UNIWA P4 Smartphone 4W DMR Analog Walkie Talkie User Manual

1. Introduction

The UNIWA P4 is a rugged smartphone designed for demanding environments, combining the functionality of an Android 9 smartphone with a powerful 4W DMR analog walkie-talkie. It features IP68 waterproofing, a durable design, and essential communication tools for professionals and outdoor enthusiasts.

2. Package Contents

Please check the box for the following items:

• UNIWA P4 Smartphone (x1)
• USB Charger (5V/2A) (x1)
• USB Cable (x1)
• Battery (x1)
• Belt Clip (x1)
• User Manual (x1)
• Charging Dock (Optional)

3. Device Overview

The UNIWA P4 integrates a smartphone and a walkie-talkie into a single robust unit. Key features include a 4.0-inch IPS capacitive touch screen, physical buttons for Push-to-Talk (PTT) and SOS, and a removable antenna for walkie-talkie functionality.

Figure 1: UNIWA P4 Smartphone (Orange Version)

Figure 2: UNIWA P4 Smartphone (Blue Version)

Figure 3: Side Profile with Ports and Buttons

4. Setup Guide

4.1. SIM Card, TF Card, and Battery Installation

1. Carefully remove the back cover of the device.
2. Insert up to two Micro SIM cards into the designated SIM slots (SIM1, SIM2).
3. Insert a TF (microSD) card into the TF card slot if additional storage is desired (supports up to 256 GB).
4. Insert the removable 7.6V/3000mAh lithium cobalt oxide battery into its compartment.
5. Replace the back cover, ensuring it is securely fastened to maintain IP68 rating.

Figure 4: SIM, TF Card, and Battery Compartment

4.2. Charging the Device

Connect the provided USB Type-C cable to the device's charging port and the other end to the USB charger. Plug the charger into a power outlet. The device will indicate charging status on the screen. Ensure the charging port cover is sealed after charging to maintain water resistance.

4.3. Power On/Off

• Power On: Press and hold the Power button until the UNIWA logo appears.
• Power Off: Press and hold the Power button, then select 'Power off' from the options on the screen.

5. Operating Instructions

5.1. Basic Smartphone Functions

The UNIWA P4 runs on Android 9.0, providing access to standard smartphone features. Navigate using the 4.0-inch IPS capacitive touch screen. You can make calls, send messages, browse the internet via 2G/3G/4G networks, and connect to Wi-Fi (IEEE 802.11 a/b/g/n/ac, 2.4/5GHz dual-band).

5.2. DMR/Analog Walkie Talkie Function

The device supports both Digital Mobile Radio (DMR) and analog walkie-talkie modes. It operates on UHF (400-470MHz) or VHF (136-174MHz) bands with intercom power settings of high (4W) and low (2W).

• Push-to-Talk (PTT): Use the dedicated PTT button on the side of the device for instant communication.
• Digital Intercom App: Utilize the pre-installed digital intercom application for managing channels and communication settings.

Figure 5: Digital Intercom App Interface

5.3. PoC (Push-to-Talk over Cellular) Apps

The UNIWA P4 supports popular PoC applications like Real PTT and Zello, allowing for group communication over cellular networks or Wi-Fi.

5.4. NFC Functionality

The device includes a built-in NFC reader for short-range wireless communication, enabling features like contactless payments, data exchange, and tag reading.

5.5. GNSS (GPS/A-GPS/BEIDOU/GLONASS)

The UNIWA P4 supports multiple global navigation satellite systems for accurate positioning and navigation.

5.6. SOS Button

In case of emergency, the dedicated SOS button can be configured to send alerts or call pre-set emergency contacts.

5.7. OTG Function

The device supports USB On-The-Go (OTG), allowing it to act as a host for USB devices such as flash drives, keyboards, or mice.

6. Maintenance

6.1. Waterproof and Dustproof (IP68)

The UNIWA P4 is IP68 rated, meaning it is dust tight and can withstand immersion in water up to 1.5 meters for 30 minutes. While durable, it is recommended to:

• Ensure all port covers (USB Type-C, M6 Port) are securely closed before exposure to water or dust.
• Rinse the device with fresh water after exposure to saltwater or other liquids and dry thoroughly.
• Avoid intentional submersion or exposure to high-pressure water jets.

6.2. Drop-proof Design

The device is designed to withstand drops from 1.2 meters on 6 sides and 4 corners. However, extreme impacts should still be avoided to prevent damage.

6.3. Battery Care

• Avoid exposing the battery to extreme temperatures (outside -35℃ to +70℃ operating range).
• Do not puncture or damage the battery.
• For optimal battery life, avoid fully discharging the battery frequently.

6.4. Cleaning

Use a soft, damp cloth to clean the device. Avoid harsh chemicals or abrasive materials.

7. Troubleshooting

• Device not powering on: Ensure the battery is correctly installed and charged. Try connecting to the charger.
• No network signal: Check SIM card installation. Verify network settings and ensure you are within network coverage.
• Walkie-talkie not transmitting/receiving: Check antenna connection. Ensure you are on the correct channel and frequency. Verify power settings (high/low).
• Touch screen unresponsive: Restart the device. If the issue persists, contact support.
• Firmware Version: To check the firmware version, navigate to Settings > About Phone > Build number or Software information. Regularly check for and install available firmware updates to ensure optimal performance and access to the latest features.

8. Specifications

9. User Tips

• Firmware Updates: Regularly check for and install available firmware updates to ensure optimal performance, security, and access to the latest features.
• Battery Optimization: To maximize battery life, adjust screen brightness, disable unnecessary background apps, and turn off Wi-Fi/Bluetooth when not in use.
• Screen Protection: Consider using a screen protector to prevent scratches on the display, even with the device's rugged design.
• Walkie-Talkie Range: For best walkie-talkie performance, ensure the antenna is securely attached and there are no major obstructions between devices.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the UNIWA customer service directly. Keep your proof of purchase for warranty claims.