1. Introdución
This manual provides essential instructions for the safe and efficient operation of your UNIWA F400 device. Please read this document thoroughly before using the device to ensure proper functionality and to prevent damage. Keep this manual for future reference.
2. Que hai na caixa
Verifica que todos os elementos estean presentes no paquete:
- UNIWA F400 Device
- Adaptador de alimentación (9 V/2 A)
- Batería
- Cable USB
- Clip para cinto
- Manual de usuario (este documento)
3. Produto rematadoview
The UNIWA F400 is a rugged 4G LTE smartphone with integrated Push-to-Talk (PoC) walkie-talkie capabilities, designed for demanding environments. It features a 3.9-inch touch screen, Android 15 OS, and a durable IP65-rated construction.

Imaxe: Máis deview of the UNIWA F400, highlighting its key components and features such as the high-performance processor, global PoC walkie-talkie, multi-GNSS navigation, IP65 resistance, 2.5W speaker, Android 15 OS, 4350mAh battery, and HD IR night vision camera.
3.1. Compoñentes do dispositivo
- Botón PTT: Dedicated Push-to-Talk button for PoC communication.
- Botóns de volume: Axustar o nivel de saída de son.
- Botón SOS: For emergency calls and alerts.
- Botón personalizable: Can be configured for various functions via settings.
- Botóns de navegación: Back, Menu, and Home buttons for Android interface control.
- Porto USB-C: Para carga e transferencia de datos.
- Front-Facing Speaker: 2.5W high-volume speaker.
- Cámaras: Front (5MP), Rear (13MP AF with flash), and IR Night Vision (13MP).
- Ranura para tarxetas SIM/SD: Supports dual SIM cards and Micro SD card up to 256GB.
4. Configuración
4.1. Instalación da batería
- Retire a tapa traseira do dispositivo.
- Align the 4350mAh removable battery with the battery compartment contacts.
- Prema suavemente a batería no seu lugar ata que estea ben asentada.
- Replace the back cover, ensuring it is properly sealed to maintain IP65 rating.
4.2. SIM and Micro SD Card Installation
- Locate the SIM/SD card slot, typically under the battery or on the side with a protective cover.
- Open the protective cover or remove the battery if necessary.
- Insert your Nano SIM card(s) into the designated slots with the gold contacts facing down. The device supports dual SIM.
- If using a Micro SD card for expanded storage (up to 256GB), insert it into the Micro SD card slot.
- Close the protective cover or reinsert the battery and back cover securely.
4.3. Carga inicial
Antes do primeiro uso, cargue completamente a batería do dispositivo.
- Connect the USB cable to the UNIWA F400's USB-C port.
- Connect the other end of the USB cable to the provided 9V/2A power adapter.
- Enchufe o adaptador de alimentación a unha toma de corrente.
- The device supports 15W fast charging. The charging indicator will show the charging status.
- Unha vez cargado completamente, desconecte o cargador.
5. Instrucións de funcionamento
5.1. Acendido/apagado
- Para acender: Press and hold the Power button until the UNIWA logo appears.
- Para apagar: Mantén premido o botón de acendido e, a seguir, selecciona "Apagar" entre as opcións que aparecen na pantalla.
5.2. Navegación básica (Android 15)
The UNIWA F400 runs on Android 15, offering an intuitive touch-screen interface. Use gestures like tap, swipe, pinch, and spread to navigate applications, menus, and content.

Image: The UNIWA F400 showcasing the Android 15 operating system, emphasizing improved compatibility, enhanced security, battery optimization, and privacy features.
5.3. PoC Walkie Talkie Function
The UNIWA F400 supports global Push-to-Talk over Cellular (PoC) applications such as Zello, Real PTT, WalkieFleet, and Instant Talk for real-time communication.
- Ensure you have a stable internet connection (4G LTE or Wi-Fi).
- Install and configure your preferred PoC application (e.g., Zello).
- To transmit, press and hold the dedicated Botón PTT no lateral do dispositivo.
- Fala claramente no micrófono.
- Release the PTT button to finish transmitting and listen for a response.

Image: The UNIWA F400 demonstrating its global PoC walkie-talkie functionality, compatible with applications like Zello, Real PTT, WalkieFleet, and Instant Talk, with the PTT button clearly visible.
5.4. Uso da cámara
The device features a triple camera system: a 5MP front camera, a 13MP AF rear camera with flash, and a 13MP IR night vision camera.
- Abre a aplicación Cámara desde a pantalla de inicio ou o caixón de aplicacións.
- Select your desired camera mode (Photo, Video, Night Vision).
- For night vision, switch to the IR Night Vision camera mode. This camera captures clear images in low-light conditions.
- Toca o botón do obturador para capturar fotos ou iniciar/deter a gravación de vídeo.

Image: The UNIWA F400's 13MP IR Night Vision Camera, capable of capturing clear images even in low-light conditions, as demonstrated by an example photo of animals at night.
5.5. Función de emerxencia SOS
The dedicated SOS button allows for quick emergency alerts and precise position tracking.
- Configure emergency contacts and messages in the device settings under 'SOS' or 'Emergency'.
- En caso de emerxencia, prema o botón Botón SOS.
- The device will automatically send pre-configured emergency messages and/or dial emergency contacts.

