Clean Master

If you're running low on space on your Android device, Clean Master makes it easy to identify what's hogging your storage, and helps you get rid of it.
 Once you open Clean Master, you'll get some graphs showing your used and unused space on the device's onboard storage and SD card, but most of the action takes place in the History section of the app. Here, you'll see the cache size of all of your installed apps, which you can delete selectively or with an automated "Clean" option that gets rid of most caches, but saves important ones. Another tab shows you residual files left over from apps you've deleted, and lets you trash them with just a tap.

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