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.

How to fix a black-and-white phone screen There are a few things that cause a black-and-white phone screen. That means there are many simple and straightforward fixes you can try.

Do you have vertical or horizontal lines on your phone screen? Learn what the issue is on Android and iPhones, and how you can fix it.