Bought it because it was cheap, and now I'll have to replace it because it's worthless. It keeps locking (even if you set it not to), so when a call is coming through it rings (VERY quietly) twice then locks and stops ringing. I've missed nearly every call. Also, when I call to add time, it locks so I can't enter "1" or "2" to make selections, and if I press the button to unlock, it disconnects the call. This is absolute garbage.