Apple has released a new support document that instructs users on how to downgrade from iOS 8.0.1 back to iOS 8. The document is called “Loss of cellular service or ability to use Touch ID after updating to iOS 8.0.1 on iPhone 6 or iPhone 6 Plus.” iOS 8.0.1 was pulled only hours after it was released on Wednesday, after many users reported losing cellular service and the ability to use Touch ID on the the company’s newest iPhones.…