Just as the title says, r4i gold official site released the news that r4i gold can work on the new 3DS firmware V2.2.0-4. And also released a video. Quote: "Good news! R4i Gold 3DS can support Nintendo 3DS ver 2.2.0-4(J,E,U) successfully! (2011-11-05) " [yt]4sIYMlJzflY[/yt] Looks like don't need to do any update, just use the wood V1.39 firmware. Good job!