How to Update a Polar A370 Fitness Tracker

Introduction

Your Polar A370 only has one update option: Firmware. You can update the firmware of your A370 yourself to keep it up to date. Firmware updates are performed to improve the functionality of your A370. They can include improvements to existing features, completely new features or bug fixes. We recommend that you update the firmware of your A370 every time a new version is available.

There are two ways to update the device. With the app, you are notified and guided through the process when an update is available. With a computer, you connect the tracker to your computer with a USB cable and then update via the Flowsync program. For simplicity, updating via the app is recommended.
A polar A370

? Would you like to update via the app or a computer?

  1. Polar Flow App
  2. Computer

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Your Polar A370 only has one update option: Firmware. You can update the firmware of your A370 yourself to keep it up to date. Firmware updates are performed to improve the functionality of your A370. They can include improvements to existing features, completely new features or bug fixes. We recommend that you update the firmware of your A370 every time a new version is available.

There are two ways to update the device. With the app, you are notified and guided through the process when an update is available. With a computer, you connect the tracker to your computer with a USB cable and then update via the Flowsync program. For simplicity, updating via the app is recommended.
A polar A370

The Polar Flow app will automatically let you know if there is a firmware update for your watch and walk you through updating it.
The polar flow app update message

If you have the Flowsync application installed on your computer you can update your firmware that way. It will alert you when there is an update.

  1. Plug your Polar A370 into your computer.
    A polar A370 being plugged into USB

  2. Flowsync will begin to sync your data.
    A polar a370 and a macOS system showing syncing

  3. After syncing, you will be asked to update the firmware.
    Polar Flow app asking for an update to the A370

  4. Choose Yes and after downloading the update your A370 will restart.
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