The R4 has since been discontinued. The last official firmware was 1.18, released on April 23, 2008, but clone manufacturer R4Li continued unofficial updates for the original R4. In addition to the official firmware, a Closed-Source r4 r4 firmware is also under active development, called Wood R4. Wood R4 written by Yellow Wood Goblin is updated into latest version Wood R4 v1.30 on May 19, 2011. A Wood R4 DS patch r4 r4 was released on Dec 24th, 2010. R4 DS users can run this patch to update online Wood R4 kernel automatically. It is not sure about whether it can get users' personal data protected.
