HMD Fusion X1 user guide

1. Mute unnecessary sounds, such as touch sounds. Tap Settings > Sound & vibration, and select which sounds to keep.
2. Use wired headphones, rather than the loudspeaker.
3. Set the device screen to switch off after a short time. Tap Settings > Display > Screen timeout and select the time.
4. Tap Settings > Display > Brightness level. To adjust the brightness, drag the brightness level slider. Make sure that Adaptive brightness is switched off.
5. Stop apps from running in the background.
6. Use location services selectively: switch location services off when you don’t need them. Tap Settings > Location and switch off Use location.
7. Use network connections selectively: Switch Bluetooth on only when needed. Use a Wi-Fi connection to connect to the Internet, rather than a mobile data connection. Stop your device scanning for available wireless networks. Tap Settings > Network and internet > Internet, then switch off Wi-Fi. If you're listening to music or otherwise using your device, but don't want to make or receive calls, switch the aeroplane mode on. Tap Settings > Network and internet, then switch on Flight mode. Flight mode closes connections to the mobile network and switches your device's wireless features off.

For EU countries only.

Tap Settings > Battery > Battery info.

If you replace the battery of your device, update the battery information.

Tap Settings > Battery > Battery info > more_vert > Replace battery. Enter the serial number of the new battery. The serial number is a code you can find on the battery label.