iPhone User Guide for iOS 12.1.1
This book can be downloaded and read in Apple Books on your Mac or iOS device.
Here’s everything you need to know about iPhone, straight from Apple. This definitive guide helps you get started using iPhone and discover all the amazing things it can do.
Very good and clear
The format of this app is very clear and has helped me with my needs. Besides, it’s free and professional so you can’t really complain.
What mess me sad
When somebody text me when he’s on the points with me when people annoy me when people are nasty