Metabones®[if lt IE 9]> <![endif]StartFragment Downloads links: Firmware update for EF-E Smart Adapter MARK IV and EF-E Speed Booster ULTRA (Windows) Firmware update for EF-E Smart Adapter MARK IV and EF-E Speed Booster ULTRA (Mac) Firmware update for EF-M43 (Windows) Firmware update for EF-M43 (Mac) EndFragment Metabones®[if lt IE 9]> <![endif]StartFragment Vancouver, Canada, June 23, 2016: Metabones® releases Metabones App 2.3, a major firmware update with the followi