That works for you, it won't work for everyone. UMTS and LTE don't have the capacity to replace GSM, not even close, they can barely keep up with the growth of

That works for you, it won't work for everyone. UMTS and LTE don't have the capacity to replace GSM, not even close, they can barely keep up with the growth of additional demand. GSM is broken and here to stay for a long, long time.