Network server error. I'm sick to death of seeing this. I'm also sick of the toothy salesman at T-Mobile telling me how the MT4G is the latest and greatest. The video chat doesn't work, and when it does, it sucks. I can't access the market for apps. I tell ya what, it is a great phone. The sooftware isn't. i shelled out over $500.00 for 2 of these things. I really don't know why I'm sitting here bellyachin'. I should be down at the T-Mobile store getting my money back unless one of you might be able to give me a few ideas!