Introduction
Welcome to the FOSSIBOT DT3 10.4" 5G Rugged Tablet user manual. This guide provides essential information for setting up, operating, maintaining, and troubleshooting your device. The FOSSIBOT DT3 is engineered for extreme durability and high performance, featuring a MediaTek Dimensity 7300 processor, Android 15 OS, a massive 21560mAh battery, and IP68/IP69K/MIL-STD-810H certifications for robust protection.
What's in the Box
- FOSSIBOT DT3 Rugged Tablet
- 66W Charger
- Micro USB Cable
- Anti-explosion Screen Protector
- SIM Eject Tool
- Screwdriver
- Ear Hook
- Ear Hook Screw
- Wrist Strap
- User Manual
- Warranty Card
- Battery Warning Label

Image: All items included in the FOSSIBOT DT3 retail package, neatly arranged.
Physical Overview
Familiarize yourself with the physical components of your FOSSIBOT DT3 tablet.
Front View

Image: The front of the FOSSIBOT DT3 tablet, showcasing its 10.4-inch 2K IPS display.
Rear View and Cameras

Image: Close-up of the rear of the FOSSIBOT DT3, highlighting the 64MP main camera and the 1W camp light.
Side Views and Ports

Image: Side view of the FOSSIBOT DT3, showing the ruggedized frame and button placement.

Image: Close-up of the SIM card tray on the FOSSIBOT DT3, indicating dual SIM and microSD card support.
Built-in Camp Light

Image: The FOSSIBOT DT3's rear panel with the 1W camp light illuminated, demonstrating its utility in low-light conditions.
Setup
Inserting SIM/MicroSD Cards
To insert your SIM or MicroSD cards, locate the SIM tray on the side of the tablet. Use the provided SIM eject tool to open the tray. Carefully place your 5G SIM cards and/or MicroSD card into the designated slots. Ensure the tray is securely closed to maintain the device's waterproof and dustproof integrity.
Initial Power On
Press and hold the power button located on the side of the tablet until the FOSSIBOT logo appears. Follow the on-screen prompts to complete the initial setup, including language selection, Wi-Fi connection, and Google account setup.
Operating Instructions
Display and Visuals
The FOSSIBOT DT3 features a brilliant 10.4-inch 2K scratch-resistant IPS display, optimized for outdoor visibility. Enjoy crisp visuals with a 1200x2000 MP resolution.

Image: The FOSSIBOT DT3 displaying vibrant content on its 10.4-inch 2K IPS screen.
Camera Functions
Capture precise site documentation with the 64MP main camera and conduct professional video conferences with the 32MP front camera. The tablet is equipped with AI camera features for enhanced photography.

Image: Visual representation of the FOSSIBOT DT3's 64MP rear camera and 32MP front camera capabilities.
Connectivity
Experience lightning-fast data transfers and crystal-clear video conferences with dual 5G SIM support and Wi-Fi 6 connectivity. The tablet is designed for reliable performance even in remote locations.

Image: Graphic illustrating the FOSSIBOT DT3's advanced Wi-Fi 6 technology for faster and more stable connections.
Processor and Performance
Powered by the advanced MediaTek Dimensity 7300 processor and the latest Android 15 OS, the FOSSIBOT DT3 ensures extreme productivity and smooth operation for demanding applications.

Image: Diagram of the MediaTek Dimensity 7300 5G Chipset, highlighting its peak performance and 4nm process.
Operating System
The FOSSIBOT DT3 runs on the latest Android 15 operating system, providing an intuitive user experience and access to a wide range of applications.

Image: The FOSSIBOT DT3 displaying the Android 15 interface with various applications.
Product Overview Video
Video: An official overview of the FOSSIBOT DT3 10.4" 5G Rugged Tablet, showcasing its design and key features.
Battery and Charging
The FOSSIBOT DT3 is powered by a massive 21560mAh battery, providing over 24 hours of continuous operation. The 66W turbo charging technology ensures rapid power recovery. Advanced battery management maintains over 80% capacity after 500 cycles, ensuring long-term reliability.

Image: Illustration of the FOSSIBOT DT3's large 21560mAh battery and 66W fast charging capability, detailing usage times for various activities.
Durability and Protection
Built to military standards (MIL-STD-810H) with IP68/IP69K ratings, the FOSSIBOT DT3 offers complete protection against 5-foot drops, water immersion, dust ingress, and extreme temperatures. It is designed to withstand harsh environments.

Image: The FOSSIBOT DT3 demonstrating its MIL-STD-810H, IP68, and IP69K certifications for drop, dust, and water resistance in various challenging environments.
Maintenance
- Cleaning: Use a soft, damp cloth to clean the device. Avoid harsh chemicals.
- Software Updates: Regularly check for and install software updates to ensure optimal performance and security.
- Storage Management: Periodically clear unnecessary files and applications to free up storage space and improve device speed.
Troubleshooting
- Device Not Responding: Press and hold the power button for 10-15 seconds to force a restart.
- Connectivity Issues: Check Wi-Fi and 5G settings. Restart your router or contact your network provider if problems persist.
- Battery Draining Quickly: Reduce screen brightness, close background apps, and disable unnecessary features like GPS or Bluetooth when not in use.
- Performance Slowdown: Clear cache, uninstall unused apps, or perform a factory reset if issues persist (back up data first).
Specifications
| Feature | Detail |
|---|---|
| Standing Screen Display Size | 10.4 Inches |
| Screen Resolution | 2560*1440 |
| Max Screen Resolution | 1200*2000 MP |
| Processor | MediaTek Dimensity 7300 (2.5 GHz) |
| RAM | DIMM DDR (32GB RAM) |
| Memory Storage Capacity | 256 GB |
| Operating System | Android 15 |
| Wireless Type | Wi-Fi 6, 5G |
| Average Battery Life (in hours) | 1800 Hours (Standby) |
| Item Weight | 3.85 pounds |
| Product Dimensions | 9.97 x 6.42 x 0.8 inches |
| Color | Blue |
| Durability | MIL-STD-810H, IP68/IP69K Waterproof/Dustproof |
Warranty and Support
The FOSSIBOT DT3 comes with a comprehensive 2-year replacement warranty. Additionally, 24/7 online after-sales support with real-time response is provided for efficient and convenient service. The FOSSIBOT Official Team is dedicated to serving your needs.
For further assistance, please visit the official FOSSIBOT website or contact customer support.





