User Guide

Settings and security
Turning Airplane mode on or off 164
Turning automatic screen rotation off 164
Adjusting the time before the screen turns off 165
Adjusting the screen brightness manually 165
Playing a sound when selecting onscreen items 165
Changing the display language 165
Accessibility settings 166
Working with certificates 166
Protecting your SIM card with a PIN 166
Protecting HTC One with a screen lock 167
Checking your phone's HTC Sense version 168
Navigating HTC One with TalkBack 168
Trademarks and copyrights
Index
5 Contents