There is no sound on the Ios 14 mobile phone.

The reason for this problem is that the related functions of the system are closed. The solution and specific operation steps are as follows:

1. First find the WeChat app on your mobile phone, click Open, as shown in the figure below, and then go to the next step.

2. Secondly, after completing the above steps, click the setting option in WeChat, as shown in the figure below, and then go to the next step.

3. Then, after completing the above steps, click the new message reminder option, as shown in the figure below, and then enter the next step.

4. Then, after completing the above steps, turn on all switches, as shown in the figure below, and then proceed to the next step.

5. Finally, after completing the above steps, turn the sound of the mobile phone system to the maximum, as shown in the figure below. In this way, the problem is solved.