What are the 3 types of SIM cards?

There are three basic sizes of SIM card: the standard, the micro, and the nano . Of the three, the Standard is the original SIM and the largest. Today, these are mainly used on older phones. The Micro SIM card is essentially a standard SIM card with the extra plastic around the circuit board trimmed off.

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Which SIM card is the best?

If you need higher speed 4G services, Airtel Sim would be the best for you. Both 2G and 4G phones are compatible with Airtel Sim. However, if you are looking for wide coverage at cheaper rates, Jio is considered to be the best. To use a Jio Sim, you would need a 4G supported mobile.

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