Introduction
This manual provides essential information for the safe and effective use of your FOSSIBOT F116 Pro Rugged Smartphone. The F116 Pro is designed for durability and performance, featuring a 5G connection, a 4K action camera, and robust protection against environmental elements. Please read this manual thoroughly before operating your device.

Image: FOSSIBOT F116 Pro Rugged Smartphone highlighting its key features.
Setup
What's in the Box
- FOSSIBOT F116 Pro Smartphone
- 33W Fast Charger
- USB Cable
- Multi-language Manual
- Battery Warning Card
- Warranty Card
- SIM Card Pin

Image: The FOSSIBOT F116 Pro smartphone and its included accessories.
Inserting SIM Cards
The F116 Pro supports Dual 5G SIM standby. Use the provided SIM card pin to open the SIM tray. Insert your Nano-SIM cards and/or a microSD card (up to 1TB) into the designated slots. Ensure the tray is securely closed to maintain water and dust resistance.
Initial Charging and Power On
Before first use, fully charge the device using the included 33W fast charger and USB Type-C cable. Connect the charger to a power outlet and the USB cable to the phone's charging port. The device will indicate charging status. Once charged, press and hold the power button to turn on the smartphone.

Image: Illustration of the FOSSIBOT F116 Pro's 33W fast charging capability and battery life for video recording.
Network Compatibility
IMPORTANT: This 5G unlocked smartphone ONLY supports the T-Mobile network (including T-Mobile MVNOs using the same bands). It is NOT compatible with other major US networks such as AT&T, Cricket Wireless, Verizon, or Xfinity Mobile. Please verify your carrier compatibility before use.
Operating Instructions
Basic Navigation (Android 16)
The F116 Pro runs on Android 16. Navigate the interface using touch gestures: swipe to unlock, tap to open apps, pinch to zoom, and use the navigation bar or gestures for home, back, and recent apps. Customize your home screen with widgets and app shortcuts.

Image: Various screens of the Android 16 operating system on the FOSSIBOT F116 Pro.
Camera Functions
The F116 Pro features a versatile camera system:
- 48MP Action Lens: Dedicated action camera with a 152.6° ultra-wide Field of View (FOV) and built-in stabilization. Use the physical side camera button for instant one-press recording.
- 50MP Rear Main Camera: For high-resolution photos and videos.
- 32MP Front Camera: For selfies and video calls.
- Underwater Mode: Activate this mode to capture photos and videos up to 1.5 meters deep.

Image: Diagram illustrating the 48MP 152.6° wide-angle camera on the FOSSIBOT F116 Pro.

Image: Example photo taken with the 50MP Rear Main Camera of the FOSSIBOT F116 Pro.

Image: Example photo taken with the 32MP Front Camera of the FOSSIBOT F116 Pro.
5G Connectivity and Sharing
Utilize the device's 5G capabilities for fast internet access and instant sharing of photos and videos without Wi-Fi. The MediaTek Dimensity 7300 5G Octa-Core processor ensures smooth performance.

Image: Illustration of instant sharing capabilities using the FOSSIBOT F116 Pro's built-in 5G.
Security Features
Unlock your device securely using Face Unlock or the integrated Fingerprint sensor.
NFC Functionality
The F116 Pro supports NFC for contactless payments and quick pairing with compatible devices. Ensure NFC is enabled in your phone's settings to use this feature.
Integrated 1/4" Mounting Thread
The standard 1/4" mounting thread at the bottom allows compatibility with various action camera accessories like head mounts, backpack clips, and tripods. This enables hands-free recording and diverse usage scenarios.

Image: Various accessories and mounting options for the FOSSIBOT F116 Pro, demonstrating its versatility.
Changeable Rear Ambient Light
The device features customizable RGB notification lights on the rear, providing visual alerts for calls, messages, and other notifications.

Image: The FOSSIBOT F116 Pro displaying its changeable rear ambient light feature.
Official Product Video
Video: An official product video showcasing the FOSSIBOT F116 Pro Rugged mini Smartphone's features and capabilities.
Maintenance
Ruggedness and Protection
The FOSSIBOT F116 Pro is engineered to IP68, IP69K, and MIL-STD-810H standards, making it waterproof, dustproof, and drop-resistant. This robust design minimizes the need for extensive maintenance under normal rugged use.

Image: The FOSSIBOT F116 Pro demonstrating its drop protection and highlighting its IP68, IP69K, and MIL-STD-810H certifications.
Cleaning Instructions
- General Cleaning: Use a soft, lint-free cloth to wipe the screen and body. For stubborn dirt, slightly dampen the cloth with water.
- After Water Exposure: If the device has been submerged or exposed to water, ensure all ports (USB-C, SIM tray) are dry before charging or opening. Shake gently to remove excess water and allow to air dry completely.
- Lens Care: The camera lens has a protective cover. Keep it clean and free from scratches to ensure optimal photo quality. Use a microfiber cloth specifically designed for lenses.
Accessory Use
Utilize the anti-drop phone lanyard for added security during outdoor activities to prevent accidental drops.
Troubleshooting
Device Not Powering On
- Ensure the battery is sufficiently charged. Connect the charger and wait a few minutes before attempting to power on.
- Press and hold the power button for at least 10-15 seconds to perform a forced restart.
No Network Connection
- Verify that your SIM card is correctly inserted and activated.
- Check if you are within T-Mobile network coverage. Remember, this device is only compatible with T-Mobile and its MVNOs.
- Restart the device.
- Go to Settings > Network & internet > Mobile network and ensure your SIM is enabled and preferred network type is set correctly.
Charging Issues
- Ensure the charger and USB cable are securely connected to both the phone and the power outlet.
- Use only the original FOSSIBOT 33W charger and cable for optimal charging performance.
- Check the charging port for any debris or damage.
Camera Malfunction
- Ensure the camera lens is clean and free from obstructions.
- Restart the camera application or the device.
- If using Underwater Mode, ensure all seals are intact and the device is not damaged.
Specifications
| Feature | Detail |
|---|---|
| Brand | FOSSIBOT |
| Model Name | FOSSIBOT F116 Pro |
| Operating System | Android 16 |
| CPU Model | Mediatek Dimensity 7300 Octa-Core |
| RAM Memory Installed Size | 36 GB (12GB Hardware + 24GB Virtual) |
| Memory Storage Capacity | 256 GB (Expandable up to 1TB) |
| Screen Size | 4 inches |
| Resolution | 3840 x 2160 (4K) |
| Refresh Rate | 120 Hz |
| Wireless Carrier | T-Mobile (Compatibility Only) |
| Cellular Technology | 5G |
| Connectivity Technology | 5G, NFC |
| Rear Facing Camera Photo Sensor Resolution | 50 MP (Main), 48 MP (Action Lens) |
| Number of Front Cameras | 1 (32 MP) |
| Battery Capacity | 3700 mAh |
| Charging | 33W Fast Charging |
| Water Resistance Level | IP68, IP69K, MIL-STD-810H (Waterproof, Dustproof, Shockproof) |
| Connector Type | USB Type C |
| Special Features | 1/4" Mounting Thread, RGB Notification Lights, Underwater Mode |
Warranty Information
The FOSSIBOT F116 Pro comes with a 1-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
Customer Support
For further assistance, technical support, or warranty inquiries, please contact the FOSSIBOT customer service team. Refer to the contact information provided in your warranty card or visit the official FOSSIBOT website for support resources.



