1. Under the Standby page, click the "Application" icon.
2. Click the "Set" icon.
3. Click "More" and select "Battery".
4. Click the area you want to look at, such as: screen.
5. On the screen, you can access the display settings.
6. Click on "Brightness" to adjust brightness settings.
7. Click on the "Gray Bar", will show the following picture shows the situation:
Display content:
1. Mobile network signaling activity in weak signal areas will increase battery use (red: no Signal, yellow: 2G, Green: 3G).
2. When not in use, turn off the wireless function to prolong battery life. However, if you need access to data, the WLAN uses less power than mobile network data.
3. When the screen closes, if the phone is in a ' wake-up ' state for a long time, this indicates that the application running in the background is draining the battery.
* this question to I959 For example, the specific operation of your mobile phone actual menu is subject to.