I’m stuck on my software update option

Phone will not update 

Check all of these carefully:- 

you are on a good Wi-Fi, (from 15.4 iPhone 7 up, you may be offered cellular update)  and  that the router is connected to the internet. 

Plenty of spare storage – 6GB at least. 

Low power mode turned off and on charge with more than 20%, or off charge with more than 50%

Check you have no Beta profile installed. (Check Settings, General, VPN & Device Management) 

no VPN installed (Check Settings, General, VPN & Device Management) 

Resources:- 

Update iphone 

Update your iPhone or iPad - Apple Support 

Learn how to update your iPhone via recent Macs here:--> 

Update your iPhone, iPad or iPod touch with the Finder – Apple Support (UK) 

or older Macs and PC here:--> 

Update your iPhone, iPad or iPod touch with iTunes – Apple Support (UK)