1. Introduction
Thank you for choosing the DOOGEE V40 Pro 5G Rugged Phone. This manual provides essential information to help you set up, operate, maintain, and troubleshoot your device. Please read this manual carefully before using your phone to ensure optimal performance and safety.

Figure 1: DOOGEE V40 Pro 5G Rugged Phone highlighting Mediatek Dimensity 7300, 16GB RAM, 512GB ROM, 6.78" FHD+ 120Hz NFC, and 200MP AI Camera.
2. Important Safety Information
Please read all safety information below before using your device to prevent injury, electric shock, fire, and damage to the device.
2.1 General Precautions
- Use only authorized cables, power adapters, and batteries. Unauthorized accessories can cause fire, explosion, or other risks.
- The operating temperature range for this device is -10°C to 40°C. Using the device outside this range may cause damage.
- Keep your device dry. Do not attempt to repair the device yourself. If any part malfunctions, contact DOOGEE customer support or an authorized repair center.
- Connect other devices according to their instruction manuals. Do not connect incompatible devices.
- For AC/DC adapters, the socket-outlet shall be installed near the equipment and shall be easily accessible.
2.2 Battery Safety
- CAUTION: Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to instructions.
- The battery must be recycled or disposed of separately from household waste. Mishandling can cause fire or explosion.
- Do not disassemble, hit, crush, or burn the battery. If the battery appears deformed or damaged, stop using it immediately.
- Do not short circuit the battery, as this may cause overheating, burns, or other injury.
- Do not place the battery in a high-temperature environment. Overheating may cause explosion.
- User shall not remove or alter the battery. Removal or repair of the battery shall only be done by an authorized repair center of the manufacturer.
- Do not charge the device for more than 12 hours.
2.3 RF Exposure (SAR) Information
This device complies with Specific Absorption Rate (SAR) limits for general population/uncontrolled exposure (localized 10-gram SAR for head and trunk, limit: 2.0W/kg) specified in Council Recommendation 1999/519/EC, ICNIRP Guidelines, and RED (Directive 2014/53/EU).
- During SAR testing, this device was set to transmit at its highest certified power level in all tested frequency bands and placed in positions that simulate RF exposure during use against the head with no separation and near the body with a separation of 5 mm.
- SAR compliance for body operation is based on a separation distance of 5 mm between the unit and the human body. This device should be carried at least 5 mm away from the body.
- When attaching the device near the body, a belt clip or holster should be used which does not contain metallic components and allows a separation of at least 5 mm to be maintained between the device and the body.
2.4 Environmental Restrictions
- Observe all applicable laws and rules restricting use of mobile phones in specific situations and environments.
- Do not use your phone at petrol stations or in any explosive atmosphere or potentially explosive environment.
- Obey all posted signs to turn off wireless devices. Turn off your mobile phone or wireless device when in a blasting area or in areas requiring "two-way radios" or "electronic devices" to be turned off.
- Do not use your phone in hospital operating rooms, emergency rooms, or intensive care units.
- Maintain a minimum distance of 15 cm between your mobile phone and a pacemaker.
- Do not use your phone near hearing aids, cochlear implants, or other similar devices.
- Observe all aircraft safety regulations and turn off your phone on board aircraft when required.
- Do not use your phone outdoors during thunderstorms to avoid being struck by lightning.
- Do not use your phone to make calls while it is charging.
- Do not use your phone in places with high humidity, such as bathrooms.
2.5 WEEE Directive
Special precautions must be taken to safely dispose of this product. This marking indicates that this product may not be discarded with other household waste in the EU. To prevent harm to the environment or human health from inappropriate waste disposal, and to promote sustainable reuse of material resources, please recycle responsibly. To safely recycle your device, please use return and collection systems or contact the retailer where the device was originally purchased.
3. Setup
3.1 Package Contents
Ensure all items are present in the box:
- 1x DOOGEE V40 Pro Phone
- 1x Type-C USB Cable
- 1x Charger
- 1x Packing box
- 1x User Manual (this document)
- 1x Warranty Card
- 1x Thickened Protective Film

Figure 2: Items included in the DOOGEE V40 Pro package.
3.2 SIM and TF Card Installation
The DOOGEE V40 Pro supports a Triple Card Slot, allowing for two SIM cards and one TF (microSD) card simultaneously.
- Locate the SIM card tray on the side of the phone.
- Use the provided SIM ejector tool to open the tray.
- Carefully place your SIM cards (Nano-SIM) and TF card into the designated slots on the tray. Ensure they are correctly oriented.
- Gently push the tray back into the phone until it clicks into place.

