iv got a problem with my blackberry 8900 curve, which every time i go to make a call.. a message appears on scream as ' AUTHORIZATION FAILURE' this then does not allow me to make calls or recevie any calls and hence i get a message when i try and receive a call as ' calls are not being currently connected to this number' the blackberry services is working all fine.. any suggestions to the problem.. i am on t-mobile network. thanks
yep the fone was orginally on T mobile... i bought it brand new from gunmtree... have used it with out any problem for 2 months. BES System? i am not fimiliar with what you mean by that? thanks again