Swisscom regularly updates HD phones with the latest firmware, so that you can continue to benefit from new features and improvements once you have made your purchase. This happens automatically.
Firmware is the software which provides HD phones with all their functionality. This site informs you about the latest firmware versions, the new features they introduce, and the improvements they make.
Locarno HD phone Firmware Release Notes
Current Firmware (Oktober 2015):
The Locarno HD phone will be updated with the latest version automatically in the next few days.
- MultiLine settings (incoming/outgoing lines, name and number for each line) can now be made directly on the handset.