Memory

Internal
A mobile phone can normally store data in internal memory, a removable SIM card, and external flash memory. The internal memory is built into the phone and used for storing functional information such as menus, together with items you download, such as music, videos and emails. If you’re going to do a lot of downloading, it’s worth getting a lot of internal memory when you choose your phone.

MicroSD
A MicroSD card slot is an expansion slot on a mobile that allows you to increase its memory. microSD is a format for removable flash memory cards. SD is short for Secure Digital. At about the size of a fingernail, a microSD card is the smallest commercially available memory card. There is also a microSDHC card that