LEMFO Q668 Smart Watch User Manual

Introduction

Welcome to the user manual for your new LEMFO Q668 Smart Watch. This device combines the functionality of a smartphone with the convenience of a wearable, offering features such as 4G LTE connectivity, Wi-Fi, GPS, video calling, and comprehensive health monitoring, all powered by Android 9.1. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your smartwatch to ensure you get the most out of its advanced capabilities.

Front view of the LEMFO Q668 Smart Watch displaying time and heart rate data.

Back view of the LEMFO Q668 Smart Watch showing sensors and charging pins.

Setup Guide

1. Charging the Device

Before first use, fully charge your smartwatch. Connect the magnetic charging cable to the charging pins on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port. The watch will display a charging indicator.

The smartwatch is equipped with a 930mAh polymer lithium battery for strong endurance.

2. SIM Card Installation

The LEMFO Q668 supports an independent SIM card for 4G network connectivity. To install:

1. Carefully locate the SIM card slot on the side of the watch.
2. Use the provided tool (if any) or a small pin to open the SIM tray.
3. Insert a Nano-SIM card into the tray with the gold contacts facing down, ensuring correct orientation.
4. Gently push the tray back into the watch until it clicks into place.

The built-in SIM card slot supports full network 4G for calls and internet access.

3. Initial Power On and Basic Settings

Press and hold the power button (usually on the side) until the screen lights up. Follow the on-screen prompts to select your language, connect to Wi-Fi, and set up your Google account. This will enable access to Google Play and other Android services.

4. App Installation

The smartwatch supports downloading and installing third-party applications directly from the Google Play Store. Ensure you are connected to Wi-Fi or have an active 4G data connection.

Download and install a massive selection of apps from Google Play.

Operating Instructions

1. Navigation and Interface

The Q668 features a 2.08-inch HD touch screen. Swipe left, right, up, or down to navigate through menus, notifications, and quick settings. Tap to select items. The physical button on the side typically serves as a back button or to return to the home screen.

The 2.08-inch glitzy screen offers 400x454 high resolution for a clear and vivid display.

2. Communication Features

• 4G Calling: With an installed SIM card, you can make and receive calls directly from your watch.
• Video Calls: Utilize the front-facing camera and 4G/Wi-Fi connectivity for smooth HD video calls.
• Messaging: Send and receive text messages, and use various messaging apps for instant communication.

Enjoy smooth HD video calling with 4G+ full Netcom and Wi-Fi wireless fast internet access.

Instant messaging to keep in touch, supporting video calls, text messages, and voice calls.

3. GPS Navigation

The built-in GPS, Beidou, and Granas positioning systems provide real-time trajectory tracking. This allows you to check your movement track and receive accurate satellite positioning for outdoor activities or travel.

Real-time trajectory tracking with built-in GPS positioning navigation.

4. Health and Fitness Tracking

The Q668 includes various sensors for health and fitness monitoring:

• Heart Rate Monitor: Continuously monitors your heart rate with an intelligent algorithm.
• Activity Tracker: Tracks steps, distance, and calories burned. Supports multiple exercise modes like walking, running, and mountaineering.
• Sleep Tracker: Monitors your sleep patterns.

Intelligent heart rate algorithm provides fast and accurate monitoring to protect your health.

Improve training efficiency with multiple exercise modes and real-time data presentation.

5. Camera Functionality

The smartwatch features a 5-megapixel front-facing camera. It supports photography, video recording, and is suitable for video chat.

The 5 million pixel 5.0MP COMS high sensitive sensor supports photography, video, and video chat.

6. Music Playback

Connect to Bluetooth devices like headphones to listen to quality music. You can also download and store local music on the watch's 64GB ROM.

Support Bluetooth connection to listen to quality music and download local music.

7. SOS Function

In case of an emergency, you can quickly activate the SOS function. Press the designated SOS button (or sequence, typically 3 times in a row) to dial a pre-set emergency contact.

Press the SOS button 3 times in a row to dial the emergency number for help.

8. Other Functions

The smartwatch includes various utility functions such as an alarm clock, calendar, stopwatch, timer, one-button power saving mode, do not disturb mode, wrist light, and heart rate warning notifications.

Access various functions including timer, photo taking, and stopwatch for a smart life on your wrist.

9. Watch Faces

Personalize your smartwatch with a variety of exquisite dials to match your style and preferences.

Choose from a rich variety of exquisite dials to express your personality.

Maintenance

1. Cleaning

Wipe the watch screen and body with a soft, dry, lint-free cloth. For stubborn smudges, slightly dampen the cloth with water. Avoid using harsh chemicals, abrasive materials, or compressed air.

2. Water Resistance

The LEMFO Q668 is rated IP67 for life waterproof. This means it is resistant to splashes, rain, and brief immersion in shallow water. It is not suitable for swimming, diving, or high-pressure water activities. Avoid exposing the watch to hot water or steam.

3. Battery Care

• Avoid extreme temperatures, which can degrade battery life.
• Do not leave the watch fully discharged for extended periods.
• Use only the provided charging cable.

4. Software Updates

Regularly check for and install software updates to ensure optimal performance, security, and access to new features. Updates can typically be found in the watch's settings menu under 'System' or 'About Watch'.

Troubleshooting

Common Issues and Solutions

• Watch not turning on: Ensure the watch is fully charged. If it still doesn't turn on, try holding the power button for 15-20 seconds for a forced restart.
• Poor network connectivity (4G/Wi-Fi): Check if the SIM card is correctly inserted and activated. Ensure you are within range of a strong Wi-Fi signal. Restarting the watch can often resolve temporary network issues.
• Apps crashing or freezing: Close and reopen the app. If the issue persists, try clearing the app's cache or reinstalling it. Ensure the watch's software is up to date.
• Inaccurate health data: Ensure the watch is worn snugly on your wrist, but not too tight. Clean the sensors on the back of the watch.
• Battery draining quickly: Reduce screen brightness, disable unnecessary notifications, close background apps, and turn off features like Wi-Fi or GPS when not in use.

If you encounter persistent issues not covered here, please refer to the Warranty/Support section for further assistance.

Specifications

Dimensions and parameters of the LEMFO Q668 Smart Watch.

Warranty and Support

Your LEMFO Q668 Smart Watch comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact the seller directly. The product also offers free returns within 90 days, as per seller policy.

For technical support, troubleshooting assistance, or any questions regarding your device, please contact the official LEMFO customer service or the retailer from whom you purchased the product. Keep your purchase receipt or order number handy for faster service.

User Tips

• Optimize Battery Life: To extend battery life, consider adjusting screen brightness, disabling always-on display, and managing background app usage.
• Regular Updates: Keep your watch's software updated to benefit from the latest features, performance improvements, and security patches.
• App Management: Regularly review installed apps and uninstall those you don't use to free up storage and improve performance.
• Connectivity: For stable video calls and app downloads, prioritize Wi-Fi connections when available.
• Emergency Contacts: Set up your emergency contacts for the SOS function immediately after initial setup for safety.