1. Introdución
The UNIWA F400 is a robust and versatile device combining the functionalities of a 4G LTE smartphone with a professional Push-to-Talk (POC) walkie-talkie. Designed for demanding environments, it features an IP65 rating for dust and water resistance, ensuring reliable performance in various conditions. Running on Android 15, the F400 offers a seamless user experience with global connectivity, advanced navigation, and enhanced security features.
This manual provides essential information on setting up, operating, and maintaining your UNIWA F400 device.
2. Que hai na caixa
Please check the contents of your UNIWA F400 package. If any items are missing or damaged, contact your retailer.
- UNIWA F400 Device
- Adaptador de alimentación (9 V/2 A)
- Batería (4350 mAh)
- Cable USB
- Clip para cinto
- Manual de usuario (este documento)
3. Disposición do dispositivo
Familiarize yourself with the physical components and buttons of your UNIWA F400.

Imaxe: Acabadoview of UNIWA F400 features and layout.
- Botón PTT: Dedicated Push-to-Talk button for walkie-talkie functions.
- Botóns de volume: Axustar o volume do son.
- Botón SOS: Customizable emergency call button.
- Clave personalizable: Can be assigned to various functions via settings.
- Front Warning Lights: Red and blue flashing lights for alerts.
- Cámara frontal: 5.0 MP para videochamadas e selfies.
- Cámara traseira: 13MP AF with flashlight.
- IR Night Vision Camera: 13MP for clear images in low light.
- 2.5W Front-Facing Speaker: High-volume audio output.
- Porto USB-C: Para carga e transferencia de datos.
- SIM/Micro SD Card Slot: Supports dual SIM and up to 256GB Micro SD.
4. Configuración
4.1 Installing SIM Card and Micro SD Card
- Locate the SIM/Micro SD card slot on the side of the device.
- Abra con coidado a tapa protectora.
- Insert your Nano SIM cards and/or Micro SD card into the designated slots, ensuring correct orientation.
- Close the protective cover firmly to maintain the device's IP65 rating.
4.2 Instalación e carga da batería
- Retire a tapa traseira do dispositivo.
- Insert the 4350mAh battery into its compartment, aligning the contacts.
- Coloque a tapa posterior de forma segura.
- Connect the USB cable to the device's USB-C port and the power adapter.
- Conecta o adaptador de corrente a unha toma de corrente. O dispositivo admite unha carga rápida de 15 W.
- Permita que o dispositivo se cargue completamente antes do uso inicial.
4.3 Acendido/Apagado
- Para acender: Press and hold the Power button until the UNIWA logo appears.
- Para apagar: Manteña premido o botón de acendido e, a seguir, seleccione "Apagar" entre as opcións.
5. Instrucións de funcionamento
5.1 Basic Smartphone Functions
The UNIWA F400 operates on Android 15, providing access to standard smartphone features:

Imaxe: Android 15 OS interface on UNIWA F400.
- Navegación: Use the 3.9-inch IPS touchscreen for navigation.
- Chamadas e mensaxes: Make and receive calls, send text messages using your inserted SIM cards.
- Conectividade a Internet: Connect to Wi-Fi (2.4GHz/5GHz) or use 4G LTE mobile data.
- Instalación da aplicación: Descarga e instala aplicacións desde Google Play Store.
5.2 POC Walkie-Talkie Function
The F400 supports various Push-to-Talk over Cellular (POC) applications for real-time global communication.

Imaxe: Using the PTT button with a POC application like Zello.
- Install a compatible POC application (e.g., Zello, Real PTT, WalkieFleet, Instant Talk) from the app store.
- Set up your account and channels within the application.
- To transmit, press and hold the dedicated Botón PTT on the side of the device. Release to listen.
- Ensure you have an active internet connection (Wi-Fi or mobile data) for POC functionality.
5.3 Funcionamento da cámara
The F400 features a triple camera system for various photographic needs.

