1. Introduction
Welcome to the FOSSiBOT F105 Rugged Smartphone. This manual provides essential information for setting up, operating, and maintaining your device. Designed for durability and performance, the F105 is built to withstand challenging environments while offering a rich smartphone experience with Android 14 OS, a massive 10300mAh battery, and a 20MP AI main camera.
2. What's in the Box
Upon opening your FOSSiBOT F105 package, you should find the following items:
- FOSSiBOT F105 Smartphone
- Type-C USB Cable
- 10W Charger
- User Manual / Warranty Card
- Package Box

3. Product Overview
The FOSSiBOT F105 is engineered for ruggedness and style. It features a Kevlar texture for enhanced grip and durability, reinforced rubber corners for impact protection, and optimized camera protection. The device is available in three distinct colors: Azure Blue, Olive Green, and Carbon Black.


4. Setup Instructions
4.1 SIM/TF Card Installation
The FOSSiBOT F105 supports either two Nano SIM cards or one Nano SIM card and one TF (microSD) card for expandable storage. To install:
- Locate the SIM card tray on the side of the device.
- Use the provided SIM ejector tool to open the tray.
- Carefully place your Nano SIM card(s) and/or TF card into the designated slots on the tray. Ensure they are correctly oriented.
- Gently push the tray back into the device until it is flush with the body.

4.2 Initial Power On and Charging
Before first use, it is recommended to fully charge your FOSSiBOT F105. Use the provided 10W charger and Type-C USB cable.
- Connect the Type-C cable to the charging port at the bottom of the phone.
- Connect the other end of the cable to the 10W charger, and plug the charger into a power outlet.
- The phone will indicate charging status on the screen.
- To power on, press and hold the power button (usually on the right side) until the FOSSiBOT logo appears.
4.3 Basic Setup
Follow the on-screen prompts to complete the initial setup of your Android 14 smartphone. This typically includes selecting your language, connecting to Wi-Fi, and setting up your Google account.
5. Operating Instructions
5.1 Basic Navigation
The FOSSiBOT F105 features a 6.745-inch HD+ IPS touch screen. Navigate the device using standard Android gestures: tap to select, swipe to scroll, pinch to zoom, and long-press for additional options.

5.2 Biometric Unlocking
The F105 supports both Fingerprint ID and Face Recognition for secure and convenient unlocking.
- Fingerprint ID: Register your fingerprint(s) in the device settings. The fingerprint sensor is typically integrated into the power button.
- Face Recognition: Set up face unlock in the security settings. The front camera will be used to recognize your face.

5.3 Camera Usage
The F105 is equipped with a 20MP AI main camera and an 8MP front camera, along with an LED flashlight.
- Main Camera: Capture high-resolution photos and videos with the 20MP AI main camera.
- Front Camera: Take clear 8MP selfies and use for video calls.
- Underwater Camera: Thanks to its IP68 waterproof rating, you can capture stunning photos underwater by pressing any of the volume keys.


5.4 Reverse Charging
The FOSSiBOT F105 can act as a power bank to charge other devices. Simply connect your other device (e.g., wireless earphones, another mobile phone, smartwatch) to the F105 using a compatible cable.

5.5 Digital Tools
The F105 includes a built-in toolbag with practical tools for various situations:
- Compass
- Magnifier
- Gradienter
- Flashlight
- Pic Hanging
- Height Measure
- Wamin
- Protractor
- Plumb bob

5.6 Connectivity
The device supports Bluetooth 5.0, Wi-Fi, and advanced navigation systems including GPS, Glonass, Galileo, and Beidou for accurate positioning.
5.7 Android 14 OS Features
Experience the latest Android 14 OS with features designed for improved user experience:
- More flexible persistent notifications
- Smarter sharing menus
- A friendlier scaling experience
- More transparent permission invocation
6. Maintenance
6.1 Ruggedness Features
The FOSSiBOT F105 is built to be highly durable and is certified with IP68/IP69K and MIL-STD-810H standards. This means it is:
- Waterproof: Can withstand immersion in water up to 1.5 meters for 30 minutes.
- Dustproof: Fully protected against dust ingress.
- Drop-proof: Designed to resist drops from up to 1.5 meters.
While the phone is rugged, avoid intentionally exposing it to extreme conditions beyond its rated capabilities to ensure longevity.

