DOOGEE Fire 3 Ultra Rugged Phone User Manual

1. Introduction

The DOOGEE Fire 3 Ultra is a robust and versatile rugged smartphone designed for demanding environments and everyday use. It combines advanced features with exceptional durability, ensuring reliable performance wherever you go. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your device.

2. Getting Started

2.1 Package Contents

Please check the box for the following items:

• 1 x Fire 3 Ultra Rugged Phone
• 1 x Type-C USB Cable
• 1 x Charger
• 1 x Protective Film (Pre-applied)
• 1 x Card Slot Opener
• 1 x Packing Box
• 1 x Manual
• 1 x Warranty Card

Figure 1: Packaging Contents

2.2 SIM Card and Storage Installation

The DOOGEE Fire 3 Ultra supports dual Nano SIM cards or one Nano SIM card and one TF (microSD) card for expandable storage up to 2TB. Use the provided card slot opener to access the SIM tray.

1. Locate the SIM tray on the side of the phone.
2. Insert the card slot opener into the small hole next to the tray and push gently until the tray ejects.
3. Place your Nano SIM card(s) and/or TF card into the designated slots on the tray. Ensure the cards are correctly oriented.
4. Carefully reinsert the tray into the phone until it clicks into place.

Figure 2: SIM Card Tray Location

2.3 Initial Setup and Charging

Before first use, it is recommended to fully charge your device. Use the provided 18W fast charger and Type-C USB cable.

1. Connect the Type-C USB cable to the phone's charging port.
2. Connect the other end of the cable to the charger, and plug the charger into a power outlet.
3. Once charged, press and hold the power button (usually on the side) to turn on the phone.
4. Follow the on-screen instructions to complete the initial setup, including language selection, Wi-Fi connection, and Google account setup.

3. Operating Your Phone

3.1 Basic Navigation

The DOOGEE Fire 3 Ultra runs on Android 15 and supports both gesture navigation and traditional 'three-button' navigation. You can switch between these options in the phone's settings under 'System' > 'Gestures' or 'Navigation bar'.

3.2 Display Features

The phone features a 5.5-inch HD+ IPS display, offering clear visuals and comfortable viewing. Key display characteristics include:

• Brightness: 400 nits (TYP)
• Screen Color: 16.7 Million
• Resolution: 720x1440
• Screen-to-body Ratio: 76.8%
• Refresh Rate: 60 Hz
• Modes: Dark Mode, Eye Care for reduced strain.

Figure 3: Display Specifications

Figure 4: Eye Care Feature

3.3 Camera Features

Capture every moment with the versatile camera system:

• Rear Camera: 16MP AI Main Camera, 20MP Night Vision Camera, and a 0.3MP auxiliary camera.
• Front Camera: 8MP for clear selfies.
• AI Scene Recognition: Smart dual-camera detects and optimizes for 12 distinct scenes.
• Photography Modes: Anti-Flicker, Portrait Mode, Pro Mode, Continuous Photography, Beauty Mode, Panoramic Mode.

Figure 5: 16MP AI Main Camera

Figure 6: 20MP Night Vision

Figure 7: AI Scene Recognition

Figure 8: 8MP Front Camera

Figure 9: Multiple Photography Features

3.4 Advanced Features

• Gemini AI: Built-in AI for content creation, code development, smart assistance, image analysis, and language learning. Gemini Live offers real-time, natural voice chat.

Figure 10: Built-in Gemini AI

Figure 11: Gemini Live

• Android 15 OS: Enjoy modern features like App Cloning, Smart Motion Sensing, and Screen Awareness for enhanced productivity and ease of use.

Figure 12: Android 15 OS Features

• Digital Toolkit: A suite of professional applications including Compass, Sound Meter, Pic Hanging, Magnifier, Protractor, Plumb Bob, Alarm bell, Gradienter, and HeightMeasure.

