• Set the screen brightness to a low value.
Tap
> brightness. Switch automatic adjustment to off
• Set the phone volume to a low value.
Press the volume button to lower the volume.
Tap
> ringtones + sounds. Follow the onscreen instructions to disable
unwanted sounds, such as keytones and touch sounds.
To conserve battery power, use a headset to make calls or listen to music.
• Turn off Bluetooth.
Tap
> Bluetooth. Switch Bluetooth to off
• Turn off .
Tap
> Wi-Fi. Switch Wi-Fi to off
• Turn off GPS.
Tap
> location. Switch GPS to off
• Powering your phone on and off
Powering on
Press and hold the power button until your phone vibrates.
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