Polar OH1 firmware update 2.1.20


There is a new firmware update available for Polar OH1. In this release we’ve cleaned up a few bugs. Update your optical heart rate sensor on your computer via FlowSync or on your mobile via Flow app.

Release date: November 23rd, 2020

Version number: 2.1.20


  • Minor updates and bug fixes

Related products:

Change region

If your country is not listed on this page, please find your local contact details, retailers and stores and service points on our global site.