1. Introduction
The OUKITEL WP28 is a rugged smartphone designed for durability and performance. It features a large battery, advanced camera system, and robust protection against environmental elements. This manual will guide you through the setup, operation, and maintenance of your device.

Image: Front and back view of the OUKITEL WP28 Rugged Smartphone.
Product Overview Video
Video: An overview demonstrating the OUKITEL WP28's features, including its ruggedness, camera capabilities, display, and performance.
2. What's in the Box
Upon opening your OUKITEL WP28 package, you should find the following items:
- OUKITEL WP28 Smartphone
- USB Data Cable
- User Manual (this document)
- Power Adapter
- Warranty Card
- Quick Start Guide
- SIM Pin

Image: The OUKITEL WP28 smartphone and its included accessories, such as the power adapter, USB cable, and documentation.
3. Setup
3.1. SIM and TF Card Installation
The OUKITEL WP28 supports dual SIM cards or one SIM card and one TF (microSD) card for expanded storage. Use the provided SIM pin to open the card tray.
- Locate the SIM card tray on the side of the device.
- Insert the SIM pin into the small hole next to the tray and press gently until the tray ejects.
- Place your Nano-SIM card(s) and/or TF card into the designated slots on the tray. Ensure the gold contacts are facing down.
- Carefully reinsert the tray into the phone until it clicks into place.

Image: Illustration of how to correctly insert SIM cards and a TF card into the OUKITEL WP28's card tray.
3.2. Initial Power On
To power on your device for the first time:
- Press and hold the Power button (usually on the right side) for a few seconds until the OUKITEL logo appears.
- Follow the on-screen instructions to complete the initial setup, including language selection, Wi-Fi connection, and Google account setup.
3.3. Charging the Device
Before first use, it is recommended to fully charge your OUKITEL WP28. The device features a 10600mAh battery and supports fast charging.
- Connect the USB cable to the power adapter.
- Plug the power adapter into a wall outlet.
- Connect the USB-C end of the cable to the charging port on your phone.
- The charging indicator will appear on the screen. A full charge typically takes approximately 3.5 hours.

Image: The OUKITEL WP28 connected to a charger, highlighting its 10600mAh battery capacity and fast charging capability.

Image: Graphical representation of the OUKITEL WP28's 10600mAh battery life, showing estimated standby, music, video, game, and call times.
4. Operating Instructions
4.1. Basic Functions
- Power Button: Press and hold to power on/off or restart. Short press to wake/sleep the screen.
- Volume Buttons: Press to adjust media volume during playback or ringtone volume when idle.
- Fingerprint Sensor: Located on the rear of the device for secure unlocking.

Image: Side view of the OUKITEL WP28, indicating the location of the power and volume buttons.
4.2. Display Features
The OUKITEL WP28 features a 6.52-inch HD+ display with a resolution of 720 x 1600 pixels, providing clear visuals for various tasks.

Image: The OUKITEL WP28's 6.52-inch HD+ display showcasing a colorful image.

Image: The OUKITEL WP28's 6.517-inch HD+ display, emphasizing its high-quality visual experience for media consumption.
4.3. Camera Usage
Capture moments with the OUKITEL WP28's versatile camera system:
- Rear Camera: 48MP main camera for high-resolution photos.
- Macro Camera: 2MP for detailed close-up shots.
- Front Camera: 5MP for selfies and video calls.
- LED Flash: Provides illumination in low-light conditions.

Image: Close-up of the OUKITEL WP28's rear camera module, highlighting the 48MP main camera, macro camera, and LED flash.

Image: Detailed view of the OUKITEL WP28's camera setup, including the 48MP rear camera, 2MP macro camera, 5MP front camera, and fingerprint unlock sensor.
4.4. Connectivity
The OUKITEL WP28 offers various connectivity options:
- 4G LTE: For fast mobile data connectivity.
- Wi-Fi: Connect to wireless networks for internet access.
- NFC: Supports Near Field Communication for contactless payments (e.g., Google Pay) and data transfer.
- GPS: Integrated GPS, Galileo, Glonass, and Beidou for accurate navigation.
- OTG: On-The-Go functionality allows connecting USB devices and charging other devices.

