Update issue
I can’t update my iOS version please make sure solved the matters and support me to update my iphone
The screen shot shows the update is downloading.
See the articles below.
Get help with over-the-air iOS updates
Update – Can’t or can’t restore
Have you tried using iTunes on a computer or Finder if running Catalina or later to do the update?
Update software on iOS devices in iTunes on Mac
If you see an error when you update or restore your iPhone, iPad, or iPod
Updating iOS: common issues and solutions
Do you have access to another WiFi network where you can try?