Figure 3: Triple Card Slot for 2 SIMs and 1 TF Card.
3.3 Initial Charging and Power On
- Connect the Type-C USB cable to the phone's charging port and the other end to the provided 33W fast charger.
- Plug the charger into a power outlet. The phone will indicate charging status.
- Once sufficiently charged, press and hold the Power button (usually on the side) until the DOOGEE logo appears on the screen.
- Follow the on-screen prompts to complete the initial setup of Android 14.
4. Operating Instructions
4.1 Main Display and Rear Display
The DOOGEE V40 Pro features a 6.78-inch FHD+ IPS main display with a 120Hz dynamic refresh rate for a smooth visual experience. Additionally, it has an innovative 1.47-inch multi-functional rear display.
- Main Display: Enjoy a 2.4K ultra-clear resolution with 1500:1 contrast ratio and 16.7 million colors.
- Rear Display: This secondary display can show personalized text, time, date, SMS notifications, battery level, music controls, and various clock styles. It's particularly useful for discreetly checking information.

Figure 4: Main Display features.

Figure 5: 120Hz Dynamic Refresh Rate for smoother visuals.

Figure 6: Customizable Rear Display.
4.2 Camera Features
The DOOGEE V40 Pro is equipped with a powerful Morpho AI Quad Camera system, including a 200MP main camera, 20MP night photography camera, 8MP long focus camera, and 8MP ultra-wide angle & macro camera. The front camera is a 32MP Ultra HD sensor.
- 200MP AI Main Camera: Captures clear, high-quality images with real light and shadow effects.
- Morpho Ultra Zoom: Allows capturing distant objects with clarity and detail, featuring 50X digital zoom and 3.0X optical zoom.
- Morpho Super Night Mode: Utilizes multi-frame image fusion, brightness enhancement, and noise reduction for unparalleled nocturnal photography.
- Morpho Super-Resolution™: Enhances the resolution of zoomed-in images for sharper and more detailed visuals.
- Advanced Beauty: Accurately recognizes skin color and facial contours for real-time beauty processing in portraits.
- 4K Video Recording: Capture every detail with stunning clarity and vividness.
- Morpho EIS Anti-shake: Provides optimal video stabilization for steady footage.
- AI Camera Scene Recognition: Automatically recognizes 12 distinct scenes and optimizes settings for beautiful and clearer photos.
- Collective Photo: Selects the best effect for each face and blends it for lovely and happy group photos.

Figure 7: Morpho Imaging Algorithm Camera Specifications.

Figure 8: Morpho Ultra Zoom in action.

Figure 9: Morpho Super Night Mode comparison.

Figure 10: Morpho Super-Resolution™ for true-to-life restoration.

Figure 11: Advanced Beauty mode.

Figure 12: AI Camera scene recognition.

Figure 13: 4K Video Recording.

Figure 14: Morpho EIS Anti-shake for stable video.
4.3 Performance and Gaming
Powered by the 4nm MediaTek Dimensity 7300 Octa-core processor, the V40 Pro delivers superb performance for demanding tasks and immersive gaming.
- Hyper Engine: A dedicated gaming display chip boosts frame rates up to 120 FPS, with 20% power consumption reduction and 32000mm² heat dissipation area.
- Immersive Game Experience: Features 240Hz touch sampling rate, 120Hz dynamic refresh rate, 2.5GHz main frequency processor, and Wi-Fi 6 for seamless gameplay.
- RAM & ROM: Up to 36GB RAM (16GB + 20GB Extended RAM) and 512GB ROM, expandable up to 2TB with a TF card.
Video 1: DOOGEE V40 Pro Gaming and Feature Overview.

Figure 15: MediaTek Dimensity 7300 Processor.

Figure 16: Processor Performance Metrics.

Figure 17: Extended RAM capabilities.

Figure 18: Expandable Storage options.
4.4 Battery and Charging
The V40 Pro is equipped with an 8680mAh mega battery and supports 33W fast charging.
- 33W Hyper Charge Mode: Provides instant and secure charging.
- Intelligent Battery Management System: Optimizes battery efficiency and lifespan, reducing safety risks. Features Ultra Power Saving and Battery Percentage display.
- OTG Reverse Charging: Allows the phone to serve as a power bank to recharge other battery-powered electronics on-the-go.

Figure 19: 8680mAh Battery Life.

Figure 20: 33W Fast Charging details.

Figure 21: Intelligent Battery Management System.

Figure 22: OTG Reverse Charging.
4.5 Security and Convenience Features
The V40 Pro offers various features for enhanced security and user convenience.
- Side Fingerprint Recognition: Provides safe and fast access with a response speed of less than 0.03s and a 360° recognition angle.
- Face Recognition: Instant access in a blink.
- NFC: Effortless connectivity for various applications.
- Accurate Navigation System: Supports GPS, Glonass, Galileo, Beidou, and AGPS for precise directions.
- App Lock: Use your fingerprint to access encrypted apps directly, protecting private information.
- Fingerprint Extension Functions: After entering your fingerprint, press and hold it to access functions like answering incoming calls, taking photos, screenshots, returning to the desktop, or flipping desktop pages.
- Anti-theft Alarm: Features Charging Disconnected Alarm and Earphones Unplugged Alarm.
- Drama Mode (Video): Allows YouTube app to play in the background, enabling listening to audio even when the app is not in the foreground.

