hello... I hv my new Lg optimus gt 540. the internet is not working on it. neither through my idea card nor with wi fi... .!! What shd i do now. when i tried through searching net.. i got some information about settings.. then i got an icon "E" in my application bar. still net is not working. when i tried the same idea card on another nokia handset, it wors. but not on lg optimus. plssss help me.. what shd i do....????