How can I update without WiFi please
How to update without wifi
iPhone XR, iOS 14
Question marked as
Top-ranking reply
You need WiFi or a computer connected to the internet to update.
Update your iPhone, iPad, or iPod touch - Apple Support
need more storage for update?
If you need more space for an update on your iPhone, iPad, or iPod touch - Apple Support
issues?
Updating iOS: common issues and solutions - Apple Community
video..