Update: iOS 8.0.2 is available. Remember before updating your iPhone, backup to iTunes on a PC or Mac.

There is a workaround for those who have lost cellular service and use of Touch ID after updating to iOS 8.0.1 on iPhone 6 and iPhone 6 Plus.

Apple have pulled the iOS 8.0.1 update from their servers and are working on a proper solution soon to be released in iOS 8.0.2.

The workaround is a guide to revert back to iOS 8: (edit: Apple removed the page)

If you are affected by this bug and need assistance, we can do this workaround via remote support for only $59.

Submit a request or call (07) 3123 6000.