A lot of portable electronic devices use a memory card for storing data images MP3 tunes etc. With these cards you can increase your storage capacity just by replacing the original card with one of a higher capacity.These cards allow you to manage the memory on your phone backup the contents protect from theft loss or damage. Store your phonebook data images video clips etc. Image for display purposes only. Backup contents of your phone protect from loss theft and damage. Store your phonebook data images video clips MP3 ringtones melodies. Whatever is on your phone can be stored on a memory card Manage the contents of your mobile phone more efficiently by storing less frequently used data on a separate card Transfer data or images to your PC Take the memory card to a photo developer to print out the images on it.