Electronics Engineering Interview Question:

Explain why does all cellular networks have same shape of SIM? Why is it designed in such a particular shape? Does it have any other shape?

Submitted by: Administrator

All SIM are of same shape because cellular phones when manufactured in industries, didn't know that which SIM the customer is going to use. It has to be universal so that the cellular phones can be used with any network connection SIM.
Submitted by: Administrator