The issue could be due to a hardware problem or a software one. The first and most obvious reason that sound may not be working on your iPad could have something to do with the settings. You might have accidentally activated the mute feature, or you may have connected the iPad to external speakers. If that is true, then it will not be able to play sound on its own.
Jonny Lin. Having no sound on your iPad? Many iPad users are having the same no sound issue on their tablet. This is a very frustrating issue.
In this case, you could be dealing with a system issue if not hardware damage. Feel free to refer to this walkthrough whenever you need more inputs in troubleshooting audio malfunctions like no sound issue on your iPad Pro. Find issues that are similar with yours and use the solutions we suggested. If you still need our help after that, then feel free to contact us by filling up our iPad issues questionnaire. If your iPad Pro has no sound , then try to check and make sure that the iPad is not set to mute. The quickest way to see if your iPad is set to mute or ring mode is through the Control Center. You can use sound-enabled apps to test your device after performing each of these subsequent methods. The first recommended and simplest possible solution to software-related issues in iOS devices is a soft reset.
If you can't hear a person's voice clearly, hear crackling, hear static, or have issues with sound quality, learn what to do. Remove all screen protectors, films, or cases from your device. Check the speaker opening to see if it's blocked or dirty. On iPhone only, make sure that the receiver is not blocked or dirty.