Device Guides
Apple iPhone 11
Change device
iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.

Buy now
Search in Apple iPhone 11
I can't use of one my apps
This troubleshooting guide will take you through a number of possible causes
to help you find a solution to your problem.
Update your mobile phone with the latest software.
Possible cause 2:
Your mobile phone's software hasn't been updated to the latest version
Solution:
Update your mobile phone with the latest software.
Update phone software
Tap Settings.
Tap General.
Tap Software Update. If a new software version is available, it's displayed. Follow the instructions on the screen to update the software on your mobile phone.