Download and read the complete HTC One User Guide

HTC One comes with a small printed Quick Guide, which is definitely not sufficient enough for new user to learn about the phone features and get the best of the phone.

There are 2 ways for HTC One user to learn more and get the best of the phone:

• Tips & Help - it is in your phone inside Settings > About > Help > Tips & Help. There, you will find some video tips as well as detail how-tos about the phone's features and apps. The Tips & Help content is updated from the Internet.
• User Guide in PDF format - this 179 pages User Guide is available in the Internet. Click here to download the HTC One User Guide.

Among the tips are:

• The function of 2-finger swipe and 3-finger gesture.
• Double-tap Home button to see recently opened apps.
• Removing an app from Recently Opened Apps list by dragging it up.
• Capturing the screen by pressing both the Power and Home buttons together.
• Using the Trace keyboard
• Optimizing battery life
• ... and many more