Apple® iPhone® - Turn Noise Cancellation On / Off

Note Notes:

  • If turned on, the Noise Cancellation setting reduces background noise while on a call.
  • This setting isn't available on the iPhone 4. 


  1. From the Home screen, tap Settings Settings icon > General > Accessibility.
  2. From the 'Hearing' section, tap the Phone Noise Cancellation switch to turn on Switch on icon or off Backup Assistant icon.