1. Introduction
The DOOGEE Fire 3 Max is a rugged smartphone designed for durability and performance in challenging environments. It features a robust build, a large battery, powerful camping lights, and advanced camera capabilities, making it an ideal companion for outdoor adventures and demanding work conditions.

DOOGEE Fire 3 Max overview with key features.
2. Package Contents
Please check the box for the following items:
- 1* Fire 3 Max Rugged phone
- 1* Type-C Cable
- 1* Charger
- 1* Protective Film (Pre-applied)
- 1* Card Slot Opener
- 1* Packing Box
- 1* Manual
- 1* Warranty Card

All items included in the DOOGEE Fire 3 Max package.
3. Specifications
| Feature | Specification |
|---|---|
| CPU | UNISOC T7250 Octa-Core 1.8GHz 12nm |
| Display | 5.5 inch IPS HD+ (720x1440), 400 nits (TYP), 16.7M colors, Dark Mode |
| Rear Camera | 48MP AI Main Camera + 20MP Night Vision Camera |
| Front Camera | 8MP |
| RAM | 32GB (8GB Basic + Up to 24GB Extended RAM) LPDDR4X |
| ROM | 256GB UFS |
| External Storage | T-Flash Card up to 2TB (purchased separately) |
| Battery Capacity | 8350mAh, 18W Fast Charging, Reverse Charging |
| Operating System | Android 15 |
| Dimensions | 162.5 x 77.4 x 17.8 mm |
| Weight | 291g |
| SIM Slot | Dual SIM (nano SIM1 + nano SIM2) or nano SIM + TF card |
| Navigation | GPS, Glonass, Galileo, Beidou |
| Connectivity | Wi-Fi 2.4/5GHz (ac/a/b/g/n), Bluetooth 5.0, NFC, 3.5mm Headphone Port |
| Ruggedness | IP68/IP69K, MIL-STD-810H (Water-proof, Drop-proof, Dust-proof) |
| Other Features | Dual 1200LM Camping Lights, Side-Mounted Fingerprint, Face Recognition, Gemini AI |

Parameter comparison across the DOOGEE Fire series.
4. Setup
4.1 SIM Card and TF Card Installation
- Locate the SIM card tray on the side of the phone.
- Use the provided card slot opener to eject the tray.
- Carefully place your nano SIM card(s) and/or TF card into the designated slots. The phone supports either two nano SIM cards or one nano SIM card and one TF card.
- Ensure the cards are correctly oriented as indicated on the tray.
- Gently push the tray back into the phone until it clicks into place.
4.2 Initial Charging
- Connect the Type-C cable to the charging port at the bottom of the phone.
- Connect the other end of the cable to the provided charger.
- Plug the charger into a power outlet.
- Allow the phone to charge until the battery is full before initial use. The phone supports 18W fast charging.
4.3 Power On/Off
- Power On: Press and hold the Power button (usually on the side) until the DOOGEE logo appears.
- Power Off: Press and hold the Power button, then select 'Power off' from the options on the screen.
- Restart: Press and hold the Power button, then select 'Restart' from the options.
5. Operating Instructions
5.1 Basic Phone Functions
- Touch Screen: Navigate the phone using touch gestures such as tap, swipe, pinch-to-zoom.
- Android 15 OS: The phone runs on Android 15, offering a user-friendly interface and access to a wide range of applications.
- Side-Mounted Fingerprint & Face Unlock: Configure these biometric security features in the phone settings for quick and secure access.
- 3.5mm Headphone Jack: Connect your wired headphones for audio playback.
- NFC: Use NFC for contactless payments and quick data transfer with compatible devices.
- Bluetooth 5.0: Connect to Bluetooth accessories like headphones, speakers, or smartwatches.
- Accurate Navigation System: Utilize GPS, Glonass, Galileo, and Beidou for precise location tracking and navigation.
5.2 Special Features
5.2.1 Dual 1200LM Camping Lights
The DOOGEE Fire 3 Max is equipped with powerful dual 1200LM camping lights on the back, providing ample illumination for night activities.
- 3 Lighting Modes: Switch between Lighting, Flash, and SOS modes as needed.
- Adjustable Brightness: Customize the brightness level to suit your environment.
- Customizable Timers: Set timers for the lights to turn off automatically.

Dual 1200LM Camping Lights for night adventures.

Three adjustable modes for the camping lights.
5.2.2 Camera Functions
Capture every moment with the versatile camera system:
- 48MP Main Camera: For high-resolution photos in various conditions.
- 8MP Front Camera: For clear selfies and video calls.
- 20MP Night Vision Camera: See clearly even in complete darkness.
- Multiple Photography Features: Includes Google Smart Camera, AI Scene Recognition, Beauty Mode, Night Mode, Audio Note, and Smile Shutter.

