User Guide

Settings and security
Turning Airplane mode on or off 169
Turning automatic screen rotation off 169
Adjusting the time before the screen turns off 170
Adjusting the screen brightness manually 170
Playing a sound when selecting onscreen items 170
Changing the display language 170
Accessibility settings 171
Working with certificates 171
Assigning a PIN to help protect your SIM card 171
Setting a screen lock to help protect HTC One 172
Checking your phone's HTC Sense version 173
Navigating HTC One with TalkBack 173
Trademarks and copyrights
Index
5 Contents