Kontrollera volymknappen så den inte står på mute. 'To un-mute your system and app sounds, just check the mute switch above the volume rocker. Sliding it all the way up, so that the little red dot is not being shown.'
Koppla in hörlurarna och Kontrollera volymen upp/ner samt ljudet igen.
IOS kan ha problem med följande: 'Toggle button was set to screen lock, not mute, in settings. However, I changed the setting to mute, and then back again to screen lock. That fixed the problem. Clearly, this is a bug that needs fixing.'
