The first iPhone 4 class action lawsuit has been filed in the U.S. District Court for the District of Maryland and, as expected, it focuses on the phone's reception issues.

美国马里兰州地区法院受理了首个iPhone 4 集体诉讼案，该案的焦点是该手机的天线问题。

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Anyhow, we got a little video of the modded Moment in action -- unfortunately, Samsung's having reception issues with its private broadcast setup (there's no Mobile DTV network here in Vegas, or anywhere, for that matter) but we were able to see how the UI's going to work and learn a little bit about the system.

ENGADGET: Samsung's Mobile DTV-enabled Moment hands-on Hands-on