage (signal strength). No 4G while they were in an area covered with 4G. After the SIM swap, 4G magically appeared:) Call drops. Slow ... Voir Plus
The thickness of normal SIM is higher when compared to nano SIM, about 15% Secondly it is not advisable to alter the SIM provided by the service provider. When a norm ... Voir Plus
It SIM ICCID Number (ICCID = IC Card ID) - digit1 -2 = GSM number - digit3 -5 = Country Code - digit6 -7 = Network Code - the rest are manageable SIM number
Sim=subscriber i dentity module , which is a integrated electronic circuit which works on low power, 19 digits of sim number is for identification of sim for example xx ... Voir Plus