I mean, you can't really get much simpler than the process, I've got to be honest. Settings > General > Transfer or Reset iphone. It's the first google search

I mean, you can't really get much simpler than the process, I've got to be honest. Settings > General > Transfer or Reset iphone. It's the first google search result from "how do I reset my iphone". It works 100% of the time and is so simple my mom figured it out on her own. https://support.apple.com/en-us/108931 https://support.apple.com/en-us/108931