My first crazer was a dud.  It would turn on randomly thus running down the battery, not ring when calls came in, refuse to charge on the car charger, and run very slowly.  If you would turn it off it would be better for a few hours and then go back to its old tricks.  I had verizon send me a replacement phone, but it is no better.  This one doesn't ring and completely locks up.  Verizon is now sending me my third phone, but I have no greater hopes for it.  If this one doesn't work I will finally be able to get a different phone (you have to have 3 bad ones before they will let you change...