Imaxe: 13MP IR Night Vision Camera in action.
- Abre a aplicación Cámara.
- Select between the front (5.0MP), rear (13MP AF with flashlight), or 13MP IR Night Vision camera modes.
- Tap the screen to focus and press the shutter button to capture photos or record videos.
- The IR Night Vision camera is specifically designed for clear imaging in low-light conditions.
5.4 GPS e navegación
The device supports multiple global navigation satellite systems for accurate positioning.

Imaxe: Multi-GNSS navigation display on the UNIWA F400.
- Utilize pre-installed or downloaded navigation applications.
- The F400 supports GPS, A-GPS, GLONASS, and Galileo for precise location tracking.
5.5 SOS Emergency Call
The dedicated SOS button provides a quick way to initiate emergency alerts.

Imaxe: SOS button and emergency call function.
- Configure emergency contacts and settings in the device's security or SOS settings menu.
- En caso de emerxencia, prema o botón Botón SOS to trigger a pre-set action, such as calling an emergency contact or sending a location alert.
6. Mantemento
The UNIWA F400 is built to be rugged, but proper maintenance ensures its longevity and performance.

Imaxe: UNIWA F400's IP65 dust and water resistance.
- Resistencia á auga e ao po (IP65): While the device is IP65 rated, avoid intentional submersion in water or exposure to high-pressure water jets. Ensure all port covers and the back cover are securely closed to maintain water and dust resistance.
- Limpeza: Use un suave, damp pano para limpar o dispositivo. Evite produtos químicos agresivos ou materiais abrasivos.
- Temperatura: Operate the device within the specified temperature range of -20℃ to +60℃. Extreme temperatures can affect battery life and device performance.
- Protección contra impactos: The device is drop-resistant, but severe impacts can still cause damage. Handle with care.
7 Solución de problemas
This section addresses common issues you might encounter with your UNIWA F400.
| Problema | Posible causa/solución |
|---|---|
| O dispositivo non se acende. |
|
| Mala sinal de rede ou sen servizo. |
|
| POC function not working. |
|
| A batería esgotarase rapidamente. |
|
| O dispositivo non responde. |
|
8. Especificacións
Detailed technical specifications for the UNIWA F400.
| Característica | Detalle |
|---|---|
| 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, 272 PPI |
| Cámara traseira | 13 MP AF with Flashlight |
| Cámara frontal | 5.0 MP |
| Cámara de visión nocturna IR | 13 MP |
| Batería | 4350 mAh Removable Li-Polymer, 15W Fast Charging |
| Bandas de rede |
|
| Ranura para tarxeta SIM | Nano SIM dual |
| Conectividade | Wi-Fi 2.4GHz/5GHz, Bluetooth 5.0, USB-C |
| Navegación | GPS, A-GPS, GLONASS, Galileo, BDS |
| Sensores | G-sensor, Proximity, Light, Magnetic Field, Gyroscope |
| Durabilidade | IP65 Water & Dust Resistant, Drop Resistant |
| Dimensións | 144.5 x 69.9 x 21.2 mm |
| Peso | 258 g (batería incluída) |
| Temperatura de traballo | -20℃ a +60℃ |
| Características especiais | POC Walkie Talkie (Zello, Real PTT, etc.), SOS Button, Customizable Key, Front Warning Lights, Facial Recognition |

Imaxe: High-Performance Octa-Core Processor.
9. Garantía e soporte
9.1 Garantía do produto
The UNIWA F400 comes with a 2 anos de garantía do produto 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 modifications.
Conserve o comprobante de compra para reclamacións de garantía.
9.2 Atención ao cliente
For technical assistance, troubleshooting, or warranty inquiries, please contact your retailer or UNIWA customer support. Refer to the contact information provided with your purchase documentation.
Before contacting support, please review the troubleshooting section of this manual and ensure your device is fully charged and updated.