Square has sent an email out to its users noting that they may have to make some slight settings changes if they want to continue using the Square credit card reader on their iPhone. The changes come from a new security setting in iOS 7 in which the user needs to grant each app access to the microphone or else the app will not be able to use it -- or anything that's plugged into it, like the Square reader.
The email lays out the steps users must take to approve Square Register for microphone access:
When you update your Apple device to iOS 7, you may need to adjust your microphone in order to swipe payment cards with your card reader.
If you have already updated to i
