How to Fix Heart Rate Sensor Inaccuracy on AMAZFIT Active Max

Cleaning the Heart Rate Sensor

• 🧼 Clean the optical sensor on the back of the watch using a microfiber cloth to remove any dirt or debris.
• ✨ Ensure the sensor is shiny and clean for optimal performance.

Proper Strap Placement and Tightness

• 📏 Position the watch strap one finger width above the wrist bone.
• ⌚ Adjust the strap to be snug but not overly tight to ensure accurate readings.

Pre-Measurement Warm-up

• 🔥 Warm up before measuring heart rate, especially before a workout, to get more accurate results.

Restarting the Watch for Inaccurate Readings

• ⚠️ If heart rate readings appear inaccurate (too high or too low), restart the watch.
• 🔄 To restart, hold the bottom button, select the restart icon, and confirm with the checkmark.
• ⚡ Wait for the watch to fully reboot, which should take less than 10 seconds.

Re-checking Heart Rate

• ✅ After restarting, re-measure your heart rate to check if the accuracy has improved.
• 📊 Observe the real-time readings to confirm the results.