Figure 13: Digital Toolkit

• NFC Support: For quick payments and access.
• Biometrics: Side-mounted fingerprint sensor and Face Unlock for convenient and secure access.
• Widevine L1 Support: Unlocks cinema-grade streaming from platforms like Hulu, Amazon Prime Video, and Max.
• Accurate Navigation System: Supports GPS, Glonass, Galileo, and Beidou for precise positioning.
• 3.5mm Headphone Jack: For traditional audio connectivity.

Figure 14: All-in-One Partner Features

3.5 Storage and Performance

The Fire 3 Ultra is equipped with:

• RAM: 24GB (6GB Basic + 18GB Virtual RAM) LPDDR4X for smooth multitasking.
• ROM: 256GB UFS internal storage.
• Expandable Storage: Up to 2TB via TF card (sold separately).
• Processor: Unisoc T7200 Octa-Core Processor (1.6GHz, 12nm, Mali-G57 GPU) for fast and efficient performance.

Figure 15: Memory and Storage

Figure 16: Unisoc T7200 Processor

4. Durability and Battery

4.1 Rugged Features

The Fire 3 Ultra is engineered for extreme conditions, boasting:

• IP68 & IP69K Ratings: Water and dust resistance.
• MIL-STD-810H Certification: Military-grade durability against drops, shocks, and extreme temperatures.
• Drop Test: Passed 1.5m high-strength drop test.
• Water Immersion: Can be soaked in 1.5m deep water for 30 minutes.
• Construction: Features Double Shot Molding (PC+10% GF and TPU 85% blend), an Aluminum-titanium Frame, and a scratch-resistant Glass Screen.

Figure 17: Durability Features

Figure 18: Build for Maximum Durability

4.2 Battery Life and Charging

Equipped with a powerful 8350mAh battery, the Fire 3 Ultra offers extended usage:

• Capacity: 8350mAh
• Fast Charging: 18W
• Reverse Charging: Can charge other devices like earbuds or smartwatches.
• Estimated Usage: Up to 25.4 Days Standby, 108 Hrs Music Playing, 41 Hrs Video Watching, 48.7 Hrs Calling.

Figure 19: Battery and Charging

5. Specifications

5.1 Technical Specifications

6. Maintenance

6.1 General Care

• Despite its rugged design, avoid unnecessary drops or impacts to prolong the device's lifespan.
• Clean the screen and body with a soft, damp cloth. Avoid harsh chemicals.
• Ensure all port covers are securely closed to maintain water and dust resistance (IP68/IP69K).

6.2 Battery Care

• Use only the original charger and cable provided with the device.
• Avoid exposing the phone to extreme temperatures, which can degrade battery performance.
• Do not leave the phone charging for excessively long periods after it is fully charged.

7. Troubleshooting

7.1 Common Issues and Solutions

• Phone not turning on: Ensure the battery is charged. Press and hold the power button for at least 10-15 seconds.
• Apps crashing or freezing: Close the problematic app and reopen it. If the issue persists, restart the phone.
• Poor network signal: Check your SIM card installation. Move to an area with better network coverage.
• Touchscreen unresponsive: Restart the phone. If the issue continues, perform a factory reset (backup your data first).
• Battery draining quickly: Reduce screen brightness, close background apps, disable unnecessary features like Wi-Fi, Bluetooth, or GPS when not in use.

7.2 Factory Reset

If you encounter persistent software issues, a factory reset may resolve them. Warning: This will erase all data on your phone. Please back up important data before proceeding.

1. Go to 'Settings' > 'System' > 'Reset options'.
2. Select 'Erase all data (factory reset)'.
3. Confirm your choice and enter your PIN/password if prompted.

8. Warranty and Support

8.1 Warranty Information

Your DOOGEE Fire 3 Ultra Rugged Phone comes with a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms, conditions, and duration. Keep your proof of purchase for warranty claims.

8.2 Customer Support

For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact the seller or the official DOOGEE customer support. Contact details can usually be found on the manufacturer's website or the warranty card.