1, the brightness setting of the navigation backlight LED is not reasonable, when the brightness is too bright to check the screen brightness, if you are also a designer, you may set the current limiting resistance to be larger in order to reduce the current consumption when the screen is lit;
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2, check whether the machine has the screen saver function, if it has to open it, you can also manually shut down by pressing the power button, this method can effectively reduce the temperature of the touch screen;
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3, there is usually a display driver board behind the LCD screen, and there is a large driver chip on the board, it is also a very main temperature source, the working temperature of the machine itself, the machine has memory, and power amplifier IC, etc., can be solved by strengthening heat dissipation and ventilation.
1. Close unnecessary background programs. If intelligent manager (or memory manager) is supported: the program that does not need to be automatically run is closed through the intelligent manager (it is recommended to set instant messaging software such as wechat and QQ to \"open\").
2. Turn off wireless, Bluetooth, GPS and other functions when not in use.
3. If the device is hot and the battery standby is shorter than before after you download some third-party applications, you are advised to uninstall the applications from the device.
Car navigation fever, it is likely that the navigation software is not compatible, try to restore the car Android system factory Settings, and then update the navigation software, if not, it is recommended to try another navigation software.