6.2 Cleaning
To clean your device, wipe it with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials that could damage the screen or casing.
6.3 Battery Care
The F105 features a massive 10300mAh battery, offering up to 19 days of standby time (with no SIM). To maximize battery life:
- Avoid extreme temperatures.
- Use the original charger and cable.
- Do not let the battery completely drain frequently.

7. Troubleshooting
This section addresses common issues you might encounter with your FOSSiBOT F105.
7.1 Common Questions & Answers
- Does this phone have fingerprint unlock?
Yes, the FOSSiBOT F105 supports fingerprint unlock, typically integrated into the power button. - Does it have NFC?
No, the FOSSiBOT F105 does not feature NFC functionality. - Does it support dual SIM cards?
Yes, the FOSSiBOT F105 supports dual Nano SIM cards or one Nano SIM and one TF (microSD) card.
7.2 General Troubleshooting Tips
- Device not turning on: Ensure the battery is charged. Connect the charger and wait a few minutes before attempting to power on again.
- Apps crashing or freezing: Try restarting the app. If the issue persists, clear the app's cache and data in settings, or reinstall the app.
- Poor network signal: Check your SIM card installation. Move to an area with better network coverage.
8. Specifications
| Feature | Specification |
|---|---|
| Model | F105 |
| CPU Model | MTK MT8768 (8*Cortex-A53 2.0GHz+1.5GHz) |
| RAM | 4GB (expandable to 12GB) |
| ROM | 64GB |
| Operating System | Android 14 |
| Battery Capacity | 10300mAh (Not Detachable) |
| Charging Power | 10W Fast Charging |
| Charging Interface Type | Type-C |
| Display Size | 6.745 inches |
| Display Resolution | 720x1600 HD+ |
| Screen Type | IPS Water Drop Screen with Dragontrail Glass |
| Rear Camera Pixel | 20 MP (AI Main Camera) |
| Rear Camera Quantity | 2 |
| Front Camera Pixel | 8 MP |
| Front Camera Quantity | 1 |
| SIM Card Quantity | 2 SIM Card (Nano SIM + Nano SIM or Nano SIM + TF) |
| Biometrics Technology | Fingerprint Recognition, Face Recognition |
| Built-in GPS | Yes (GPS, Glonass, Galileo, Beidou) |
| WIFI | Yes |
| Bluetooth Version | 5.0 |
| NFC | No |
| 3.5mm Headphone Port | No |
| FM Radio | Support (requires wired earphones) |
| Ruggedness | IP68/IP69K, MIL-STD-810H |
| Weight | 375g |
| Dimensions (Thinness) | 17.3mm |
| Languages | Arabic, Polish, German, Russian, French, Korean, Norwegian, Portuguese, Japanese, Turkish, Spanish, Italian, English |
| Certification | CE (IEC62133 / ROHS / SAR), UN38.3 / MSDS / Air Freight / Maritime Transport, GMS |
Note: Specifications are based on FOSSiBOT LABS testing. Actual usage may vary depending on environment and individual device differences.
9. User Tips
- Maximize Ruggedness: While the F105 is highly durable, always ensure all port covers are securely closed before exposing it to water or dust to maintain its IP68/IP69K rating.
- Battery Management: The large 10300mAh battery provides extended usage. For optimal performance, avoid frequently draining the battery completely.
- Explore Digital Tools: Utilize the built-in digital toolbag (Compass, Flashlight, etc.) for outdoor activities or practical tasks.
- Camera Features: Experiment with the underwater camera mode for unique photo opportunities in wet environments.
10. Warranty and Support
Your FOSSiBOT F105 smartphone comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions, including warranty period and coverage details. For technical support or service inquiries, please contact FOSSiBOT customer service through their official channels.




