Operation Manual
Night mode
Enabling Night mode in the evening shifts the display colors from blue to warmer colors, helping to
reduce eyestrain.
1. From the Home screen, tap Settings Display & gestures or Display, gestures &
buttons.
2. Tap Night mode, and then tap the On/Off switch to turn it on.
3. Drag the slider to adjust the color temperature. Dragging the slider to Warmer filters out
more blue light.
4. Tap Enable Night mode automatically to set a schedule when Night mode will be turned on.
Installing a digital certificate
Use client and Certificate Authority (CA) digital certificates to enable HTC U Play to access VPN or
secured Wi-FI networks, and also to provide authentication to online secure servers. You can get a
certificate from your system administrator or download it from sites that require authentication.
§ You must set a lock screen PIN or password before installing a digital certificate.
§ Some apps such as your browser or email client let you install certificates directly in the app. See
the app's help for details.
1. Save the certificate file in the root folder on HTC U Play.
2. From the Home screen, tap Settings Security.
3. Do one of the following:
§ Tap Install from storage if your storage card is set up as removable storage.
§ Tap Install from phone storage if your storage card is formatted and set as internal
storage.
4. Browse to the certificate and select it.
5. Enter a name for the certificate and select how it will be used.
6. Tap OK.
165 Common settings