At&t - cingular Wireless
Very poor customer service AT&T NATIONWIDE
Completed 2 year cingular contract, upgraded phone & renewed 2 yr contract thru AT&T.com received new Sony-Ericsson z310a as requested. Right away I notice that the battery life is only about 2 days. (AT&T/Sony advertise 10 days) I call #800 customer service to inquire about warranty. ...