Introduction
The Doogee Fire 3 is a rugged smartphone designed for durability and performance in challenging environments. It features a robust build, a large 8350mAh battery, a 5.5-inch HD+ IPS display, and runs on Android 15. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.

Package Contents
Please check the box for the following items:
- 1 x Fire 3 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 User Manual
- 1 x Warranty Card

Setup
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.
- Place your Nano SIM card(s) and/or TF card (up to 2TB) into the designated slots on the tray. Ensure they are correctly oriented.
- Carefully reinsert the tray into the phone until it clicks into place.
2. Initial Charging
- Connect the Type-C USB cable to the charging port at the bottom of the phone.
- Connect the other end of the USB cable to the provided charger.
- Plug the charger into a power outlet.
- Allow the phone to charge fully before first use. The 8350mAh battery supports 10W charging.
3. Powering On/Off
- To Power On: Press and hold the Power button (usually on the side) until the Doogee logo appears.
- To Power Off: Press and hold the Power button, then select 'Power off' from the options on the screen.
- To Restart: Press and hold the Power button, then select 'Restart' from the options.
Operating Instructions
Display
The Fire 3 features a 5.5-inch IPS HD+ display with a resolution of 1440x720 pixels and 400 Nits (typical) brightness, offering 16.7 million screen colors. It is designed for comfortable one-handed use and includes eye care modes for reduced strain.

Cameras
- Rear Camera: 13MP AI Main Camera for capturing sharp and detailed photos.
- Front Camera: 8MP Front Camera for clear selfies and video calls.

Performance and Storage
The Fire 3 is powered by a UNISOC SC9863A Octa-Core processor clocked at 1.6GHz, ensuring stable and efficient performance for everyday tasks and multitasking. It comes with 12GB RAM (3GB physical + up to 9GB extended RAM) and 64GB of internal storage, expandable up to 2TB via a T-Flash card.

Battery
Equipped with a massive 8350mAh battery, the Fire 3 offers extended usage times:
- Standby: 47.2 Days
- Music Playing: 87.2 Hours
- Video Watching: 28.8 Hours
- Calling: 44.2 Hours
The device supports 10W charging and features reverse charging, allowing you to power other small devices like earbuds or smartwatches.

Android 15 OS Features
The Fire 3 runs on Android 15, offering a range of modern features for enhanced user experience:
- App Cloning: Run multiple instances of an app.
- Enhanced Privacy Protection: Advanced controls over your data and permissions.
- Super Clipboard: Improved clipboard functionality.
- Split Screen: Use two apps simultaneously.
- Smart Motion Sensing: Gesture-based controls.
- Video Enhancement: Improved video playback quality.
- Screen Awareness: Keeps the screen on while you're looking at it.
- Live Caption: Real-time captions for media.
- Glove Mode: Allows for touch screen operation while wearing gloves.

Connectivity and Navigation
- Wi-Fi: Supports Wi-Fi 2.4GHz (IEEE 802.11/b/g/n) for wireless internet access.
- Bluetooth: Bluetooth 4.2 for stable and smooth wireless connections with accessories.
- NFC: Near Field Communication for quick payments and data exchange.
- Navigation: Built-in GPS and Glonass for accurate positioning.

Rugged Features
The Doogee Fire 3 is engineered to withstand extreme conditions, certified with IP68/IP69K waterproofing and MIL-STD-810H military-grade durability. It has passed 1.5M high strength drop tests and is resistant to water and dust.

Maintenance
To ensure the longevity and optimal performance of your Doogee Fire 3, follow these maintenance guidelines:
- Cleaning: Use a soft, damp cloth to clean the phone's surface. Avoid harsh chemicals or abrasive materials. For rugged features, ensure all port covers are securely closed before exposing to water or dust.
- Temperature: Avoid exposing the phone to extreme temperatures (very hot or very cold) as this can affect battery life and internal components.
- Charging: Use only the provided charger and cable to prevent damage to the battery and charging port.
- Software Updates: Regularly check for and install software updates to ensure your device has the latest security patches and performance improvements.
Troubleshooting
If you encounter issues with your Doogee Fire 3, try the following steps:
- Phone not turning on: Ensure the battery is charged. Connect the phone 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 your SIM card is properly inserted. Try moving to an area with better network coverage.
- Touchscreen unresponsive: Restart the phone. If the issue continues, perform a factory reset (back up your data first).
- Battery draining quickly: Reduce screen brightness, close unused apps, and disable unnecessary features like Wi-Fi, Bluetooth, or GPS when not in use.
Specifications
| Feature | Specification |
|---|---|
| Display | 5.5" IPS HD+ (1440x720) |
| Processor | UNISOC SC9863A Octa-Core 1.6GHz |
| RAM | 12GB (3GB + up to 9GB Extended) LPDDR4X |
| ROM | 64GB |
| Max TF Card Capacity | Up to 2 TB |
| Rear Camera | 13MP AI Main Camera |
| Front Camera | 8MP Front Camera |
| Battery Capacity | 8350mAh (Not Detachable) |
| Charging Power | 10W (Nonsupport Fast Charging) |
| Operating System | Android 15 |
| Dimensions | 162.5 x 77.4 x 17.8mm |
| SIM Slot | Nano SIM + Nano SIM + TF card |
| Wi-Fi | Wi-Fi 2.4GHz (IEEE 802.11/b/g/n) |
| Bluetooth | 4.2 |
| NFC | Yes |
| GPS | Built-in GPS, Glonass, Galileo |
| Headphone Port | 3.5mm |
| Charging Interface | Type-C |
| Ruggedness | IP68/IP69K, MIL-STD-810H |
| Network Bands | GSM: B2/3/5/8, WCDMA: B1/2/4/5/8, TDD: B34/38/39/40/41, FDD: B1/2/3/4/5/7/8/18/19/20/25/26/28A/28B/66 |

User Tips
- Maximize Battery Life: Utilize the phone's power-saving modes and features like 'Eye Care' to extend battery life, especially during long outdoor activities.
- Ruggedness Best Practices: While the phone is rugged, always ensure port covers are sealed when near water or dust to maintain its IP ratings. Avoid intentionally dropping the device from excessive heights.
- Storage Management: Regularly clear cache and unnecessary files to maintain smooth operation. Consider using a TF card for additional storage for photos and videos.
- Glove Mode: If you work in conditions requiring gloves, enable 'Glove Mode' in settings for improved touchscreen responsiveness.
Warranty and Support
Your Doogee Fire 3 Rugged Phone comes with a manufacturer's warranty. Please refer to the included Warranty Card for specific terms and conditions, including the warranty period and coverage details.
For technical support, service, or warranty claims, please contact the official Doogee customer service or the authorized reseller from whom you purchased the device. Keep your proof of purchase handy when contacting support.