1. Introduction
This user manual provides essential information for the safe and efficient operation of your Tuanzi Soyes XS12 Mini 4G Smartphone. Please read this manual thoroughly before using the device to ensure proper setup and functionality. Keep this manual for future reference.
2. What's in the Box
Carefully unpack your Tuanzi Soyes XS12 Mini 4G Smartphone and verify that all items are present:
- Soyes XS12 Smartphone
- USB Type-C Charging Cable
- Charging Adapter (US Standard)
- SIM Card Pin
- Silicone Protective Case
- Screen Protector Film
- User Manual (this document)

Image: Packaging contents of the Soyes XS12 Mini 4G Smartphone.
3. Product Overview
The Tuanzi Soyes XS12 is a compact 4G smartphone designed for portability and essential communication. It features a 3.0-inch display, runs on Android 9.0, and supports dual SIM cards.
Key Features:
- Compact Design: Ultra-thin and lightweight, fitting easily into a pocket.
- 3.0-inch IPS Display: Clear 480 x 854 resolution for a vibrant visual experience.
- Android 9.0 Operating System: Access to Google Play Store and various applications.
- 4G Connectivity: Supports a wide range of 2G, 3G, and 4G network bands for global use.
- Dual SIM Support: Manage two phone numbers simultaneously.
- Facial Recognition: Quick and secure unlocking feature.
- Dual Cameras: 0.3 MP front camera and 5 MP rear camera.

Image: Front and back views of the Soyes XS12 Mini 4G Smartphone.

Image: The Soyes XS12 Mini 4G Smartphone in hand, showcasing its compact form factor and user interface.
4. Setup
4.1. SIM Card and TF Card Installation
- Locate the SIM card tray on the side of the phone.
- Insert the provided SIM card pin into the small hole next to the tray to eject it.
- Place your Nano-SIM cards (up to two) and/or a TF (microSD) card into the designated slots on the tray. Ensure correct orientation.
- Carefully reinsert the tray into the phone until it clicks into place.
4.2. Initial Charging
- Connect the USB Type-C charging cable to the charging port at the bottom of the phone.
- Plug the other end of the cable into the charging adapter.
- Insert the charging adapter into a power outlet.
- Allow the phone to charge completely before first use. The battery indicator on the screen will show charging status.
4.3. Powering On/Off
- To Power On: Press and hold the Power button (usually on the right side) until the screen lights up and the Tuanzi logo appears.
- To Power Off: Press and hold the Power button until the power options menu appears. Select "Power off" and confirm.
5. Operating Instructions
5.1. Basic Navigation
- Touch Screen: Tap to select, swipe to scroll, pinch to zoom.
- Home Button: Returns to the home screen.
- Back Button: Returns to the previous screen.
- Recent Apps Button: Displays recently used applications.
5.2. Making Calls
- Tap the "Phone" icon on the home screen.
- Enter the phone number using the dial pad or select a contact.
- Tap the call button to initiate the call.
5.3. Sending Messages
- Tap the "Messages" icon.
- Tap the "New Message" icon.
- Enter the recipient's number or select from contacts.
- Type your message and tap "Send".
5.4. Connecting to Wi-Fi
- Go to "Settings" > "Network & Internet" > "Wi-Fi".
- Toggle Wi-Fi on.
- Select your desired network from the list and enter the password if prompted.
5.5. Using Bluetooth
- Go to "Settings" > "Connected devices" > "Bluetooth".
- Toggle Bluetooth on.
- Select a device from the "Available devices" list to pair.
5.6. Camera Functions
The phone is equipped with a 0.3 MP front camera and a 5 MP rear camera. Note that some decorative camera lenses may be present but are not functional.
- Tap the "Camera" icon to open the camera application.
- Switch between front and rear cameras as needed.
- Tap the shutter button to take a photo or start/stop video recording.

Image: Rear camera detail of the Soyes XS12 Mini 4G Smartphone.
5.7. Facial Recognition Unlock
Set up facial recognition for quick and secure access to your device.
- Go to "Settings" > "Security & location" > "Face Unlock".
- Follow the on-screen instructions to register your face.
- Once set up, simply look at the front camera to unlock your phone.

Image: Facial recognition unlock feature on the Soyes XS12 Mini 4G Smartphone.
6. Maintenance
6.1. Cleaning Your Device
- Use a soft, lint-free cloth to clean the screen and body of the phone.
- Avoid using harsh chemicals, abrasive cleaners, or aerosol sprays.
- Do not expose the phone to excessive moisture.
6.2. Battery Care
The Soyes XS12 is equipped with a 1250 mAh internal Li-Ion battery.
- To prolong battery life, avoid fully discharging the battery frequently.
- Do not expose the phone to extreme temperatures (hot or cold), as this can degrade battery performance.
- Use only the provided charging cable and adapter.
6.3. Software Updates
Regularly check for and install software updates to ensure optimal performance and security. Go to "Settings" > "System" > "Advanced" > "System update".
7. Troubleshooting
7.1. Phone Not Turning On
- Ensure the battery is charged. Connect the phone to the charger for at least 30 minutes.
- Press and hold the Power button for 10-15 seconds to force a restart.
7.2. Poor Battery Life
- Close unused applications running in the background.
- Reduce screen brightness.
- Disable Wi-Fi, Bluetooth, or GPS when not in use.
- Limit background data usage for apps.
7.3. Network Connectivity Issues
- Verify that your SIM card is correctly inserted and activated.
- Check if your SIM card supports the phone's frequency bands (2G GSM: B3/B5/B8; 3G WCDMA: B1/B5/B8; 4G FDD: B1/B3/B5/B7/B8/B20; TDD: B38/B40/B41).
- Restart the phone.
- Go to "Settings" > "Network & Internet" > "Mobile network" and ensure mobile data is enabled.
7.4. Apps Crashing or Freezing
- Close and reopen the app.
- Clear the app's cache and data in "Settings" > "Apps & notifications" > [App Name] > "Storage & cache".
- Ensure the app is updated to its latest version.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Tuanzi |
| Model | XS12 |
| Operating System | Android 9.0 |
| Processor | MTK6739 Quad Core 1.1 GHz (MediaTek Helio) |
| RAM | 3 GB |
| Internal Storage | 32 GB |
| Display Size | 3.0 Inches |
| Display Resolution | 480 x 854 IPS |
| Aspect Ratio | 16:9 |
| Rear Camera | 5 MP |
| Front Camera | 0.3 MP |
| Battery Capacity | 1250 mAh Li-Ion (Internal) |
| Cellular Technology | 4G FDD (B1/B3/B5/B7/B8/B20), TDD (B38/B40/B41); 3G WCDMA (B1/B5/B8); 2G GSM (B3/B5/B8) |
| Connectivity | Bluetooth, Wi-Fi, USB Type-C |
| SIM Card Slots | Dual SIM + 1 TF Card Slot |
| Dimensions | 8.95 x 4.55 x 1.15 cm |
| Weight | 4 g (phone only) |
| Model Year | 2021 |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.