Mobile phone speakers have noise, how to do it?
After the above investigation is still appear noise, it is recommended to back up mobile phone information (phone number, SMS, photos, etc.) to carry mobile phones, purchase invoices and warranty card to the local OPPO customer service center testing.
3, the speaker hole foreign body block or enter the dust impurities, it is recommended to customer service center to deal with;
2, the speaker hole in the back of the phone position, playing music placed on the paper above the noise;
1, play the file is a problem, such as playing music, online video noise, it is recommended to replace the playback resource comparison;
