1. Introdución
This manual provides essential information for the safe and efficient operation of your FOSSIBOT F109S Rugged Smartphone. Please read this manual thoroughly before using your device to ensure proper functionality and to understand its features and capabilities. The FOSSIBOT F109S is designed for durability and performance, featuring a robust build, a large battery, and advanced camera systems.
2. Que hai na caixa
Upon unpacking your FOSSIBOT F109S, please verify that all the following items are included:
- FOSSIBOT F109S Rugged Smartphone
- Cable USB
3. Produto rematadoview
The FOSSIBOT F109S is engineered for demanding environments, combining a rugged design with high-performance features. Key components include a 6.745-inch HD+ main display, a 1.32-inch circular rear display, a 50MP AI main camera, and a substantial 10600mAh battery.

Figura 3.1: Acabadoview of the FOSSIBOT F109S Rugged Smartphone, showcasing its innovative rear display, camera system, processor, memory, battery, operating system, and rugged certifications.
3.1. Innovative Rear Display
The F109S features a 1.32-inch circular rear display. This secondary screen provides quick access to essential information and functions without needing to activate the main screen. It can display time, notifications, battery status, and can be customized with various dial designs. It also allows for taking selfies using the high-resolution rear camera.

Figura 3.2: The 1.32-inch rear display showing notifications, battery status, and options for customized dial designs.
3.2. Sistema de cámaras
The device is equipped with a versatile camera setup:
- Cámara principal con IA de 50 MP: For high-resolution photography.
- Cámara frontal de 16 MP: Para selfies e videochamadas.
- Cámara macro de 5MP: Para tomas detalladas en primeiro plano.

Figura 3.3: Details of the 50MP AI Main Camera, 5MP Macro Camera, and 16MP Front Camera, along with sample images demonstrating their capabilities.
3.3. Deseño robusto
The F109S is built to withstand harsh conditions, adhering to IP68/IP69K and MIL-STD-810H standards. This ensures resistance against water, dust, and drops, making it suitable for outdoor and demanding professional use.

Figura 3.4: The FOSSIBOT F109S showcasing its military-grade design, including 1.5m drop resistance, 1.5m underwater submersion for 30 minutes, and 360° all-round dust protection.
4. Configuración
4.1. Instalación da tarxeta SIM e do almacenamento
The FOSSIBOT F109S supports dual SIM cards or one SIM card with expandable storage (up to 2TB via TF card). Locate the SIM card tray on the side of the device. Use the provided SIM ejector tool to open the tray. Insert your Nano-SIM card(s) and/or TF card into the designated slots, ensuring correct orientation. Close the tray securely.
4.2. Acendido inicial e configuración
- Manteña premido o botón de acendido/apagado ata que apareza o logotipo de FOSSIBOT.
- Segue as instrucións na pantalla para seleccionar o idioma, conectarte a unha rede wifi e configurar a túa conta de Google.
- Configure security features such as facial recognition and fingerprint unlock for enhanced device protection.
5. Instrucións de funcionamento
5.1. Main Screen Navigation
Navigate the Android 15 operating system using standard touch gestures. Swipe up from the bottom for the app drawer, swipe down from the top for notifications and quick settings, and use the navigation buttons or gestures as configured.
5.2. Rear Display Usage
The 1.32-inch rear display can be activated for quick glances at time, date, and notifications. It also serves as a viewfinder for taking selfies with the main camera. Access its settings through the main display to customize its appearance and displayed information.
5.3. Funcionamento da cámara
Open the Camera application from the home screen or app drawer. Select between the 50MP main camera, 16MP front camera, or 5MP macro camera modes. Tap to focus and press the shutter button to capture photos or start/stop video recording. Utilize the rear display for convenient selfie framing with the main camera.
5.4. Xestión da batería
The F109S is equipped with a 10600mAh battery. To charge, connect the provided USB cable to the device and a compatible 18W fast charger. For optimal battery life, avoid extreme temperatures and fully discharge the battery periodically before recharging.

Figura 5.1: The 10600mAh battery capacity and estimated usage durations for standby, calling, video playback, gaming, navigation, and music.
5.5. Características de conectividade
- NFC: For contactless payments via Google Pay and quick data transfer. Ensure NFC is enabled in settings.
- GPS: Admite GPS, GLONASS, Beidou e Galileo para unha navegación precisa.
- Bluetooth/Wi-Fi: Standard wireless connectivity for accessories and internet access.
5.6. Características de seguridade
- Recoñecemento de pegadas dixitais: Register your fingerprints in the Security settings for quick and secure unlocking.
- Recoñecemento facial: Set up facial unlock for convenient access to your device.
6. Mantemento
The FOSSIBOT F109S is designed for durability. To maintain its rugged performance:
- Resistencia á auga e ao po: Ensure all port covers are securely closed before exposing the device to water or dust. While resistant, avoid intentional submersion beyond specified limits (1.5m for 30 minutes).
- Limpeza: Use un suave, damp pano para limpar o dispositivo. Evite produtos químicos agresivos ou materiais abrasivos.
- Temperatura: Opere o dispositivo dentro dos rangos de temperatura recomendados para evitar danar a batería e os compoñentes internos.
7 Solución de problemas
If you encounter issues with your FOSSIBOT F109S, refer to the following common solutions:
- O dispositivo non se acende: Asegúrate de que a batería estea cargada. Conecta o dispositivo ao cargador e agarda uns minutos antes de tentar acendelo de novo.
- Screen Flashing or Unresponsive: Perform a forced restart by holding the Power button for approximately 10-15 seconds. If the issue persists, consider a factory reset (note: this will erase all data) or contact customer support.
- Poca duración da batería: Check for background applications consuming power. Adjust screen brightness, disable unnecessary connectivity features (Wi-Fi, Bluetooth, GPS) when not in use, and ensure the device is running the latest software updates.
- Connectivity Issues (Wi-Fi/Bluetooth/NFC): Toggle the respective feature off and on. Restart the device. Ensure you are within range of the network or accessory.
- A cámara non funciona: Restart the device. Clear the cache and data of the Camera app in Settings > Apps.
8. Especificacións
| Característica | Detalle |
|---|---|
| Nome do modelo | F109S |
| Sistema Operativo | Android 15 |
| Tamaño da pantalla principal | 6.74 polgadas |
| Main Screen Resolution | 720 x 1600 |
| Tamaño da pantalla traseira | 1.32 Inches (circular) |
| Tamaño da memoria RAM instalada | 16 GB (ampliable a 24 GB con RAM virtual) |
| Capacidade de almacenamento da memoria | 256 GB (ampliable ata 2 TB mediante tarxeta TF) |
| Capacidade da batería | 10600 mAh |
| Carga rápida | 18 W |
| Cámara principal | Cámara AI de 50 MP |
| Cámara frontal | 16 MP |
| Cámara macro | 5 MP |
| Tecnoloxías de Conectividade | NFC, GPS (GPS+GLONASS+Beidou+Galileo) |
| Certificacións robustas | IP68/IP69K Impermeable, a proba de po, MIL-STD-810H a proba de caídas |
| Peso do elemento | 1.54 libras |
| Dimensións | 8.11 x 7.05 x 1.95 polgadas (dimensións do paquete) |
9. Vídeo oficial do produto
Vídeo 9.1: An official product video demonstrating the FOSSIBOT F109S rugged smartphone's features, including its durability, camera capabilities, and overall design.
10. Garantía e soporte
For warranty information, please refer to the warranty card included with your product or visit the official FOSSIBOT website. For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact FOSSIBOT customer support through their official channels.





