Polar Grit X2 Pro - 3.1.0 firmware update

Date: 2025-05-19
Related products: Grit X2 Pro

There is a new firmware update available for Polar Grit X2 Pro. This release includes a fix for an issue that caused occasional interruptions in optical heart rate readings for some users during training and continuous heart rate measurement. You can update your watch on your mobile via the Flow app or on your computer via FlowSync.

Version number: 3.1.0

Release date: May 19th, 2025

Improvements/fixes in this release:

  • Fix for occasional interruptions in OHR readings during training and continuous heart rate measurement

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