1. Introduction
The Huidun NOTE10 is a compact 5-inch smartphone designed for ease of use and portability. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device. Please read this manual thoroughly before using your smartphone to ensure proper function and safety.

Image: The Huidun NOTE10 is suitable for various users, including children, seniors, and as a secondary device.
2. Product Overview
2.1 Key Features
- Compact Design: 5-inch display for comfortable one-handed operation and easy portability.
- Performance: 12GB RAM (3GB + 9GB extended) and 32GB internal storage, expandable up to 512GB via TF card. Runs on Android 11.
- Long-lasting Battery: 2900mAh battery with Type-C charging for all-day use.
- Connectivity: Supports 4G LTE, Wi-Fi, Bluetooth, and high-accuracy GPS, GLONASS, and Galileo navigation.
- Security: Convenient face recognition (Face Unlock) for quick and secure access.
- Camera: Equipped with a 5MP rear camera and a 2MP front camera for capturing photos and video calls.

Image: An overview of the Huidun NOTE10's main features, including its compact size, memory, connectivity, and security options.
2.2 Device Layout

Image: Front and rear view of the Huidun NOTE10 smartphone.
- Front: 5-inch display, Front Camera (2MP), Earpiece.
- Rear: Rear Camera (5MP), LED Flash, Speaker.
- Sides: Power Button, Volume Buttons, SIM/TF Card Slot, USB Type-C Port, 3.5mm Headphone Jack.
3. Setup
3.1 SIM Card and TF Card Installation
The Huidun NOTE10 supports dual Nano SIM cards and a TF (microSD) card for expanded storage. Follow these steps to properly install your cards:
- Locate the SIM card tray on the side of the device.
- Insert the SIM ejector tool (not included, use a thin pin) into the small hole next to the tray and push gently until the tray pops out.
- Place your Nano SIM cards and/or TF card into the designated slots on the tray, ensuring the gold contacts face downwards.
- Carefully reinsert the tray into the phone until it clicks into place.

Image: Visual guide for SIM and TF card insertion.
3.2 Initial Power On and Setup
After installing your cards, press and hold the Power Button on the side of the phone until the Huidun logo appears. Follow the on-screen prompts to complete the initial setup, which typically includes:
- Language selection
- Connecting to a Wi-Fi network
- Setting up your Google account
- Setting up screen lock (PIN, pattern, or face unlock)
3.3 Charging the Battery
Before first use, it is recommended to fully charge the device. Connect the provided USB Type-C cable to the phone's charging port and the other end to a compatible power adapter. A full charge typically takes approximately 3 hours. The battery indicator on the screen will show charging status.
4. Operating Instructions
4.1 Basic Navigation
- Touch: Tap an icon to open an app or select an item.
- Swipe: Drag your finger across the screen to scroll or navigate between screens.
- Pinch: Use two fingers to zoom in or out on photos and web pages.
- Home Screen: Swipe up from the bottom of the screen to access the app drawer. Swipe down from the top for notifications and quick settings.
4.2 Making Calls and Sending Messages
- Calls: Open the Phone app, enter the desired number, and tap the call icon. To call a contact, open the Contacts app and select a contact.
- Messages: Open the Messaging app, tap the new message icon, enter the recipient and your message, then tap send.
4.3 Face Unlock
To set up face unlock, go to Settings > Security > Face Unlock and follow the on-screen instructions to register your face. Once set up, simply hold the phone up to your face to unlock it.
4.4 Connectivity (Wi-Fi, Bluetooth, GPS)
- Wi-Fi: To connect to a Wi-Fi network, go to Settings > Network & Internet > Wi-Fi. Select your desired network and enter the password if required.
- Bluetooth: To pair with Bluetooth devices, go to Settings > Connected devices > Bluetooth. Turn on Bluetooth and select a device to pair.
- GPS: GPS, GLONASS, and Galileo are supported for location services. Ensure location access is granted for apps that require it in Settings > Location.

Image: The Huidun NOTE10 displaying various commonly used applications.
5. Maintenance
5.1 Cleaning Your Device
Use a soft, lint-free cloth to gently clean the screen and body of your phone. Avoid using abrasive materials, harsh chemicals, or aerosol sprays, as these can damage the device's finish or internal components.
5.2 Software Updates
Regularly check for system updates to ensure your device has the latest features, security patches, and performance improvements. Go to Settings > System > System update to check for and install available updates.
5.3 Battery Care
To prolong the lifespan of your battery:
- Avoid exposing the phone to extreme temperatures (very hot or very cold).
- Do not frequently let the battery completely drain to 0%.
- Unplug the charger once the battery is fully charged.
5.4 Storage Management
Periodically review and clear unnecessary files, photos, and applications to maintain sufficient storage space and optimize performance. You can manage storage in Settings > Storage.
6. Troubleshooting
If you encounter issues with your Huidun NOTE10, refer to the table below for common problems and their solutions.
| Issue | Solution |
|---|---|
| Phone won't turn on | Ensure the battery is charged. Press and hold the power button for 10-15 seconds to force a restart. |
| Apps crashing or freezing | Clear the app's cache (Settings > Apps > [App Name] > Storage > Clear cache). Restart the phone. |
| Poor network signal | Check if the SIM card is correctly installed. Move to an area with better network coverage. |
| Battery drains quickly | Close background applications. Reduce screen brightness. Disable unnecessary features like GPS or Bluetooth when not in use. |
| Face Unlock not working | Ensure your face is well-lit and clear of obstructions. Re-register your face data in Settings > Security > Face Unlock. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Huidun |
| Model | NOTE10 |
| Operating System | Android 11.0 |
| RAM | 12 GB (3GB + 9GB extended) |
| Internal Storage | 32 GB |
| Expandable Storage | Up to 512GB (TF card) |
| Screen Size | 5 inches |
| Resolution | 854x480 (HD+) |
| Refresh Rate | 60Hz |
| Battery Capacity | 2900 mAh |
| Charging Port | USB Type-C |
| Rear Camera | 5 MP |
| Front Camera | 2 MP |
| Connectivity | 4G LTE, Wi-Fi, Bluetooth |
| Navigation | GPS, GLONASS, Galileo |
| Biometric Security | Face Recognition |
| Headphone Jack | 3.5 mm |
| SIM Card Slots | Dual Nano SIM |
| Dimensions | 13.5 x 7 x 1.1 cm |
| Weight | 150 grams |
8. Warranty and Support
The Huidun NOTE10 smartphone comes with a 3-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
For warranty service, technical support, or any inquiries regarding your device, please contact your retailer or Huidun customer service through the contact information provided at the time of purchase.