At release, the Atari 2600+ was a fun throwback conosole allowing you to play physical Atari 2600 and 7800 cartridges, but it was lacking a bit of compatibility and functionality that Atari fans were hoping for. As of today, a beta for the first firmware update for the Plus has been made publicly available on the AtariAge forums, and in this video, Jon walks you through how to apply that update to your Atari 2600+!
