D2 Charlie software version 4.00
as of February 15, 2017

Code:
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Serial Port
▶ Download (8.33 MB)
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USB Card Programmer
▶ Download (8.30 MB)
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Changes made from version 3.30 to 4.00:
  • Added helicopter ownship symbol option for aviation map. Settings > Activities & Apps > FLY > FLY Settings > Ownship.
  • Added support for a Sunrise & Sunset widget. Settings > Widgets > Add Widgets > Sunrise & Sunset.
  • Added support for an Alternate Time Zones Widget. Settings > Widgets > Add Widgets > Alt. time Zones.
  • Improved rendering of aviation navigation symbols on map at larger zoom ranges.
  • Improved Bluetooth connectivity with Huawei phones.
  • Improved the accuracy of resting heart rate measurements.
  • Improved the accuracy of All-Day Stress tracking.
  • Improved the smart notification text layout for longer messages.
  • Fixed an issue where the Heart Rate graph would intermittently stop updating.
  • Fixed an issue where the altitude on device wasn't accurate when using the Jumpmaster app.
  • Fixed an issue where Flashlight would turn off when using gestures.
  • Fixed an issue where a ConnectIQ watchface would flash when downloaded using the Garmin Connect Mobile app and the device would revert back to a stock watchface.