Huawei M835 User Guide - Manual (Page 14)

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Allow the battery to charge for a few minutes with the phone powered off before
attempting to power on the phone.
• The battery will not hold a charge for the way it did when it was new. When the
battery life becomes noticeably shorter than usual after being charged properly,
replace the battery with a new one of the same type.
• Using data services increases demand on the battery and will reduce the length of
time it can hold a charge.
• The time required to charge the battery depends on the ambient temperature and
the age of the battery.
• When the battery is low on power, the phone plays an alert and displays a prompt.
When battery power is almost exhausted, your phone will power off automatically.
2.2.4 Battery Saving Tips
The longevity of battery power depends on the network that you connect to, and how
you use your mobile phone.
Try the following to conserve battery power:
• When your mobile phone is not in use, switch off the screen.
• Reset the time it takes for your screen light to switch off when you leave your phone
idle.
• Lower the screen brightness.
• Use normal wallpaper rather than live wallpaper.
• Use the AC adapter to plug your phone into an external power source whenever
possible.
• Turn Bluetooth off when you are not using it. Only make your phone visible to other
Bluetooth devices when you need to establish a Bluetooth connection.
• Switch off Wi-Fi when you are not using it.
• Turn off your phone connection to GPS satellites when you are not using it.
• Lower the volume.
• Close power-draining programs, when you do not need them.
• Turn off the data service.