Final answer:
To download the xFi mobile app on an iPad, the usual method is to visit the App Store and search for 'xFi.' Using a QR code or Comcast's website may also work, but direct installation from the App Store is typically easiest.
Step-by-step explanation:
To download the xFi mobile app on an iPad, the recommended method is to visit the App Store on your iPad and search for "xFi." This is typically the simplest and most direct way to find and install apps on iOS devices.
Option C, which suggests using a QR code provided by Comcast, can also be a viable method, if Comcast provides such a code for a direct download. Option B recommends going to the Comcast website - usually, this will provide instructions but ultimately redirect you back to the App Store. Option D involves contacting Comcast customer support, which should not be necessary unless you encounter issues with the other methods.