Learn how to improve battery life on your Huawei Ascend Mate.
On the home screen, touch Settings icon then the All tab.
Under DEVICE, touch Power Manager.
From the settings screen, you can:
Touch Intelligent mode to save power and maximize the standby time.
Touch Normal mode to enable normal power saving mode.
Touch Optimum performance to have your phone work in its best performance mode without any power saving operations.
When you do not need Internet access, open the notification panel and touch Date services icon to turn off your mobile data connection.
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.
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.
Close applications that are not in use.
Decrease the tone volume.