Grit X2 - 4.3.0 firmware update
There is a new firmware update available for Grit X2. This update fixes an issue that caused phone notifications to occasionally block incoming calls on iOS. 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
- Phone notifications occasionally blocked incoming calls on iOS – fixed
- Incorrect ascent/descent values in the training summary after a paused session – fixed
- Other minor updates and bug fixes

































