How to standardize trade documentation

iPhone call no sound (fix iPhone call mute problem) iPhone is How to standardize trade documentationa very well-known smartphone launched by Apple.It has many good functions, such as high-definition camera, intelligent voice assistant, high-speed network speed, etc. In a word, this mobile phone is undoubtedly one of the indispensable tools for modern people. However, sometimes, users may encounter some problems when using iPhone to make calls, one of which is the problem that there is no sound on iPhone calls. This kind of problem is very troublesome. Let's see how to fix it. 1. Confirm the silent switch settings of iPhone. When using iPhone calls, users often forget to check whether their silent switch settings are turned on. Therefore, if there is no sound on your iPhone call, first check your mute switch settings. The silent switch has many different positions on the iPhone, generally in the upper left corner or the upper right corner, and its shape is a vertical switch.If you find that your mute switch is in the "mute" state, please switch the switch to the "non-mute" state so that you can hear the other party's voice. Two. Adjust the volume control. If the mute switch is not turned on and you still can't hear the other party's voice, then you need to adjust the volume control. After answering the phone, you can try to increase the volume and make the other party's voice louder until you can hear a clear voice. 3. Check the headphones. Sometimes, people use headphones to make calls. If your headphones are incorrectly plugged into the iPhone, you may not hear the other person's voice, or your other party may not hear your voice. Therefore, check whether your headphones have been correctly plugged into the headphone jack on your iPhone. If you use Bluetooth headphones, you can check the Bluetooth settings from the settings to ensure that they are connected to the correct device.If your Bluetooth headphones still have no sound, you can try using other headphones or continue to read the next step. Four. Restart the iPhone. Sometimes, due to some temporary problems, your iPhone may have some problems, such as the sound does not work. In this case, you can try to restart your iPhone. The method is very simple. You just need to press the power button for a long time, and then move the sliding button to turn off the power. After waiting for a few seconds, use the power button to turn on the iPhone again, and then try again to see if you can hear the other party's voice. 5. Software update If your iPhone has not solved the problem of no sound on the call, you may need to update the software. Apple often launches updates to fix some known problems, including sound problems. Need to checkCheck if your iPhone has available updates, open the "Settings" app and select "General" - "Software Update". Here, you can see the list of available updates. If there is an update available, just click "Download and Install". 6. Restore iPhone If there is still no sound on your iPhone, the best solution is to restore your iPhone to the factory settings. Please note: This will delete all data and application files, so be sure to back up all your data first. To restore your iPhone, select "General" - "Restore" - "Erase All Content and Settings" in the "Settings" app. Just follow the instructions on the screen. To sum up, no sound on iPhone calls is a very troublesome problem, which can affect your work and personal life.However, after some simple operations, you can try to solve this problem and let you enjoy a high-quality call experience again. If the problem has not been solved after trying all these methods, the best solution is to contact Apple's professional technical support team and ask them to help you solve the problem.

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