Xiaomi Watch S4 41mm Smartwatch User Manual

Introduction

The Xiaomi Watch S4 41mm is a sleek and lightweight smartwatch designed to enhance your daily life and fitness journey. Featuring a vibrant AMOLED display with 1500 nits brightness, it offers comprehensive health monitoring including heart rate, blood oxygen, skin temperature, and sleep tracking. With over 150 sports modes and dual-frequency GNSS for precise positioning, it's an ideal companion for various activities. Its 5ATM water resistance ensures durability for everyday use and water-based exercises. This manual provides essential information for setting up, operating, and maintaining your Xiaomi Watch S4 41mm.

Specifications

Note: Actual size and weight may vary according to the configuration, manufacturing process, and measurement method. Please refer to the actual object.

Setup Guide

1. Unboxing and Initial Charge:
   • Carefully unbox your Xiaomi Watch S4 41mm.
   • Before first use, fully charge the device using the provided charging cable. Connect the magnetic end of the charging cable to the charging contacts on the back of the watch and the USB end to a compatible power source (e.g., computer USB port, USB wall adapter).
2. Strap Installation:
   • Attach your preferred strap (Viton, Leather, or Milanese) to the watch body. Ensure the pins are securely fastened into the lugs.
3. Power On:
   • Press and hold the side button until the Xiaomi logo appears on the screen.
4. App Installation and Pairing:
   • Download and install the 'Xiaomi Health APP' on your Android (8.0 or above) or iOS (14.0 or above) smartphone.
   • Open the app and follow the on-screen instructions to create an account or log in.
   • In the app, select 'Add Device' and choose your Xiaomi Watch S4 41mm from the list of available devices.
   • Confirm the pairing request on both your phone and the watch.
5. Initial Configuration:
   • Follow the prompts on the watch and in the app to set your language (Simplified Chinese, English, Traditional Chinese), time zone, personal information (height, weight, age for accurate health tracking), and grant necessary permissions.

Operating Instructions

Basic Navigation

• Touchscreen: Swipe up, down, left, or right to navigate through menus and notifications. Tap to select items.
• Side Button: Press to return to the home screen or access the app list. Long press for power options or emergency features.
• Rotating Crown: Rotate to scroll through lists or adjust settings. Press to confirm selections.

Health Monitoring

• Heart Rate Monitoring: The watch continuously monitors your heart rate. View real-time data on the watch or in the Xiaomi Health APP.
• Blood Oxygen (SpO2) Monitoring: Measure your blood oxygen levels on demand or enable continuous monitoring through the app.
• Sleep Tracking: Automatically tracks your sleep stages (deep, light, REM) and provides a sleep quality score and recommendations in the app.
• Stress Monitoring: Monitors stress levels throughout the day.
• Skin Temperature: Features a high-precision temperature sensor for 24-hour smart monitoring of skin temperature.
• Female Health Management: Track and predict menstrual cycles, and receive intelligent reminders.
• Heart Health Research: Utilizes a PPG sensor for non-invasive blood pressure monitoring and heart rhythm analysis (requires calibration and app integration).
• One-Key Health Scan: Perform a quick scan to assess 8 health risks including heart rate, blood oxygen, pressure, sleep, heart health, and blood pressure.

Image: Comprehensive health monitoring features on the Xiaomi Watch S4 41mm.

Fitness Tracking

• 150+ Sports Modes: Select from a wide range of activities including running, cycling, swimming, yoga, and more. The watch provides real-time data and post-workout analysis.
• Dual-frequency GNSS: Utilizes Beidou, GPS, GLONASS, Galileo, and QZSS for precise outdoor positioning, making your workout routes traceable.
• 5ATM Water Resistance: Suitable for swimming in pools and shallow waters. Not recommended for hot showers, saunas, or diving.
• Bluetooth Heart Rate Broadcasting: Transmit real-time heart rate data to compatible cycling computers and other fitness devices.
• Skiing Mode: Features fall detection and emergency response. If a heavy fall is detected and there's no response within 60 seconds, an alarm will be triggered, and emergency contacts will be notified.

Image: Visual representation of the 150+ movement modes available.

Safety Features

• Emergency Assistance: Triple-click the side button to automatically call emergency contacts and send precise location data. Long press for 3 seconds to dial 110, 120, or 119.
• High-frequency Whistle: Tap to activate a high-frequency whistle for attracting attention in emergencies.
• Real-time Location Sharing: Share your real-time location with emergency contacts.

Image: Safety features including emergency assistance and location sharing.

Customization

• Watch Faces: Choose from hundreds of personalized watch faces, including dynamic and DIY options, to match your style.
• Strap Options: Easily change between Viton, Leather, or Milanese straps to suit different occasions and preferences.

Maintenance

• Cleaning the Watch:
  • Wipe the watch screen and body with a soft, lint-free cloth. If necessary, slightly dampen the cloth with water.
  • Avoid using harsh chemicals, abrasive materials, or ultrasonic cleaners, as these can damage the watch.
• Strap Care:
  • Viton Straps: Can be rinsed with water and wiped dry.
  • Leather Straps: Avoid prolonged exposure to water, direct sunlight, and high humidity. Clean with a soft, dry cloth.
  • Milanese Straps: Can be cleaned with a soft brush and mild soapy water, then rinsed and thoroughly dried.
• Battery Care:
  • Charge your watch regularly to maintain battery health. Avoid completely draining the battery frequently.
  • Store the watch in a cool, dry place when not in use for extended periods.
• Water Resistance:
  • The 5ATM water resistance rating means the watch can withstand pressures equivalent to a depth of 50 meters. It is suitable for showering and swimming in shallow water.
  • Do NOT use the watch in hot water, saunas, or for diving, as steam and high pressure can compromise the seals.
  • After exposure to saltwater, rinse the watch with fresh water and dry it thoroughly.

Troubleshooting

• Watch not turning on: Ensure the watch is fully charged. Connect it to the charger and wait a few minutes before attempting to power it on again.
• Cannot pair with phone:
  • Ensure Bluetooth is enabled on your phone and the watch is within range.
  • Check if the Xiaomi Health APP is updated to the latest version.
  • Restart both your watch and phone, then try pairing again.
  • If issues persist, try unpairing the device from your phone's Bluetooth settings and re-add it through the app.
• Inaccurate health/fitness data:
  • Ensure the watch is worn snugly on your wrist, not too tight or too loose.
  • Clean the sensors on the back of the watch.
  • Update the watch firmware and the Xiaomi Health APP to the latest versions.
  • For GPS accuracy, ensure you are in an open outdoor area with a clear view of the sky.
• NFC not working: Ensure NFC is enabled on your watch and configured correctly within the Xiaomi Health APP for the desired function (e.g., payments, access control).
• Short battery life:
  • Disable features like Always-On Display (AOD) if not needed.
  • Reduce screen brightness.
  • Limit continuous heart rate or SpO2 monitoring if not required 24/7.
  • Close unnecessary background apps on the watch.

User Tips

• Google Pay: Based on current information, the Xiaomi Watch S4 41mm does not explicitly support Google Pay. Please check the latest app updates or Xiaomi's official support for any changes.
• App Updates: Regularly update the Xiaomi Health APP and your watch's firmware to ensure optimal performance, new features, and bug fixes.
• Personalization: Explore the wide range of watch faces and strap options to customize your watch to your personal style.
• Health Data Sync: Ensure your watch is regularly synced with the Xiaomi Health APP to keep your health and fitness data up-to-date and backed up.

Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the official Xiaomi website or contact your local authorized Xiaomi service center. Keep your proof of purchase for any warranty claims.