Apple mobile phone bar speaker for a while and a moment ago.

1. Please confirm whether the volume button is pressed or damaged.

2. Uninstall the recently downloaded and installed third-party software.

3. Back up the data in the mobile phone (contacts, text messages, pictures, etc.). ), and then restore the factory settings. If the problem still exists, it is recommended that you take the purchase invoice, maintenance card and machine to the local service center, and professional engineers will help you test it. IPhone is a series of mobile phones with iOS operating system released by AppleInc. as of April 20021,apple Inc has released 24 mobile phone products, the first generation: IPhone, the latest version: iPhone 13mini, iPhone 13, iPhone 13Pro and iphone13prom. The mute button of iPhone series products is on the left side of the front of the device. Before the iPhone5, this model used a 30-pin (30-pin) interface, and after the iPhone5 (inclusive), this product used a Lightning interface. The Home button was configured on the previous model of iPhoneX. After iPhoneX (inclusive), the physical Home key was cancelled.