Official Announcement was made with introduction of FirmWare Version 1.17 in August 2014, after the one and only User Manual was published.
Enhancements in FW 1.17
- Added Key Lock (Press and Hold Back Button for 2 seconds to enable Key lock, Press and hold back button 2 seconds to disable Key lock)
- Added Track number sorting using ID3 tags. Songs will now play in album order by ID3 tag track number if available.
Maybe check out this link for a summary of all changes made in FirmWare updates since the ClipSport was introduced.
