Today’s mobile phones often come with rich multimedia features that require a lot of memory to use properly. Understanding the different kinds of memory is very important in choosing the right phone.
The most basic form of memory is the internal memory that comes built in to the phone. This doesn’t require any additional cards but is usually very small: only a few tens of MB. However there are some phones like the Sony Ericsson W600 which has 256 MB of internal memory which may be sufficient if your multimedia needs are moderate.
More typically your media files are stored in expandable memory through memory cards. You should check that your phone has an expandable memory slot and, if it does, what memory card format it accepts. There are a variety of formats: mini SD, MMC and so on. Several of these formats are used in other portable devices, so it might be possible to share a memory card between, say, your digital camera and mobile phone.
Finally a few high end models are now available with hard drives large enough to replace memory cards: for example the Nokia N91 which comes with a 4 GB hard drive.
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Memory Card | MMC | SD Card
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