Android Smartphone Storage

On an Android smartphone, the phone itself has a certain amount of built-in storage, which is home to the Android operating system and the other pre-installed software apps - all the stuff that stays in place even after the phone is "factory reset". The phones usually have some additional storage in the form of an "SD card" - a teeny-tiny flash storage card that is usually removable and replaceable. This is generally true for Android-based tablet devices too.

[caption id="attachment_7018" align="aligncenter" width="300"]micro sd A typical phone Micro SD card[/caption]

This card may be a 2GB, 4GB, 8GB or more, which is considerably more than the typical amount of built-in storage. When you take photos or videos on your Android smartphone, they are usually saved to the SD card by default. When you download and install apps however, they are installed on the phones internal storage. If you are "app happy" and find your apps are starting to fill up your phone, you can also move some of them to the SD card as well. When the internal storage gets full, you can't add apps and the phone performance will suffer.

Now, there are ways to move almost all the apps to the SD card if your device is "rooted" (hacked to allow compete access to Android), but most people will be quite happy just moving some of them - and, yes, there's an app for that. The one I have used is "App2SD", which is available from the Google Play store (it requires Android version 2.2 and later, which most users will have).

On some versions of Android, you may be able to move apps with out needing the additional app. Digging in a little deeper, you should also be able to install to the SD card by default (so you don't need to move the apps there later).

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