No sound on IPhone, IPad
Check your sound settings
Open Settings > Do Not Disturb and check that Do Not Disturb is off. If you're using an iPad,
you can also swipe down from the top-right corner to view Control Center and make sure
the mute button and Do Not Disturb button aren't enabled.
Other options to try.
Option 1: check the mute switch on the side of your device, next to the volume keys.
If you still have no sound, try option 2.
Option 2: Double tap the home button. A menu of recently used apps will appear at
the bottom of your screen. Swipe that menu from left to right, and another menu will
appear that has a speaker icon with a line through it. Tap the speaker icon to disable mute.
Option 3: Open Settings > Use Side Switch for > Switch from rotation lock to mute.
Go back to the app and check for sound.