Banghua A9 (Mobile/Unicom version)

Hello, landlord, this situation should be caused by a system error. You can try to restart it. If you can't, just backup the data and restore the factory settings.

1. Good thermal insulation: the thermal conductivity of copper is 1.8 times that of aluminum. There will be some heat loss during heating, and the use of copper aluminum tubes as online tubes will transmit to the outside world [Detailed]

Hello, if both the internal and external screens are broken, you can replace the screen assembly.

Open your smartphone, select the menu bar to enter the main menu bar, and select the setting menu. Select the display menu, click the key, and the duration of the light is not on now [Detailed]