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[Garmin Firmware ChangeLog]: What's New in 12.26 | Instinct 3 Solar/AMOLED/Crossover

garminchangelogfirmware-updateinstinct-3

Overview

Garmin has released Software Version 12.26 for the Instinct 3 Solar, Instinct 3 AMOLED, and Instinct 3 Crossover. This update introduces support for the newly announced Xero C2 Chronograph and includes mobile translation updates.

Update Details

  • Devices: Garmin Instinct 3 Solar, Instinct 3 AMOLED, Instinct 3 Crossover
  • Software Version: 12.26
  • Previous Version: 12.23
  • Rollout Status: 50% Phased Rollout (Stable Channel)

What's New in Version 12.26?

New Feature

  • Xero C2 Chronograph Support: Adds support for displaying data and controlling a connected Xero C2 Chronograph directly from the watch

Translation Updates

  • Mobile translation update included for improved multi-language support

Installation Instructions

If your Instinct 3 is part of the current rollout wave:

  1. Via Wi-Fi/Bluetooth: Update downloads automatically when connected
  2. Manual Check:
    • Press the Up/Menu button
    • Navigate to System > Software Update
    • Select Check for Updates
  3. Garmin Express: Connect to computer for update

Important Notes

  • Rollout: Currently at 50% - if not available, check back within 24-48 hours
  • Battery: Ensure at least 50% charge before updating
  • Xero C2: Requires the separately purchased Xero C2 Chronograph accessory

About the Xero C2 Chronograph

The Xero C2 is Garmin's newly announced chronograph device designed for shooting sports. With this update, Instinct 3 owners can:

  • View chronograph data directly on their wrist
  • Control the Xero C2 remotely from the watch
  • Track shooting session metrics seamlessly

About the Instinct 3 Series

The Instinct 3 series (released January 2025) is Garmin's rugged outdoor smartwatch line, available in three variants:

  • Instinct 3 Solar: Power Glass solar charging, transflective MIP display
  • Instinct 3 AMOLED: Vibrant AMOLED display with always-on capability
  • Instinct 3 Crossover: Hybrid design with analog watch hands over digital display
  • All models feature multi-band GPS, built-in LED flashlight, and 10 ATM water resistance
  • Advanced training, health, and outdoor navigation features

Conclusion

Version 12.26 is a focused update that adds meaningful new functionality with Xero C2 Chronograph integration. Instinct 3 owners who use shooting sports accessories will benefit from this update. All users should install for the latest translation improvements.