|If you had access to the owners manual it might tell how. Not all phones can be used if broken.|
When my wife has some issue with the phones, she just goes to one of those phone stores. Some kid can usually get it faster than I could. I'd try that. If you have some carrier then go to their store and it is usually free.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.