Cant hear or speak on calls after update

Hi zoefromglasgow,

Welcome to the Apple Support Communities! I'm sorry to hear you are having these issues with your iPhone after a recent update. If you continue to have issues making/receiving calls or talking/hearing through the receiver, you may find the troubleshooting steps outlined in the following articles helpful:

If you can't make or receive calls on your iPhone - Apple Support

If you can't hear a person on a call or voicemail or if the sound isn't clear on your iPhone - Apple Support

Get help with the microphones on your iPhone, iPad, and iPod touch - Apple Support

Regards

SEe this

Re: 9.2.1 update. No sound during phone calls

Had the same problem. Fixed it be rebootimg the phone

Hi,

the advice of Lakisd to reboot the iphone helped me too. Now the phone calls work again. Thanks to that.