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* iPhone lock screen mute solution When we use iPhone on Global cross-border payment trackinga daily basis, we often encounter the situation that the mobile phone has no sound after the lock screen. If this situation is not solved in time, it will affect our normal use. Sometimes this problem may just be a setting problem, but it may also be caused by a hardware failure. This article will introduce the solution to muting the iPhone lock screen. I. Check the mobile phone settings. First of all, we need to check whether the mobile phone settings have been accidentally adjusted or the mute mode is turned on due to software failure. At this time, you can turn on the mobile phone, press the volume button, and observe whether the volume icon on the screen exists. If the icon exists, it means that some applications or system broadcast messages have caused the mute mode to be turned on.And if the icon is not there, you need to check the following problems: 1. To adjust the message prompt tone, first open "Settings" and slide to "Sound and Vibration". In the functions of "Short Message Prompt Tone" and "New Mail Prompt Tone", you can choose to change the prompt tone and choose a louder prompt tone to solve the problem. If you prefer to use the vibration mode, you can try to modify the vibration intensity to solve the problem. Two. Turn off Do Not Disturb Mode iPhone provides a do not disturb mode that allows you to "sleep" for a period of time when you are sleeping, in a meeting, or do not need to interfere, at which time the iPhone is likely to enter Do Not Disturb mode. At this time, you need to open "Settings", click the "Do Not Disturb" function, turn it off, or adjust the mode and choose a mode that will not interfere with you. 3.Turn off the mute switch Sometimes, when using the iPhone, certain actions may cause the mute switch to turn on. It needs to be adjusted at this time. On the right side of the iPhone, there is a volume mode switch. If this switch is turned on, the iPhone will not be able to play music or vibration prompts. You need to use your finger to gently slide up the volume mode switch to make it return to normal. II. Check the hardware. If the above methods still fail to solve the problem, it is likely to be caused by damage to the mobile phone hardware. In this case, we need to carefully check the following parts: 1. Check the iPhone headphone jack. The iPhone headphone jack is usually 3.5mm, and it is often brought by the headphone plug when this happens. Sometimes, the headphone plug is not tight. At this time, you should try to pull out the headphone plug and plug it back in.Check whether the headphone jack can clearly see the headphone plug. If there is dust or other debris in the socket, you can use a small brush to clean it up. Such problems are usually very simple. You just need to remember not to force it in, otherwise it will lead to tearing of the internal organs of the jack. Two. Check the iPhone speakers. The iPhone speakers are located at the bottom and top, and check whether they are covered or damaged, which sometimes happens. Usually, you can use some light music or voice prompts to test whether the speaker is normal. If you find that the speaker is damaged or unusable, you need to send the phone to the Apple Service Center for repair. 3. Check the iPhone microphone on the iPhone. The microphones are usually at the bottom or top. They are mainly used to catch background sounds when talking on the phone or recording videos.If you find that this situation exists, you need to check whether there are debris or other obstacles around the microphone hole. If the microphone hole is close to your ear, you need to clean it. The above is the solution to muting the iPhone lock screen. You can solve the problems one by one according to the above steps to keep your iPhone in normal operation. If you find that some problems still cannot be solved, you can contact Apple customer service or an Apple authorized service provider for repair.

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