Software update to iOS 14.0 please

If you are using an iPhone 6 or older than you cannot, and you need a new phone.

If you have iPhone 6S or later then Update the iphone like this

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)

KB Article - Iphone will not update

If your iPhone or iPad won't update - Apple Support