About iOS 15.7
I can download iOS 15.7 update on my phone but it does not install
iPhone SE, iOS 11
Check all of these carefully:-
· Plenty of spare storage – 6GB at least.
· on charge with more than 20%, OR
· off charge with more than 50%
· low power mode turned off.
· Check you have no Beta profile installed. (Check Settings, General, VPN & Device Management)
· no VPN installed (Check Settings, General, VPN & Device Management)