Image: The UNIWA F400 featuring a customizable SOS emergency button, designed for one-touch emergency alerts and precise position tracking, shown in a scenario where assistance is being called.
5.6. Navegación GPS
The UNIWA F400 supports multiple global navigation satellite systems (GPS, A-GPS, GLONASS, Galileo) for accurate positioning.
- Ensure location services are enabled in the device settings.
- Open a navigation application (e.g., Google Maps).
- The device will use its integrated GNSS capabilities to provide real-time location and navigation.

Image: The UNIWA F400 demonstrating its multi-GNSS navigation capabilities, supporting GPS, BDS, GLONASS, and Galileo for accurate positioning and tracking.
5.7. Conectividade de rede
- 4G LTE: The device supports global multi-band 2G/3G/4G networks for mobile data and calls.
- Wi-Fi: Connect to 2.4GHz/5GHz Wi-Fi networks for internet access.
- Bluetooth 5.0: For connecting wireless accessories like headsets or other devices.
6. Mantemento
6.1. Limpeza do dispositivo
To clean the UNIWA F400, use a soft, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the device's surface or seals.
6.2. Resistencia á auga e ao po (IP65)
The UNIWA F400 is rated IP65 for water and dust resistance. This means it is protected against dust ingress and low-pressure water jets from any direction. While rugged, it is not designed for submersion in water. Ensure all port covers and the back cover are securely closed to maintain its IP65 rating.

Image: The UNIWA F400 highlighting its IP65 dust and water resistance, showcasing its robust design suitable for challenging environments and demanding applications.
6.3. Coidado da batería
- Use only the original or approved charger and cable.
- Evite expor a batería a temperaturas extremas.
- If the device will not be used for an extended period, store it with a partial charge (around 50%) and recharge it periodically.
- The battery is removable, allowing for replacement if its performance degrades over time.
7 Solución de problemas
If you encounter issues with your UNIWA F400, try the following basic troubleshooting steps:
- O dispositivo non se acende: Ensure the battery is correctly installed and charged. Try connecting the charger.
- Sinal de rede deficiente: Comproba a instalación da túa tarxeta SIM. Móvete a unha zona con mellor cobertura de rede.
- Fallos das aplicacións: Close background applications. Restart the device. Clear app cache/data in settings.
- A pantalla táctil non responde: Reinicia o dispositivo. Se o problema persiste, ponte en contacto co servizo de asistencia.
- A batería esgotando rapidamente: Reduce screen brightness, disable unnecessary features (GPS, Bluetooth, Wi-Fi) when not in use, close background apps.
- PoC communication issues: Verify internet connectivity. Check your PoC application settings and login status.
For more complex issues, refer to the UNIWA support websitio ou póñase en contacto co servizo de atención ao cliente.
8. Especificacións
| Característica | Especificación |
|---|---|
| Nome do modelo | F400 |
| Sistema Operativo | Android 15 |
| Procesador | MediaTek Helio G81 de oito núcleos |
| RAM | 4 GB |
| Almacenamento interno | 64 GB |
| Almacenamento ampliable | Micro SD ata 256 GB |
| Mostrar | 3.9-inch IPS Capacitive Touch Screen, 800x480 Resolution |
| Cámara traseira | 13MP AF with Flash |
| Cámara frontal | 5 MP |
| Cámara de visión nocturna IR | 13 MP |
| Batería | 4350mAh Removable Li-Polymer, 15W Fast Charging |
| Bandas de rede | 2G GSM (850/900/1800/1900MHz), 3G WCDMA (850/900/1700/1900/2100MHz), CDMA (BC0/BC1), 4G FDD-LTE (B1/2/3/4/5/7/8/12/13/17/19/20/25/26/28A/28B/66), TDD-LTE (B34/B38/39/40/41) |
| Wi-Fi | 2.4 GHz/5 GHz |
| Bluetooth | BT5.0 |
| Navegación | GPS/A-GPS/GLONASS/Galileo |
| Sensores | G-sensor, Proximity, Light, Magnetic Field, Gyroscope |
| Durabilidade | IP65 Waterproof, Drop-resistant, Shock-resistant |
| Dimensións | 144.5 x 69.9 x 21.2 mm |
| Peso | 258 g (batería incluída) |
| Temperatura de traballo | -20℃ a +60℃ |

Image: The UNIWA F400 powered by a high-performance MediaTek Helio G81 octa-core processor, ensuring smooth multitasking and responsive performance.
9. Garantía e soporte
9.1. Garantía do produto
The UNIWA F400 comes with a 2 ano de garantía from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized repairs, or normal wear and tear. Please retain your proof of purchase for warranty claims.
9.2. Atención ao cliente
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact UNIWA customer support through their official website or the contact information provided with your purchase. Ensure you have your device model and serial number ready when contacting support.