Apple recently released the most-awaited iOS 8.0.1 update to fix a bunch of bugs found in iOS 8, while some discerning iOS users quickly noticed that the new update introduced more bugs than actually fixing them.
Several iOS 8 users have started complaining about losing cellular service and Touch ID functionality on affected devices after installing the iOS 8.0.1 update.
Those who have already installed the new iOS 8.0.1 update can downgrade back to iOS 8 via iTunes using the same steps outlined here, while those who have just downloaded the update can delete the same to prevent accidental installation.
Here are the direct download links for iOS 8 if you are thinking about downgrading back to iOS 8 owing to numerous bugs and issues in Apple's new update:
Here is a simple guide to delete the iOS 8.0.1 update from your device (courtesy of OSXDaily):
Step 1: Go to Settings > General > Usage > Manage Storage.
Step 2: Select iOS 8.0.1. Note: As it measures over 1GB in size, it should appear at the top of your list.
Step 3: Tap Delete Update, and tap Delete Update again to confirm.
You can now rest assured that your device is free from any chance of installing the buggy iOS 8.0.1 update.