Check out how this story came through my google reader: http://skitch.com/froboy/9bkg/chromevsie

(Before the happenings of this post, I had replaced the SIM cards in my and my wife's 3G iPhone's once previously, about 2 weeks ago, with no significant improvement in service.) After updating to 2.0.2 I am completely unable to make or receive calls when 3G is enabled. Disabling 3G while standing in the same location results in 3-5 bars of EDGE, and turning on 3G again results in "No Service" (when previously the phone would at least drop down to EDGE when 3G was unavailable). Also, even with 3-5 bars of EDGE, I had 5 calls last night that did not ring at all to my phone (I got the voicemails about 30 min later). Disabling Wifi, doing a Network Reset, and rebooting did nothing to resolve the issue. I reported these issues to AT&T Technical Support after getting bounced to Apple and then back, and requested a refund for the month or so of incredibly poor phone service that I've received. The representative was happy to comply, discounting a significant portion of next month's bill. I refuse to pay for poor phone service, and I suggest any who are having issues do the same until these problems are resolved.