Want to change the imagery on your smartphone? You'll find plenty of help with the best wallpaper apps. We've rounded up the top apps for both iOS and Android.

The fun part, at least for me, is watching a Live wallpaper (or photo) in action. You can do that by touching and holding the lock screen. Live wallpaper options available on the iPhone 12 Pro Max.

'Smart wallpaper' that can boost WiFi signal in your home by up to ten times and allow for even smaller internet-connected devices has been developed by MIT researchers.

Dezeen promotion: a personalised flower generated by an algorithm has won the wallpaper category in the Samsung Mobile Design Competition. Created by Finnish designer Kalle Järvenpää and titled ...