1. Product Overview
The LOKMAT 4G SIM Card Smart Watch is a versatile device combining smartwatch functionalities with a standalone phone. It features a 2.4-inch TFT screen, dual cameras, and runs on Android 10.7. This manual provides instructions for its setup, operation, and maintenance.

Figure 1.1: LOKMAT 4G SIM Card Smart Watch (6GB+128GB)
2. What's in the Box
Verify that all items are present in the package:
- LOKMAT Smart Watch
- Watch Band
- Charging Cable
- User Manual

Figure 2.1: Contents of the LOKMAT Smart Watch package, including the watch, charging cable, and user manual.
3. Setup Guide
3.1 SIM Card Installation
The smartwatch supports Nano SIM cards for standalone calling and network access. Ensure the SIM card is activated by your carrier before installation.
- Locate the SIM card slot on the side of the watch.
- Carefully insert a Nano SIM card into the tray.
- Push the tray back into the watch until it clicks into place.

Figure 3.1: Illustration of the SIM card slot and Nano SIM card for network connectivity.
3.2 Initial Power On
To power on the device for the first time:
- Press and hold the power button located on the side of the watch for approximately 2 seconds.
- The LOKMAT logo will appear, indicating the device is booting up.
- The first boot may take longer than usual. Please wait for the system to load completely.
- Once the system is ready, select your preferred language.
3.3 Charging the Device
Before first use, fully charge the smartwatch. Use the provided magnetic charging cable.
- Connect the magnetic end of the charging cable to the charging contacts on the back of the watch.
- Connect the USB-A end of the cable to a compatible USB power adapter (5V/1A or higher) or a computer USB port.
- The watch screen will display a charging indicator.
- A full charge typically takes a few hours.
3.4 App Connection
To unlock full features and synchronize data, connect your smartwatch to the companion app, "GAO FIT".
- Download the "GAO FIT" app from the Google Play Store (for Android) or Apple App Store (for iOS).
- Ensure Bluetooth is enabled on your smartphone.
- Open the "GAO FIT" app and navigate to the "Device" section.
- Select "Add a new device" and follow the on-screen prompts to pair with your LOKMAT Smart Watch.
- Confirm the pairing request on both your phone and the watch.

Figure 3.2: The smartwatch connected to the GAO FIT app, displaying health data and settings.

Figure 3.3: Step-by-step guide for connecting the smartwatch to an iOS device via the GAO FIT app.
3.5 Notification Setup
To receive messages and app notifications on your smartwatch, configure settings in the GAO FIT app and your phone's system settings.
For iOS Devices:
- Ensure the GAO FIT app is running in the background.
- In the GAO FIT app, go to "Device" > "SMS" and enable desired apps for notifications.
- On your iPhone, go to "Settings" > "Bluetooth", tap the 'i' icon next to your watch, and enable "Share System Notifications".
- Also, in iPhone "Settings" > "Notifications", find "GAO FIT" and ensure notifications are allowed.

Figure 3.4: Instructions for enabling message and app notifications on iOS devices.
For Android Devices:
- Keep the GAO FIT app active and add it to your phone's whitelist to prevent background closure.
- Disable "Do Not Disturb" and "Low Power Mode" on your phone.
- In the GAO FIT app, go to "Device" > "SMS Reminder" and enable notifications for desired applications.
- Grant "GAO FIT" access to notifications in your phone's system settings.

Figure 3.5: Instructions for enabling message and app notifications on Android devices.
4. Operating Instructions
4.1 Basic Navigation
The smartwatch features a touch-sensitive screen for navigation:
- Swipe Up: Display exercise data.
- Swipe Down: Access quick settings (battery level, time, settings).
- Press and Hold Screen: Change watch faces.
- Side Button: Typically acts as a back button or to access the main menu.
4.2 Dual System Switching
The watch supports both an independent Android 10.7 system and a sports bracelet mode. You can switch between these modes with a single click to optimize for daily smart operations or lightweight monitoring during sports.
4.3 Making and Receiving Calls
With a Nano SIM card installed, the smartwatch can make and receive calls independently.
- Access the "Phone" application from the main menu.
- Dial numbers directly or select contacts to initiate a call.
- Incoming calls will display on the screen, allowing you to answer or reject them.

Figure 4.1: The smartwatch displaying an incoming call, demonstrating its 4G calling capability.
4.4 Camera Functions
The watch is equipped with dual cameras: a 2MP side camera for general photography and a 0.3MP front camera for video calls.
- Open the "Camera" application to take photos or record videos.
- Switch between the front and side cameras as needed.
- Use the front camera for video communication through supported apps.

Figure 4.2: The smartwatch showcasing its dual camera system, suitable for both photos and video calls.
4.5 Media and Applications
The Android 10.7 operating system allows for smooth operation of various applications, including media playback, gaming, and social media.
- Access the app drawer to view and launch installed applications.
- The 2.4-inch screen with 640x480 resolution provides a clear visual experience for watching videos or browsing content.
- Connect Bluetooth headphones for audio playback.

