Apple released 10.1 to fix this. All seems to be fine now!
An Article by ioshacker Provides Best Methods to Avoid Bricking
Original News Alert: ios 10 Alert from Techcrunch.com
I’m uploading this news article link written by Techcrunch because it’s important for ios users to know before considering updating to ios 10. Imo, it’s usually best to wait a few days until Apple’s servers are less jammed to avoid getting a corrupt version of the newest ios.
Here’s a link to the full news article: TechCrunch ios 10 alert