4th Edition. — Papercut Limited, 2022. — 333 p. — (The Complete Manual Series).
A full and very detailed guide on iOS 15. A step-by-step explanation of how to set every feature that iOS 15 offers.
Updating your existing iPhone to the most recent version of iOS will give you access to the newest iPhone features. As well as explaining the changes and upgrades, this guide will assist you in mastering everything related to iOS (new and old features), your iPhone, and the Apple ID connected to it.