Figure 4.3: The smartwatch displaying video content, highlighting its media consumption capabilities.

Figure 4.4: The smartwatch running a game, demonstrating the smooth performance of the Android 10.7 system.

Figure 4.5: The smartwatch displaying a social media application, illustrating its instant messaging capabilities.
4.6 Flashlight Function
The smartwatch includes a built-in flashlight for convenience.
- Access the quick settings menu by swiping down from the top of the screen.
- Tap the flashlight icon to turn it on or off.
Video 4.1: An unboxing and feature overview of the LOKMAT Smart Watch, demonstrating the flashlight function and user interface navigation.
5. Health and Fitness Features
5.1 Heart Rate, Blood Oxygen, and Sleep Monitoring
The smartwatch continuously monitors key health metrics to provide insights into your physical status.
- Heart Rate: Tracks your heart rate 24/7, helping you adjust exercise intensity.
- Blood Oxygen: Uses optical sensors to detect blood oxygen saturation levels.
- Sleep Monitoring: Analyzes sleep patterns and quality, providing reports to help improve sleep habits.
- Breathing Training: Guides you through breathing exercises for relaxation.

Figure 5.1: Overview of the smartwatch's health monitoring capabilities, including heart rate, blood oxygen, and sleep tracking.
5.2 GPS Positioning
Integrated GPS/Beidou/GLONASS/AGPS multi-mode positioning provides accurate location tracking for outdoor activities.
- Enables precise tracking of routes and distances during running, walking, and other outdoor sports.
- Assists in scientific exercise planning by providing location-based data.

Figure 5.2: The smartwatch displaying GPS tracking data during an outdoor activity.
5.3 Sport Modes
The watch offers various sport modes to accurately record exercise data.
- Select the appropriate sport mode before starting an activity to track metrics like steps, calories, and heart rate.
- Available modes include Outdoor Run, Outdoor Bike, Indoor Run, Play Basketball, Play Football, and more.

Figure 5.3: The smartwatch interface showing various exercise modes for tracking different physical activities.
6. Specifications
| Feature | Detail |
|---|---|
| Operating System | Android 10.7 |
| Memory Storage Capacity | 128 GB |
| RAM Memory Installed | 6 GB |
| Screen Size | 2.4 Inches |
| Resolution | 640 x 480 |
| Battery Capacity | 1500 mAh (Lithium Polymer) |
| Connectivity Technology | Wi-Fi, Bluetooth 5.0, 4G Cellular |
| GPS | Built-in GPS (GPS/Beidou/GLONASS/AGPS) |
| Cameras | 2MP Side Camera, 0.3MP Front Camera |
| Health Metrics Measured | Heart Rate Monitor, Step Counter, Calorie Tracker |
| Water Resistance Level | Not Water Resistant |
| Band Material Type | Silicone |
| Case Material Type | Metal |
| Item Weight | 4 Ounces |
7. Troubleshooting
This section addresses common issues you might encounter.
7.1 SIM Card Not Recognized
- Ensure the SIM card is a standard Nano SIM and is inserted correctly.
- Check if the SIM card slot is clean and free from debris.
- Verify that the SIM card is active with your mobile carrier.
- Restart the watch after inserting the SIM card.
7.2 Connectivity Issues (Bluetooth/Wi-Fi)
- Ensure Bluetooth and Wi-Fi are enabled on both the watch and your connected device.
- Move closer to your Wi-Fi router or connected Bluetooth device.
- Restart both the watch and the connected device.
- If using the app, ensure it is running in the background and has necessary permissions.
7.3 Short Battery Life
- High-frequency use of features like 4G calling, GPS, and third-party apps will consume more battery.
- Reduce screen brightness and disable unnecessary background apps.
- Switch to sports bracelet mode for lighter monitoring during activities to conserve power.
7.4 Device Overheating
- Extended use of high-power applications or games can cause the device to warm up. This is normal.
- If the device becomes excessively hot, close demanding applications and allow it to cool down.
7.5 GPS Function Failure
- Ensure you are in an open outdoor area with a clear view of the sky for optimal GPS signal reception.
- Check if GPS is enabled in the watch settings.
- Restart the device to refresh GPS modules.
8. Maintenance
Proper care ensures the longevity and performance of your smartwatch.
- Cleaning: Wipe the watch and band regularly with a soft, dry cloth. Avoid harsh chemicals.
- Water Exposure: This device is not water resistant. Avoid exposure to water, including swimming, showering, or heavy rain.
- Storage: Store the watch in a cool, dry place when not in use.
- Charging: Use only the provided charging cable.
9. Warranty Information
The LOKMAT 4G SIM Card Smart Watch comes with a Limited Manufacturer Warranty. Please refer to the warranty card included in your package for specific terms and conditions. Typically, this covers manufacturing defects for a period of 1 year from the date of purchase.
10. Support
For further assistance, technical support, or warranty claims, please contact LOKMAT customer service through their official channels. Refer to the contact information provided on the product packaging or the official LOKMAT website.