The Bluetooth sound of oppo mobile phone suddenly became smaller.

The volume of the mobile phone automatically decreases. Please refer to the following methods for troubleshooting:

1, the power-saving mode of the mobile phone is turned on. When the power is low, the playback volume is automatically turned down to avoid rapid power consumption, and the power-saving mode can be turned off.

2. If conditions permit, it is recommended to replace the headphones for comparison;

3. The mobile phone software version is out of order, so it is recommended to update to the latest official version or refresh the system; It can't solve the problem that the volume of mobile phones often automatically decreases. Please back up your mobile phone information (phone number, SMS, etc.). ) and send it to the local customer service center together with your mobile phone invoice and warranty card to help you check and handle it.

Common faults of OPPO mobile phone 1 and solutions: when the touch screen film is thick, the mobile phone will appear black screen and crash. This is because the film pasting reduces the light transmittance and inductive value of the touch screen, which makes the mobile phone misjudge as sticking to the face, so the LCD is turned off and the power-saving mode is entered.

Solution:

Tear off the protective film of the mobile phone touch screen, or dig a hole in the protective film near the lamp.

Phenomenon 7: I feel that the standby time of smart phones is short.

Solution:

1 fully charged before going out, and the power saving mode of the mobile phone is turned on.

2 When you are not using WLAN, Bluetooth, GPS or data services, please turn off the corresponding functions.

3 If you don't use this software, please turn it off to save electricity. Method: Enter the settings-> Application->; Run the service and select the corresponding program to close.

2. The mobile phone generates heat during charging or use.

Solution:

When the mobile phone is surfing the Internet and playing games that require high CPU, the RF PA or CPU runs at high frequency, which consumes a lot of power, and the mobile phone will generate a certain amount of heat, which is a common phenomenon in smart phones.