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There is Global trade news aggregationno sound in the iPhone external playback, which is a common problem, and it is easy to make people feel frustrated and confused. Especially when you urgently need to use the external playback function, you find that the volume does not turn up, which is not only inconvenient, but also a little annoying. At this time, how can we solve this problem? Next, I will introduce some useful ways to solve the problem of no sound in iPhone external playback. Method 1: Turn on the iPhone mute switch. For some users, this problem may be very simple. If your iPhone is silent, the first thing to check is whether your silent switch is on or off. IfIf you don't know where the mute switch is located, it is located on the left edge of the iPhone, near the top of the volume control button, which can turn on or off all system sounds. Method 2: Check whether the volume is adjusted to the minimum. If the mute switch has been turned off, but the sound is still not heard when using the speaker, then you need to check whether the volume has been adjusted to the minimum. You can try to press the volume + or volume - key to check whether the volume level has reached the maximum. Method 3: Clean up the speaker and interface. If the mute switch has been turned off and the volume has been adjusted to the maximum, but there is still no sound, it may be because there is dust, dirt or other sediment in your speaker or interface, resulting in the inability to transmit the sound normally. You can use a soft brush to gently clean the speaker grid and Lightning interface, or use a micro vacuum cleaner to remove dust and other substances.Method 4: Check whether there is a protective cover for the headphone jack. In order to prevent dust and dirt from entering the headphone jack, some users fix the protective cover to the jack, which will prevent sound transmission. If you use this kind of protective cover, you can remove it and try to listen to the sound with the external player to see if there is any sound. Method 5: Restart your iPhone. If your iPhone has tried the above methods and there is still no sound, you can try to restart your iPhone. This method will be helpful for most problems. You can press the key for a long time and "slide to turn off", and then turn it on again. Method 6: Upgrade the system. If all the above methods can't solve the problem, it may be because your iPhone needs to be upgraded. OperatorThe method is very simple. First, make sure that your iPhone is connected to the Wi-Fi network, then enter the settings, click "General", and select "Software Update". At this time, your iPhone will check whether the system can be upgraded. If so, upgrade the system easily. In short, when we use iPhone, we may encounter all kinds of problems, such as the "outplay silent" problem, but most of them have solutions. We just need to calm down and try more simple and practical techniques to help us solve these problems, so that our iPhone can serve us better and bring us a better user experience.

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