Remove the mystery from your Android phone or tablet.

Android settings

What the options in Android's Settings menu do and how they work.

Android guides

How-to guides for using Android devices.

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Shows actions for which this app may be set as the "default" for this app, and allows removing previously set defaults.
Information and options that can be applied to groups of apps or many apps at a time.
List all apps on your device and the storage space and data they have used, and control their permissions and defaults.
Control the app's ability to create notifications or show them on the lock screen.