Image: The OUKITEL WP28 demonstrating its GPS navigation system, dual SIM card support, and 4G LTE / 5G Wi-Fi connectivity.

Image: The OUKITEL WP28 showcasing NFC for Google Pay and its ability to charge other devices via OTG.
4.5. Operating System
The OUKITEL WP28 runs on Android 13.0, offering enhanced privacy features, improved user interface, and access to a wide range of applications through the Google Play Store.

Image: The OUKITEL WP28 displaying the Android 13 interface, highlighting its focus on user privacy.

Image: A collage of Android 13 features and user interface elements as seen on the OUKITEL WP28.
4.6. Storage and Performance
The device is equipped with 8GB of RAM (expandable to 15GB with virtual memory) and 256GB of internal storage, which can be further expanded up to 1TB via a TF card. It is powered by an Octa-core CPU for smooth operation.

Image: Visual representation of the OUKITEL WP28's 15GB RAM (8GB physical + 7GB virtual) and 256GB ROM, expandable up to 1TB.

Image: Diagram illustrating the OUKITEL WP28's Octa-core processor, 15GB RAM, and 256GB ROM with 1TB expansion capability.
5. Rugged Features
The OUKITEL WP28 is built to withstand harsh environments, featuring:
- IP68 Waterproof: Protected against continuous immersion in water.
- IP69K Dustproof: Protected against close-range high-pressure, high-temperature spray downs.
- MIL-STD-810H Drop-proof: Certified to military standards for resistance against drops and impacts.

Image: The OUKITEL WP28 submerged in water, covered in dust, and shown resisting drops, illustrating its IP68, IP69K, and MIL-STD-810H ratings.
6. Maintenance
To ensure the longevity and optimal performance of your OUKITEL WP28, follow these maintenance guidelines:
- Cleaning: Use a soft, damp cloth to clean the device. Avoid harsh chemicals or abrasive materials.
- Port Protection: Ensure all port covers (USB-C, SIM tray) are securely closed to maintain water and dust resistance.
- Software Updates: Regularly check for and install system updates to benefit from the latest features and security patches.
- Battery Care: Avoid extreme temperatures and prolonged exposure to direct sunlight. Do not fully discharge the battery frequently.
7. Troubleshooting
If you encounter issues with your OUKITEL WP28, try the following common troubleshooting steps:
- Device Not Turning On: Ensure the battery is charged. Connect to the charger and wait a few minutes before attempting to power on again.
- Apps Crashing/Freezing: Close and reopen the app. If the issue persists, clear the app's cache or reinstall it.
- Poor Network Signal: Check if your SIM card is properly inserted. Move to an area with better network coverage.
- Touchscreen Unresponsive: Restart the device. If unresponsive, force restart by holding the power button for an extended period (e.g., 10-15 seconds).
- Battery Draining Quickly: Check background app usage and adjust power-saving settings. Reduce screen brightness.
For more complex issues, refer to the official OUKITEL support website or contact customer service.
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | WP28 |
| Operating System | Android 13.0 |
| RAM | 8 GB (expandable to 15 GB) |
| Memory Storage Capacity | 256 GB (expandable up to 1 TB via TF card) |
| Screen Size | 6.52 Inches |
| Resolution | 720 x 1600 pixels (HD+) |
| CPU Model | A-Series (Octa-core) |
| CPU Speed | 2 GHz |
| Battery Capacity | 10600 Milliamp Hours |
| Charging Time | 3.5 Hours |
| Rear Camera | 48MP Main Camera, 2MP Macro Camera |
| Front Camera | 5MP |
| Durability Ratings | IP68, IP69K, MIL-STD-810H |
| Connectivity | 4G LTE, Wi-Fi, NFC, GPS (GPS, Galileo, Glonass, Beidou) |
| Wireless Carrier | T-Mobile (compatibility may vary with other carriers) |
| Item Weight | 1.54 pounds |
| Dimensions | 9.65 x 9.09 x 2.13 inches (Package) |
9. Warranty and Support
Your OUKITEL WP28 Rugged Smartphone comes with a manufacturer's warranty. Please refer to the included Warranty Card for details regarding coverage, terms, and conditions.
For technical support, service, or further inquiries, please visit the official OUKITEL website or contact their customer service department using the information provided in your warranty documentation.





