If the home screen of your Android smartphone appears blurry or out of focus, here are a few things you can try before you take it to a technician for repair.

The Google Search Bar is a handy tool to have on your phone's home screen. Here's how to add it, or how to remove it if you want to save space.

Fortunately, some home screen launchers -- like the Nova Launcher -- have a built-in backup system. With the backup, you can restore nearly every Nova Launcher setting you've tweaked.

If your phone freezes or runs slowly, a reset often clears up your problems. First, though, you need to protect your data by backing it up. Here’s how.