My wife just got a samsung droid charge two weeks ago. worked fine for awhile. now when she turns it on, she doesn't have 3g connectivity. when she tries to use the brower, market etc. nothing happens. just get a message that there's no connection. Verizon replaced the sim card but still have the problem. when she has no 3g showing on her phone, she can call out and get calls in. when 3g is showing, forget it.... nothing in or out. anyone have any suggestions? if so, please explain in plain english....we're not tech savvy. Thanks.