1. Introduction
This manual provides essential information for the proper use and maintenance of your Tuanzi XS15 3G Mini Smartphone. Please read this guide thoroughly before operating your device to ensure optimal performance and longevity.

Figure 1: The Tuanzi XS15 Mini Smartphone, showcasing its compact design and Android interface.
2. What's in the Box
Upon opening your Tuanzi XS15 package, you should find the following items:
- Soyes XS15 Miniphone
- Screen Film
- Charging Cable
- User Manual (this document)
3. Product Overview
The Tuanzi XS15 is a compact 3G smartphone designed for portability and essential communication. It features a 3.0-inch HD screen and runs on Android 8.1.
3.1. Physical Features

Figure 2: Front and rear view of the XS15 Mini Smartphone, highlighting its small size and camera module.

Figure 3: The XS15 Mini Smartphone's size compared to a standard credit card, emphasizing its portability.

Figure 4: Side view of the XS15, detailing the placement of physical buttons.

Figure 5: Detailed view of the XS15's rear camera setup, including the flash.
4. Setup
4.1. SIM Card Installation
The XS15 supports dual SIM cards. To install your SIM card(s):
- Locate the SIM card tray on the side of the device.
- Use the provided SIM ejector tool to open the tray.
- Carefully place your 2G/3G compatible SIM card(s) into the designated slots.
- Ensure the SIM card(s) are properly seated, then reinsert the tray into the phone.
Note: This is a 3G mini Smartphone. Some SIM card carriers have discontinued 2G and 3G network support. Please verify your SIM card supports 2G GSM 850/900/1800/1900 or 3G WCDMA/B1/B2/B5/B8 frequencies before use.

Figure 6: The XS15 Mini Smartphone demonstrating its dual SIM card capability.
4.2. Initial Power-On and Charging
- Press and hold the Power button (located on the side) until the screen lights up.
- Follow the on-screen prompts to complete the initial setup, including language selection, Wi-Fi connection, and Google account setup.
- To charge the device, connect the provided USB Type-C charging cable to the phone's charging port and a compatible USB power adapter.

Figure 7: The XS15's 3.0-inch HD screen, providing clear visuals for daily use.
5. Operating Instructions
5.1. Basic Phone Functions
- Making Calls: Tap the Phone icon, enter the number, and tap the call button.
- Sending Messages: Tap the Messaging icon, compose your message, and send.
- Contacts: Manage your contacts through the Contacts application.
5.2. Camera Usage
The XS15 features dual cameras: a 0.3 Mpx front camera (with beautifying features) and a 2 Mpx rear camera. Note that only one rear camera is functional; others are decorative.
- Tap the Camera icon to open the camera application.
- Switch between front and rear cameras as needed.
- Tap the shutter button to capture photos or start/stop video recording.

Figure 8: Using the front camera for selfies on the XS15 Mini Smartphone.
5.3. Connectivity
- Wi-Fi: Connect to available Wi-Fi networks via Settings > Network & Internet > Wi-Fi.
- Bluetooth: Pair with Bluetooth devices (e.g., headphones) via Settings > Connected devices > Bluetooth.
- Hotspot Sharing: Share your phone's internet connection with other devices via Settings > Network & Internet > Hotspot & tethering.
- GPS: The device includes built-in GPS for navigation and location services.
5.4. Applications and Storage
The XS15 runs on Android 8.1 and is compatible with the Google Play Store, allowing you to download various applications like WhatsApp, Facebook, and YouTube. It comes with 2GB RAM and 16GB ROM for smooth operation and storage.

Figure 9: The XS15 Mini Smartphone displaying its Android app interface.
6. Battery Management
The XS15 is equipped with a 1000mAh internal polymer battery. For optimal battery life:
- Charge the device fully before first use.
- Use the provided charging cable for best results.
- Avoid extreme temperatures during charging and operation.

Figure 10: The XS15 Mini Smartphone connected to a charger, indicating battery status.
7. Troubleshooting
If you encounter issues with your XS15, refer to the following common solutions:
- Network Connectivity: Ensure your SIM card supports 2G/3G frequencies (GSM 850/900/1800/1900; WCDMA/B1/B2/B5/B8). Check with your carrier for compatibility.
- Wi-Fi Connection Issues: Verify the Wi-Fi password is correct. Restart your router and the phone.
- Slow Performance: Close unused applications. Clear cache regularly. Consider a factory reset if performance significantly degrades (backup data first).
- Battery Draining Quickly: Reduce screen brightness. Disable unnecessary background apps and services.
8. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 3.48 x 1.78 x 0.43 inches |
| Item Weight | 5.9 ounces |
| Operating System | Android 8.1 |
| RAM | 2 GB |
| Memory Storage Capacity | 16 GB |
| Screen Size | 3.0 Inches |
| Resolution | 240*432 |
| CPU Model | MediaTek Helio Quad Core |
| CPU Speed | 1.3 GHz |
| Wireless Communication | Bluetooth, Cellular (3G), Wi-Fi |
| Connectivity Technologies | Bluetooth, USB, Wi-Fi |
| GPS | Built-In GPS |
| Rear Camera | 2 Mpx (functional) |
| Front Camera | 0.3 Mpx (with Beautifying) |
| Battery Capacity | 1000 mAh |
| Phone Talk Time | 3 Hours |
| Dual SIM | Yes |
9. Official Product Videos
Watch these official videos for a visual guide to the Tuanzi XS15 Mini Smartphone's features and usage.
Soyes XS11 Mini 3G Smartphone Overview
Video 1: This video provides an overview of the Soyes XS11 mini 3G Smartphone, showcasing its compact design and basic functionalities. Note: While the video title mentions XS11, the content is relevant to the XS15's general features as a mini 3G smartphone.
Soyes XS15 Mini 3G Card Smartphone Features
Video 2: This video highlights the key features of the Soyes XS15 Mini 3G Card Smartphone, including its size, Android system, camera, and connectivity options.
10. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact Tuanzi customer service directly. Keep your proof of purchase for any warranty claims.