20MP Night Vision capability.

Multiple photography features for enhanced creativity.
5.2.3 Built-in Gemini AI
Leverage the built-in Gemini AI for smart tools and effortless assistance:
- Content Creation: Generate ideas and text.
- Code Development: Assist with coding tasks.
- Smart Assistant: Get quick answers and perform tasks.
- Image Analysis: Understand and interpret images.
- Language Learning: Aid in language acquisition.

Gemini AI for smart tools and assistance.
5.2.4 Android 15 OS Features
Experience enhanced functionality with Android 15:
- APP Clone: Run multiple instances of an app.
- Private Space: Secure your personal data and apps.
- Three-Finger Screenshot: Capture screenshots quickly.
- Super Clipboard: Advanced clipboard management.
- Smart Motion Sensing: Gesture-based controls.
- Screen Awareness: Intelligent screen behavior.

Android 15 OS features for modern use.
5.2.5 Ruggedness
The Fire 3 Max is built to withstand harsh conditions:
- IP68/IP69K: Water-proof and dust-proof.
- MIL-STD-810H: Drop-proof, tested for high strength drops.

Ruggedness features: IP68/IP69K and MIL-STD-810H compliance.
5.2.6 Eye Care
The 5.5" HD+ IPS display includes an Eye Care feature to reduce strain during long periods of use.

Eye Care feature for comfortable viewing.
5.2.7 Battery Life
The 8350mAh large battery provides extended usage times:
- Up to 25.4 days standby
- Up to 108 hours music playing
- Up to 41 hours video watching
- Up to 48.7 hours calling
- Supports reverse charging for earbuds and smartwatches.

8350mAh large battery with fast and reverse charging capabilities.
Official product video showcasing the DOOGEE Fire 3 Max's features, including ruggedness, camping lights, display, battery, processor, memory, and cameras.
6. User Tips
- Maximize Battery Life: To extend battery life, consider using Dark Mode, reducing screen brightness, and closing unused background apps.
- Ruggedness Care: While the phone is rugged, avoid intentionally exposing it to extreme conditions beyond its specifications. Always ensure port covers are securely closed when near water or dust.
- Expandable Storage: If you need more storage for heavy apps or media, consider purchasing a TF card (up to 2TB) to expand the phone's memory.
- Camping Light Usage: When using the camping lights, especially the SOS mode, be mindful of your surroundings and use them responsibly. Keep the camping light out of your eyes.
- Software Updates: Regularly check for system updates to ensure your phone has the latest features, security patches, and performance improvements.
7. Maintenance
- Cleaning: Use a soft, lint-free cloth to clean the screen and body of the phone. For stubborn dirt, a slightly damp cloth can be used. Avoid harsh chemicals.
- Water Exposure: After exposure to water, ensure all ports are dry before charging or connecting accessories.
- Software Management: Periodically clear cache and unnecessary files to maintain optimal performance. Uninstall apps you no longer use.
- Temperature: Avoid exposing the phone to extreme temperatures (very hot or very cold) as this can affect battery life and internal components.
8. Troubleshooting
- Phone Not Turning On: Ensure the battery is charged. Connect the charger and wait a few minutes before attempting to power on again. If it still doesn't turn on, try a forced restart (usually holding power button for 10-15 seconds).
- Apps Crashing/Freezing: Try clearing the app's cache and data in Settings > Apps. If the issue persists, reinstall the app.
- Poor Battery Life: Check for background apps consuming power. Adjust screen brightness, disable unnecessary features like GPS or Bluetooth when not in use.
- Network Connectivity Issues: Check if airplane mode is off. Restart the phone. Verify SIM card installation. If issues persist, contact your network provider.
- Touch Screen Unresponsive: Restart the phone. If the issue continues, it might indicate a hardware problem.
- Charging Issues: Ensure the charging cable and adapter are working correctly. Try a different cable/adapter. Check the charging port for debris.
9. Warranty and Support
The DOOGEE Fire 3 Max comes with a 1-year warranty. For any questions, technical support, or warranty claims, please contact DOOGEE Official Store customer service through the platform where you purchased the device. Provide your purchase details and a clear description of the issue for prompt assistance.
Important Note: If you have any questions, or if there are any problems with the package you received, please contact us through Aliexpress chatting as soon as possible. We have professional customer service staff and technical support, and we will try our best to assist you in solving the problem. Your understanding would be highly appreciated.