1. Introduction
Welcome to the LEMFO LEM15 Smart Watch user manual. This guide provides detailed instructions on how to set up, operate, and maintain your new smartwatch. The LEMFO LEM15 is a feature-rich 4G Android smartwatch designed for connectivity and convenience, boasting a large 1.6-inch display, dual cameras, and an integrated power bank for extended use.
2. Specifications
| Feature | Specification |
|---|---|
| Operating System | Android 10.7 |
| CPU | MT6762 8-core |
| Memory | 4GB RAM, 128GB ROM |
| SIM Card | Nano SIM (Independent standby, Hand-free call) |
| Network Support | GSM: 850/900/1800/1900, WCDMA: B1/B2/B5, TD-SCDMA: B34/B39, LTE-FDD: B1/B2/B3/B5/B7/B12/B20, LTE-TDD: B38/B39/B40/B41(100MHz) |
| Display | 1.6-inch HD Round Touch Screen, IPS, 400*400 Pixel, 98% Adobe RGB |
| Cameras | Front: 2MP HD, Side: 5MP HD |
| Data Interface | POGO PIN |
| Battery Capacity | 900mAh (Watch), 900mAh (External Power Bank) |
| Connectivity | Bluetooth 5.0, WiFi, WiFi Hotspot, GPS |
| Water Resistance | IP67 (Suitable for daily hand washing and rain) |
| Band Material | Rubber |
| Case Material | ALLOY with Ceramic Ring Mouth and Back Cover |
| Certifications | CE, EAC, EPA |
| Supported Languages | Indonesia, German, English, Spanish, French, Italian, Polish, Portuguese (Brazil), Portuguese, Vietnamese, Turkish, Russian, Hebrew, Arabic, Persian, Hindi, Bangladeshi, Thai, Burmese, Korean, Chinese (Simplified), Chinese (Traditional), Japanese |
The LEMFO LEM15 features a powerful MTK 6762 8-core processor, 4GB RAM, and 128GB ROM, ensuring smooth performance and ample storage for applications and files. Its 1.6-inch HD round touch screen offers a clear and vibrant visual experience. Dual cameras (2MP front, 5MP side) allow for versatile photo and video capture. With 4G connectivity, WiFi, Bluetooth 5.0, and GPS, the watch provides comprehensive communication and navigation capabilities. The watch is also IP67 waterproof, making it suitable for everyday use.

3. Package Contents
Please check the package for the following items:
- LEMFO LEM15 Smart Watch
- Charging Cable (POGO PIN)
- 900mAh External Power Bank (may be sold separately or included depending on package)
- User Manual (this document)

4. Initial Setup
4.1. Charging the Smart Watch
Before first use, fully charge your LEMFO LEM15 Smart Watch. Connect the provided POGO PIN charging cable to the watch's charging port and a USB power adapter. The watch will display a charging indicator. A full charge typically takes a few hours.
4.2. Powering On/Off
- To Power On: Press and hold the Power button (usually located on the side) until the screen lights up.
- To Power Off: Press and hold the Power button, then select 'Power Off' from the options on the screen.
4.3. SIM Card Installation
The LEMFO LEM15 supports a Nano SIM card for independent calls and 4G internet. Locate the SIM card slot on the watch (refer to the diagram if available). Carefully insert the Nano SIM card into the tray, ensuring correct orientation, and then reinsert the tray into the watch.

4.4. Connecting to Mobile Assistant App
To unlock full functionality, download the companion mobile assistant application on your smartphone. You can usually find a QR code on the watch or in the manual to scan for easy download. Once installed, follow the app's instructions to pair your watch. This enables features like remote capture, music control, and 'Find my device'.
5. Operating Instructions
5.1. Navigation and Interface
The watch features a 1.6-inch HD round touch screen. Swipe across the screen to navigate through menus and applications. The watch also supports gestures like 'Screen on Raising' to activate the display.
5.2. Phone Functions
With a Nano SIM card installed, your watch can function as an independent phone. Access the 'Phone', 'Contacts', and 'SMS' applications from the main menu to make calls, manage contacts, and send/receive text messages.
5.3. Cameras
The LEMFO LEM15 is equipped with dual cameras: a 2MP front camera and a 5MP side camera. Open the 'Camera' application to switch between cameras and capture photos or videos directly from your wrist.

5.4. Health Monitoring
The watch includes several health monitoring features:
- Heart Rate Monitor: Access the 'Heart Rate' application to measure your heart rate.
- Pedometer: The watch automatically tracks your steps. View your daily step count and other activity data in the 'Fitness' app or on compatible watch faces.
- Multi-Sports Mode: The 'Fitness' application allows you to record exercise data for various sports. View detailed analysis of your physical condition during exercise through the watch and the connected mobile app.


5.5. Connectivity
- 4G Internet: With a SIM card, enjoy high-speed 4G internet directly on your watch.
- WiFi: Connect to available WiFi networks via the 'Settings' menu.
- Bluetooth: Pair with Bluetooth headphones or other devices through 'Settings'.
- GPS: The integrated GPS allows for location tracking and navigation.
5.6. Watch Faces
The watch comes with dozens of built-in watch faces. You can also download more from the server when connected to a network, and it supports custom dials to personalize your experience.

5.7. Other Applications
The Android 10.7 OS provides access to various applications including Browser, Gallery, Calendar, Music, File Manager, Weather, Optimization tools, and an APP store for additional downloads.
6. Maintenance
6.1. Cleaning
Wipe the watch and strap regularly with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials.
6.2. Water Resistance
The LEMFO LEM15 is IP67 waterproof, meaning it can withstand daily hand washing and exposure to rain. Important: Do not touch hot water, and do not use the watch in the bath or for swimming, as this may damage the device.

6.3. Battery Care
To prolong battery life, avoid extreme temperatures and fully discharging the battery frequently. The external 900mAh power bank can be used to charge the watch on the go, ensuring stable power supply.

7. Troubleshooting
7.1. Watch Not Powering On
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Press and hold the Power button for 10-15 seconds to attempt a forced restart.
7.2. Connectivity Issues (4G/WiFi/Bluetooth)
- 4G: Check if the Nano SIM card is correctly inserted and activated. Verify network coverage in your area.
- WiFi: Ensure WiFi is enabled in 'Settings' and you are within range of a known network. Re-enter the password if necessary.
- Bluetooth: Make sure Bluetooth is enabled on both the watch and the device you are trying to pair with. Ensure both devices are in pairing mode.
7.3. App Not Syncing with Phone
- Ensure the mobile assistant app is running on your smartphone and the watch is connected via Bluetooth.
- Check for app updates on both the watch and your phone.
- Restart both the watch and your phone.
7.4. Screen Unresponsive
- Restart the watch.
- Ensure the screen is clean and dry.
8. User Tips
- Optimize Battery Life: Utilize the power-saving mode in settings to extend battery life. Adjust screen brightness and turn off unnecessary features like WiFi or GPS when not in use.
- Regular Updates: Check for OTA (Over-The-Air) updates regularly in the watch settings to ensure you have the latest features and performance improvements.
- Explore Watch Faces: Personalize your watch by exploring the wide variety of watch faces available, including downloadable and custom options.
- App Management: Periodically review installed applications and uninstall those you don't use to free up storage and improve performance.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for warranty claims.
Manufacturer Overview Video:
Video 1: A brief overview of the manufacturer's facility.





