Garmin Forerunner 255 GPS Smartwatch - Slate Gray - 46 mm

Run at a higher level with the Forerunner 255 smartwatch. These running smartwatches help you trai...

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Product Information

Full details

The Garmin Forerunner 255 GPS Smartwatch is designed for runners and triathletes looking to elevate their training and recovery. It offers advanced metrics, personalized daily workouts, and comprehensive health monitoring to help users achieve their performance goals. While packed with features, effectively leveraging all its capabilities may require familiarization with the Garmin ecosystem and its accompanying app.

All features

SeriesForerunner
Model Part Number010-02641-00
BrandGarmin

Extended Product Information

FAQs

How do I charge my Garmin Forerunner 255?

Connect the included USB charging clip to the charging port on the back of the watch and plug the USB end into a power source like a computer's USB port or a wall adapter.

Is the Forerunner 255 waterproof?

Yes, the Forerunner 255 has a water rating of 5 ATM, meaning it can withstand pressures equivalent to a depth of 50 meters. It is suitable for swimming, showering, and general water exposure, but not for scuba diving.

How do I pair my watch with my smartphone?

Download the Garmin Connect app on your smartphone, create an account, and then follow the in-app instructions to add your Forerunner 255 as a new device. The app will guide you through the pairing process.

Can I customize the watch face?

Yes, you can customize watch faces using the Garmin Connect IQ Store directly from the Garmin Connect app. You can download various watch faces, data fields, widgets, and apps to personalize your device.

What is Multi-band GPS and why is it important?

Multi-band GPS uses multiple frequency bands (L1 and L5) to acquire satellite signals, significantly improving GPS accuracy, especially in challenging environments where signals can be blocked or reflected, such as urban areas with tall buildings or dense forests.

How long does the battery typically last?

The Forerunner 255 offers up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode without music. Battery life can vary based on usage, settings, and other factors like GPS mode selection.

Does it track sleep?

Yes, the Forerunner 255 tracks your sleep stages (light, deep, REM), sleep score, and respiration data, providing insights into your sleep quality through the Garmin Connect app.

Troubleshooting

Device won't turn on or respond.

Ensure the device is fully charged. Connect it to the charging cable and a power source. If it still doesn't respond, try a soft reset by holding the `LIGHT` button for 15-30 seconds.

GPS accuracy seems poor or takes too long to acquire a signal.

Ensure you are in an open outdoor area with a clear view of the sky. Sync your watch with the Garmin Connect app frequently, as this updates the GPS satellite data for faster acquisition. Make sure Multi-band GPS is enabled in settings for optimal accuracy.

Heart rate readings are inaccurate or inconsistent.

Ensure the watch is worn snugly, about one finger-width above your wrist bone, and not too tight. Clean the optical heart rate sensor on the back of the watch. Avoid tattoos or lotions directly under the sensor area.

Garmin Pay is not working or card declined.

Verify that your selected card is active for Garmin Pay and that you have sufficient funds. Ensure your watch is close to the payment terminal and that you've correctly entered your passcode if prompted. Check the Garmin Connect app for any card setup issues or notifications.

Battery life is shorter than expected.

Check your settings for power-intensive features. Excessive use of Multi-band GPS, frequent backlight activation, or numerous smart notifications can drain the battery faster. Reduce these settings if not critically needed, and ensure your watch software is up to date.

Pros and Cons

Pros

  • Comprehensive Training Insights: Deep analytics for performance and recovery management.
  • Exceptional GPS Accuracy: Multi-band GPS provides reliable tracking in various conditions.
  • Personalized Coaching: Daily suggested workouts adapt to individual progress and goals.
  • Convenient Contactless Payments: Garmin Pay offers quick and easy transactions on the go.
  • Versatile Activity Support: Wide range of profiles for running, cycling, swimming, and triathlon.
  • Robust Battery Life: Extended power for long activities and multi-day use.
  • Continuous Health Tracking: Provides a holistic view of overall well-being.

Cons

  • Learning Curve: Advanced features may require time to fully understand and utilize.
  • App Dependence: Full data analysis and customization rely heavily on the Garmin Connect app.
  • Screen Technology: Features a transflective memory-in-pixel display, which is excellent for outdoors but not as vibrant as OLED screens found in some smartwatches.

Setup, Compatibility & Care

Setup

  1. Charge Your Device: Before first use, connect your Forerunner 255 to the included USB charging clip and plug it into a USB power source. Allow it to charge fully.
  2. Power On: Press and hold the `LIGHT` button to turn on the watch.
  3. Initial Setup: Follow the on-screen prompts to select your language, pair with your smartphone, and set up basic profile information.
  4. Download Garmin Connect App: Install the Garmin Connect app on your smartphone (available for iOS and Android). Create an account or sign in.
  5. Pair with App: Open the Garmin Connect app, navigate to 'Devices', and follow the instructions to add your Forerunner 255. This will sync your settings and data.

Compatibility

  • The Garmin Forerunner 255 is compatible with both Apple iOS and Android smartphones via the Garmin Connect mobile app. A compatible smartphone is required for syncing data, receiving smart notifications, and utilizing features like LiveTrack and Connect IQ store downloads.

Care

  • Cleaning: Regularly wipe your watch with a damp cloth to remove sweat, dirt, and dust. For the charging contacts and heart rate sensor, use a soft toothbrush and rubbing alcohol to clean any buildup. Ensure the watch is dry before charging.
  • Strap Care: Rinse the strap with water after sweaty workouts. For silicone straps, occasional washing with mild soap and water can prevent irritation.
  • Water Resistance: The Forerunner 255 is water-rated for 5 ATM, making it suitable for swimming, showering, and exposure to rain. Avoid pressing buttons underwater or exposing it to high-velocity water streams.
  • Battery Health: For optimal battery life, avoid fully discharging the device frequently. Charge it when the battery level is low, but you don't need to charge it to 100% every time.