A slightly different question... I'm in a food court at a shopping center as I write this. I'm in the first month of 250mb data plan. When I opened IPad 2, 3G was on. Just out of curiosity, I went into wifi settings. There appeared to be free wifi networks ( no lock icon) but wasn't able to log on. When I opened forum, the wifi icon came on and, of course no 3G. I've been reading forum for half hour and then (see above) decided to turn off 3G. After turning off "cellular data", nothing. Turned 3G back on and wifi icon reappeared. As I'm writing this, wifi icon gone and 3G active. Any ideas what's going on here? Somebody using my 3G?
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