1. Introduction
Thank you for choosing the DOOGEE Fire 3 Pro Rugged Phone. This device is engineered for durability and performance in challenging environments, while providing a rich smartphone experience. This manual will guide you through the essential steps to get started and make the most of your new phone.
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.
Safety Information
⚠ WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Always handle your device with care. Avoid extreme temperatures, direct sunlight, and keep it away from children and pets. Do not attempt to disassemble or repair the device yourself.
2. Package Contents and Setup
2.1 What's in the Box
- 1 x DOOGEE Fire 3 Pro Cellphone
- 1 x Type-C USB Cable
- 1 x Charger
- 1 x Silk screen printing Protective Film (Pre-applied)
- 1 x SIM Card Removal Needle
- 1 x Packing Box
- 1 x User Manual
- 1 x Warranty Card

2.2 SIM Card and TF Card Installation
The DOOGEE Fire 3 Pro supports either two nano SIM cards or one nano SIM card and one TF (microSD) card for expandable storage up to 2TB.
- Locate the SIM card tray on the side of the phone.
- Insert the SIM card removal needle into the small hole next to the tray to eject it.
- Carefully place your nano SIM card(s) and/or TF card into the designated slots on the tray. Ensure the gold contacts are facing down and the cards are correctly oriented.
- Gently push the tray back into the phone until it clicks into place.
2.3 Initial Power On and Charging
- Before first use, it is recommended to fully charge your phone. Connect the Type-C USB cable to the phone's charging port and the other end to the provided charger. Plug the charger into a power outlet.
- Once charged, press and hold the Power button (usually on the side) for a few seconds until the DOOGEE logo appears on the screen.
- Follow the on-screen instructions to complete the initial setup, including language selection, Wi-Fi connection, and Google account setup.
3. Operating Your Device
3.1 Basic Navigation
Your DOOGEE Fire 3 Pro runs on Android 15, offering an intuitive user experience. Use touch gestures to navigate:
- Tap: Select an item or open an app.
- Swipe: Scroll through screens, lists, or content.
- Pinch: Zoom in or out on photos and web pages.
- Long Press: Access contextual menus or move icons.

3.2 Camera Features
The phone features a 16MP AI main camera and an 8MP front camera. The AI scene recognition automatically optimizes settings for various scenarios, while Google Smart Camera provides enhanced photography capabilities.





3.3 Special Features
- Rugged Design: The Fire 3 Pro is built to withstand harsh conditions, certified with IP68, IP69K, and MIL-STD-810H ratings for water, dust, and shock resistance.
- NFC: Use Near Field Communication for quick pairing with compatible devices and contactless payments.
- Digital Toolkit: Access a suite of useful tools for outdoor activities and daily tasks.
- Gemini AI: Utilize AI capabilities for enhanced user interaction and smart features.



4. Maintenance
4.1 Cleaning Your Device
To keep your DOOGEE Fire 3 Pro in optimal condition:
- Wipe the screen and body with a soft, lint-free cloth.
- For stubborn dirt, slightly dampen the cloth with water or a screen cleaner.
- Avoid using harsh chemicals, abrasive materials, or compressed air.
- Ensure all port covers are securely closed before cleaning with liquids to maintain water resistance.
4.2 Battery Care
The 8350mAh battery is designed for extended use. To prolong its lifespan:
- Avoid fully discharging the battery frequently.
- Do not expose the phone to extreme heat or cold.
- Use only the provided charger and cable.
- If the phone will be stored for a long period, charge it to about 50% and power it off.
4.3 Maintaining Ruggedness
While designed to be rugged, proper care is still important:
- Always ensure all port covers (USB, SIM tray) are firmly sealed to maintain water and dust resistance.
- Avoid intentionally dropping the phone from excessive heights or onto extremely hard surfaces.
- Do not expose the phone to corrosive liquids or chemicals.
5. Troubleshooting
If you encounter any issues with your DOOGEE Fire 3 Pro, try the following basic troubleshooting steps:
- Phone not turning on: Ensure the battery is charged. Connect to the charger and wait a few minutes before attempting to power on again.
- Apps crashing or freezing: Close the problematic app and reopen it. If the issue persists, restart the phone.
- Poor network signal: Check if you are in an area with good network coverage. Try restarting the phone or reinserting the SIM card.
- Battery draining quickly: Check background app usage and disable unnecessary features like GPS or Wi-Fi when not in use. Reduce screen brightness.
- Touchscreen unresponsive: Restart the phone. If the issue continues, contact customer support.
For more complex issues, please refer to the official DOOGEE support website or contact their customer service.
6. Specifications
Detailed technical specifications for the DOOGEE Fire 3 Pro:
| Feature | Specification |
|---|---|
| Model | DOOGEE Fire 3 Pro |
| CPU | UNISOC T7200 Octa Core 1.6GHz 12nm |
| Display | 5.5-inch IPS HD+ Display |
| Rear Camera | 16MP AI main camera |
| Front Camera | 8MP Front Camera |
| RAM | 16GB (4GB + Up to 12GB Extended RAM) / LPDDR4X |
| ROM | 128GB / UFS |
| Max TF Card Capacity | 2TB |
| Battery Capacity | 8350mAh |
| Operating System | Android 15 |
| Dimensions | 162.5 x 77.4 x 17.8mm |
| Weight | 290g |
| SIM Slot | Support nano SIM1 + nano SIM2 or nano SIM card + TF card |
| Navigation | GPS | Glonass | Galileo | Beidou |
| Connectivity (GSM) | B2/3/5/8 |
| Connectivity (WCDMA) | B1/2/4/5/8 |
| Connectivity (TDD) | B34/38/39/40/41 |
| Connectivity (FDD) | B1/2/3/4/5/7/8/18/19/20/25/26/28A/28B/66 |
| Other Features | NFC, OTG, Wi-Fi 2.4/5GHz (ac/a/b/g/n), Bluetooth BT5.0, FM Support, EDGE/GPRS Support |
| Certifications | IP68, IP69K, MIL-STD-810H |
7. Warranty and Support
7.1 Warranty Information
Your DOOGEE Fire 3 Pro comes with a warranty as detailed in the included Warranty Card. Key service commitments include:
- Free Returns: Free returns within 90 days.
- Fast Delivery Guarantee: $1.00 coupon code if delivery is delayed.
- Refunds: Full refund if the package is lost or items are damaged.
- Delivery Guarantee: Refund if no delivery within 30 days.
Please retain your proof of purchase for warranty claims.
7.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact the seller through AliExpress chat. Our professional customer service and technical support team are ready to assist you.
7.3 Security & Privacy
Your security and privacy are important. We do not share your personal details with any third parties without your consent. All payments are safe and secure, and we protect your privacy by keeping your personal details safe and secure.





