Why am I only able to make emergency calls on my Nokia Lumia 920?

[Windows Central Question]

My nokia Lumia 920 emergency call only

Phone would not unlock try again in 236845 minutes

 

[RumoredNow]

Someone has entered the wrong Pin code in the lock screen too many times...

You have to do a Hard Reset. You loose all your data, but can restore the last saved backup during the setup.

Nokia Lumia 920 hard reset