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Firmware Update

With computer

You can update the firmware of your A370 yourself to keep it up to date. Whenever a new firmware version is available, FlowSync will notify you when you connect A370 to your computer. The firmware updates are downloaded via FlowSync.

Firmware updates are performed to improve the functionality of your A370. They can include improvements to existing features, completely new features or bug fixes.

To update the firmware:

  1. Plug your A370 to your computer with the USB cable.
  2. FlowSync starts syncing your data.
  3. After syncing, you are asked to update the firmware.
  4. Choose Yes. New firmware is installed (this may take some time), and A370 restarts.

You won't lose any data due to the firmware update: Before the update begins, the data from your A370 is synced to the Flow web service.

With mobile device or tablet

You can also update the firmware with your mobile device if you're using Polar Flow mobile app to sync your A370 training and activity data. The app will let you know if there's an update available and will guide you through it. We recommend you plug in the A370 to a power source before starting the update to ensure flawless update operation.

The wireless firmware update may take up to 20 minutes, depending on your connection.