Secure Digital memory cards are used in a wide variety of mobile phones to store everything from contact information to music and movies that you can play on your phone while you’re on the go. Before you can use an SD card, it must be formatted for your particular device. Formatting may also be necessary for cards that have been used for some time or were used previously in other devices. The formatting process varies slightly from one mobile phone to another, but the basic process is the same. Tips Warnings
