Five things you should know before buying the iPhone Duo. Engadget reported the announcement; here's what's confirmed so far.
Early reaction from reviewers:
staff@engadget.com (Filipe Espósito), writing for Engadget, noted: "From software limitations to the pre-sale deals, here's what you need to know ahead of…"
This page will be updated automatically as more details or reviews become available. For the original announcement, see Engadget.