It may happen that while you are calling with the iPhone 6 your contact hears a random noise. With this background noise it is unfortunately very difficult to be understood by the other party. Luckily there is on the iPhone 6 a function which reduces this background noise. We show you where to find this option on the iPhone 6 and how to activate it.
Open the settings on your iPhone 6. Navigate then in the following submenu:
General --> Accessibility
In the section "Hearing" You will now find a switch with "Phone noise cancellation". Enable the switch by tapping on it. The noise suppression for phone calls is now enabled on your iPhone 6 and the random noise should be significantly less for your interlocutor, as it was previously the case.
You know now how to activate on the iPhone 6 the noise reduction.