Ignite 3 - 4.3.0 firmware update
There is a new firmware update available for Ignite 3. This update fixes an issue some users experienced where the watch fails to start, looping between the Polar logo and a black screen. It also fixes an issue where pausing a training session could result in incorrect ascent and descent values in the training summary. You can update your watch on your mobile via the Flow app or on your computer via FlowSync.
Version number: 4.3.0
Release date: November 24th, 2025
Improvements/fixes in this release
- Watch failing to start, looping between the Polar logo and a black screen – fixed
- Incorrect ascent/descent values in the training summary after a paused session – fixed
- Other minor updates and bug fixes

































