How to Update Garmin Forerunner 45: Complete Guide 

Keeping your Garmin Forerunner 45 update ensures optimal performance, improved GPS tracking, and access to the latest features. Garmin frequently releases firmware updates that fix bugs, improve connectivity, and enhance user experience. In this guide, you’ll learn how to update Garmin Forerunner 45 using two official methods: Garmin Express and Garmin Connect Mobile.

Why Update Garmin Forerunner 45?

Updating your Forerunner 45 provides several benefits:

• Improved GPS and heart rate accuracy
  
  

• New activity profiles and training features
  
  

• Bug fixes and performance optimizations
  
  

• Better battery management and power modes
  
  

• Enhanced compatibility with Garmin apps and accessories
  
  

Regular updates make your watch more reliable for running, cycling, and fitness tracking.

Ways to Update Garmin Forerunner 45

Garmin offers two ways to update your device:

1. Garmin Express (Computer method)
   
   

2. Garmin Connect Mobile (Wireless update)
   
   

Method 1: Update Garmin Forerunner 45 via Garmin Express

Garmin Express is the desktop app for managing software and map updates via USB.

Steps:

1. Download and Install Garmin Express
   
   

   • Get it from Garmin’s official website for Windows or Mac.
     
     

2. Connect Your Forerunner 45
   
   

   • Use the original USB charging/data cable and open Garmin Express.
     
     

3. Add Device and Search for Updates
   
   

   • Click Add a Device and follow the on-screen instructions.
     
     

   • Garmin Express will detect your watch and check for available updates.
     
     

4. Install the Update
   
   

   • Click Install to start updating.
     
     

   • Keep the watch connected until the update completes.
     
     

5. Sync After Updating
   
   

   • Once updated, sync with Garmin Connect to refresh all settings and data.
     
     

Method 2: Update Garmin Forerunner 45 via Garmin Connect Mobile

Wireless updates are possible using the Garmin Connect app.

Steps:

1. Install Garmin Connect App
   
   

   • Download from Google Play Store or Apple App Store and sign in.
     
     

2. Pair Your Forerunner 45
   
   

   • Enable Bluetooth on both phone and watch.
     
     

   • Pair your watch through Garmin Connect if not already paired.
     
     

3. Check for Update
   
   

   • In the Garmin Connect app, open the device card > Device Settings > Software Update.
     
     

   • If an update is available, tap Install.
     
     

4. Complete the Update
   
   

   • Keep your watch and phone close together during the process.
     
     

   • Do not interrupt Bluetooth until the update is done.
     
     

Tips for Successful Update

• Charge your watch to at least 50% before updating.
  
  

• Use a strong internet connection for downloads.
  
  

• Keep Garmin Express and Garmin Connect updated.
  
  

• If the update fails, restart your watch and try again.
  
  

• For USB issues, use the original cable and another port.
  
  

Common Problems and Fixes

• Watch Not Detected: Try a different USB port or cable and restart Garmin Express.
  
  

• Update Stuck: Restart both the device and the app, then retry.
  
  

• Bluetooth Disconnects: Toggle Bluetooth or re-pair the watch.
  
  

• Insufficient Storage: Remove unused apps, watch faces, or activities.
  
  

What’s New After Updating Garmin Forerunner 45?

Updates can bring:

• Improved GPS accuracy and pace tracking
  
  

• New health and fitness features
  
  

• Enhanced training metrics
  
  

• Better battery optimization
  
  

• Bug fixes for smoother performance
  
  

Final Thoughts

Now you know how to update Garmin Forerunner 45 using Garmin Express or Garmin Connect Mobile. Regular updates improve performance, add new features, and ensure your watch runs at its best for every workout.