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[Firmware ChangeLog]: What's New in 17.33 | Forerunner 570

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Overview

Garmin has started rolling out Software Version 17.33 for the Forerunner 570 Series. The release is currently at 20% rollout.

This stable update adds Approach CT1 club sensor support, silent mode, keyboard layout access, timer responsiveness, and a wide set of activity, sync, call, weather, and reliability fixes.

Update Details

  • Device: Garmin Forerunner 570 Series
  • Software Version: 17.33
  • Announcement Date: May 26, 2026
  • Channel: Stable release
  • Rollout Status: 20% rollout
  • Install Path: Menu > System > Software Update > Check For Updates
  • Official Announcement: Garmin Forums

What's New in Version 17.33?

New Features

  • Added Approach CT1 club sensor support.
  • Added silent mode access from the control loop or a button shortcut.
  • Added keyboard layout access by swiping up from the bottom of the page.
  • Improved responsiveness when starting the timer.

Training Fixes

  • Fixed resets when recording an activity, viewing evening report, adding apps through Garmin Connect Mobile, or using WhatsApp on iPhone.
  • Fixed Garmin Connect activity upload failures.
  • Fixed upcoming race events not showing on the device.
  • Fixed strength personal record sync and strength rest timer countdown tones.
  • Fixed pool swim workout progression, swim send-off vibration, and automatic track detection during trail runs.
  • Fixed indoor climb and bouldering back/down key behavior.

System Fixes

  • Fixed devices with many saved activity files appearing unresponsive.
  • Fixed sunrise/sunset watch face fields, incoming-call acceptance, excessive battery drain after phone assistant or watch calls, and access to voice apps during active calls.
  • Fixed gear tracking progress, battery estimates, weather refresh, minor bugs, and translations.

Why This Update Matters

Better Training Consistency

The Forerunner 570 update targets common training workflows: race events, strength records, pool swim workouts, trail run behavior, activity uploads, and app stability.

Useful Smartwatch Improvements

Silent mode, keyboard layout access, call handling fixes, battery drain fixes, and weather refresh improvements make daily use smoother.

Stable Rollout After Beta

The same 17.33 branch recently appeared in beta form. This stable 20% rollout brings those changes to the wider Forerunner 570 user base.

How to Get the Update

You can manually check once the update is available:

  1. Open Menu
  2. Select System
  3. Choose Software Update
  4. Tap Check For Updates

Conclusion

Garmin Forerunner 570 Software Version 17.33 is a strong stable update for runners. CT1 support, silent mode, timer responsiveness, training fixes, upload fixes, call handling, weather refresh, and translation updates make it worth installing once available.