Software updates - Suunto Nautic S
Enjoy the convenience of over the air software updates via Suunto app so that your Suunto Nautic S always has the latest and greatest software.
Release notes
2.54.12
Update on 16.6.2026
This update brings new features, improvements and bug fixes.
New Dive features:
- Helium gas option to Multigas mode
- User defined remaining gas time alarm when diving with Suunto Tank POD
- Dynamic apnea mode (Freedive pool) mode to measure distance of dive
- Watertype setting for freedive modes
- New switchwindow data fields: GF 99, Surface GF, Ascent speed (numerical value)
- Enable HR belt pairing
- Low PPO2 alarm
Improvements and bug fixes:
- Improved surface view for freedive to show max depth and dive time of last dive
- New gas switch hint icon for multigas mode when a better gas is available
- New e-label
- Option to define different audio and vibration options for mobile notifications
- Option to define different audio and vibration alerts for system wide alerts
- Advanced unit settings to define metric or imperial settings for individual units
- Bug that cut the dive graph before scrolling in dive summary
- Revert the start depth range to start from 0.3m in freedive activities
- Bug that caused wrong low battery color
- Bug that caused wrong total dive count
2.51.10
Staged update starting on February 13th 2026
This update brings new features, improvements and bug fixes.
New Dive features:
- Tide widget
- Customization of switchwindow and arches for dive modes
- Dynamic depth graph to dive summary Option to configure a stopwatch to dive views
- Possibility to link two tank pods to same gas If two tank pods are linked to same gas, the tank pressure field will show two tank pressures during dive
- Option to set a pressure difference alarm when diving sidemount
- Support for new dive watch face (available in Suunto app)
Improvements and bug fixes:
- Localization fixes
- Snorkelling max depth was missing from summary
- Algorithm deviation icon not showing on screen after software crash Issues with surface time arch
- Reduce the time of the no-fly icon
- Tank pod icon showing in pre-start view even if offline
- Issues with wifi and maps download
- Memory optimization
- Bearing didn’t clear after exiting Scuba dive
- Adding e-labels for certification
- Improvement to tank pressure arch
- Surface time sometimes showing wrong values
- Transition optimization in menu items