Wallpaper can get blurry for three main reasons. Firstly, you can activate the “Blur wallpaper” effect from the customization settings. This mostly happens on iPhones. Secondly, if you set low ...

In case you've changed a wallpaper, only to notice that the top-half of your iPhone's lock screen has gotten blurry, you're not alone — and there's nothing wrong with your iPhone's screen.

For example, you might unlock your phone or exit an app to find that your Home Screen wallpaper is blurry, or that the entire screen looks out of focus. The reasons for such visual problems can ...