Learn how to improve battery life on your Huawei Ascend Mate.
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On the home screen, touch Settings icon then the All tab.
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Under DEVICE, touch Power Manager.
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From the settings screen, you can:
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Touch Intelligent mode to save power and maximize the standby time.
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Touch Normal mode to enable normal power saving mode.
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Touch Optimum performance to have your phone work in its best performance mode without any power saving operations.
Save battery power
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When you do not need Internet access, open the notification panel and touch Date services icon to turn off your mobile data connection.
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When you do not need wireless data services, such as GPS, Bluetooth, or Wi-Fi, open the notification panel, and touch GPS icon, Bluetooth icon, Wi-Fi or to turn off these services.
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Touch Menu > All > Display to reduce the screen brightness and screen timeout period. Press Power key to turn off the screen when your phone is not in use.
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Close applications that are not in use.
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Decrease the tone volume.