Changes made from version 3.90 to 4.00:
- Added support for Connect IQ 1.4.4
- Added support for improved Wi-Fi security.
- Added 'Sync Time with GPS' option to Clock menu and Hot Key options.
The D2 Bravo Titanium also received an update, from 2.90 to 3.00, as detailed on the "Updates & Downloads" page for the D2 Bravo Titanium.