Repair Mode lets technicians fix your Android phone without seeing your personal files or apps. Here's how to enable it.

Android users can now personalize their call screen with a new Calling Card feature in the Google Phone app. Here is a guide to setting it up and customizing how your contacts appear.

Scrolling and streaming suck plenty of power on today's Android phones. Here's how to squeeze the most juice out of your battery, including a new option to monitor battery-hungry apps.

How to enter Safe Mode on your Android phone - and when's the right time to do it ...