Advantages & Benefits of SIM cards

Benefits of SIM Cards

If you’re a cell phone user whose carrier uses the GSM standard such as T-Mobile, AT&T, Vodafone and others, your phone includes a tiny electronic card that offers a lot of value. The card is called a SIM card and it can maintain your preferences. Just as important, this removable smart card can secure your data.

Part of the problem with cell phones is that they are complicated compared to a regular land line phone. As a result, few people take advantage of all the features. One area people overlook is using the SIM card. I’ve known friends who have recycled or sold cell phones without removing these cards.

All GSM phones need a SIM card to run. Some of the newer phones that use a 4G LTE  network also need the card even though they are on a CDMA system. A SIM card is a tiny printed circuit board that identifies you to the phone network. Each carrier has their own SIM cards and they can vary in size based on the phone. Your cell phone may come with one or you can buy them from retailers. The picture below shows an example of a card I bought years ago from the old Cingular network.