Oct. 7, 2014 was the most recent Bose system update, as of 2015. The update pertained to Lifestyle home entertainment systems, SoundLink on-ear Bluetooth headphones, VideoWave II and III entertainment systems, certain Lifestyle home theater systems and the SoundLink Mini Bluetooth speaker.
The update also applied to the SoundLink Color Bluetooth speaker. Clicking an item picture on the Bose website opens the download page, which includes details of the update, minimum system requirements for PC and Mac users, what to do before the download, and a link to the actual download. On the download page, another link leads to technical support for troubleshooting and a series of frequently asked questions pertaining to system updates.