Both of these Samsungs just go black and the only way you can turn a call off is by keeping your finger on the off button for the phone. "End Call" or any other button does not respond, which is really annoying as you want to be able to end a call without a problem. I can't for the life of me understand what's causing this.
Is anybody else having this problem with a Samsung Galaxy? If so, how are you solving it?