iOS 15 User Guide: A Detailed Manual for Beginners and Pros on How to Make Full Use of iOS 15

A full and very detailed guide on iOS 15. A step-by-step explanation on 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.
What’s new:

FaceTime
Messages
Memoji
Focus
Notifications
Maps
Safari
Live Text
Visual Look Up
Photos
Notes
Reminders
Health
Weather
Privacy
iCloud+
Accessibility

This iOS 15 user guide covers iPhone models back to iPhone SE (1st generation).