Figure 23: Side Fingerprint Recognition.

Figure 24: Face Recognition and NFC.

Figure 25: Accurate Navigation System.

Figure 26: App Lock feature.

Figure 27: Fingerprint Extension Functions.

Figure 28: Anti-theft Alarm for Mobile.

Figure 29: Drama Mode (Video).
4.6 Connectivity
The DOOGEE V40 Pro supports advanced wireless connectivity options.
- Wi-Fi 6: Enjoy seamless connection and effortless action with high transmission speeds.
- Bluetooth 5.2: Features Enhanced Attribute Protocol (EATT), LE power control, and LE Isochronous Channels for improved performance and user experience.

Figure 30: Bluetooth 5.2 and Wi-Fi 6.
4.7 DOOGEE OS 4.0
The phone runs on Android 14 with NEW DOOGEE OS 4.0, offering powerful encryption for privacy and smooth multitasking. It includes useful tools to boost your work:
- Side Application Bar
- Intelligent Call Answering
- Lock Screen Magazine Setting
- App Lock
- Anti-theft Alarming
- System Manager
- Kids Mode
- Eye Protection Mode
- Screen color temperature
- Anti-Peep
- Super Screenshot
- Network speed display in status bar

Figure 31: Android 14 and DOOGEE OS 4.0.

Figure 32: Useful Tools in DOOGEE OS 4.0.
5. Maintenance
5.1 Cleaning Your Device
To clean your phone, battery, and charger, use a soft, dry cloth. Do not use alcohol-based liquids or harsh chemicals, as these may damage the device's finish or internal components. Ensure the charging port is free of dust and debris for optimal charging.
5.2 Software Updates
Regularly update your phone's operating system using the built-in software update feature. This ensures you have the latest security patches, features, and performance improvements. Updating software through unauthorized means may damage the device or lead to data loss and security risks.
5.3 Environmental Endurance
The DOOGEE V40 Pro is designed for exceptional stability and durability, enduring extreme environments from -40°C (-40°F) to +70°C (158°F). It is also IP68, IP69K, and MIL-STD-810H certified for water, dust, and shock resistance.

Figure 33: Endurance in Extreme Environments.

Figure 34: IP68/IP69K/MIL-STD-810H Ruggedness.
6. Troubleshooting
If you encounter any issues with your DOOGEE V40 Pro, please refer to the following common troubleshooting steps:
- Device not turning on: Ensure the battery is sufficiently charged. Connect the charger and try again. If the issue persists, perform a forced restart by holding the Power button for about 10-15 seconds.
- Slow performance: Close unnecessary background apps. Clear cache and temporary files. If performance remains slow, consider a factory reset (back up your data first).
- Camera issues: Ensure the camera lens is clean. Check camera settings. If the camera's FPS rate seems low, ensure you are in good lighting conditions.
- Connectivity problems (Wi-Fi/Bluetooth/Cellular): Toggle the respective connection on/off. Restart the phone. Check network settings.
- Battery draining quickly: Check for power-hungry apps in the battery usage settings. Reduce screen brightness and disable unnecessary features like GPS or Wi-Fi when not in use.
- Fingerprint/Face Recognition not working: Ensure your fingers/face are clean and properly positioned. Re-register your biometrics if necessary.
For more complex issues, please contact DOOGEE customer support or visit an authorized service center.
7. Specifications

Figure 35: DOOGEE V40 Pro vs V30 Pro Comparison.
| Feature | Specification |
|---|---|
| Processor | MediaTek Dimensity 7300 (4nm Octa-core) |
| RAM | 16GB + 20GB Extended RAM (up to 36GB) |
| ROM | 512GB (Expandable up to 2TB via TF card) |
| Main Display | 6.78" FHD+ IPS, 120Hz Refresh Rate, 2.4K Resolution |
| Rear Display | 1.47" IPS Multi-functional Rear Display |
| Rear Camera | 200MP AI Main Camera, 20MP Night Photography Camera, 8MP Long Focus Camera, 8MP Ultra-wide & Macro Camera |
| Front Camera | 32MP Ultra HD |
| Battery | 8680mAh, 33W Fast Charging, OTG Reverse Charging |
| Operating System | Android 14, DOOGEE OS 4.0 |
| Durability | IP68, IP69K, MIL-STD-810H, -40°C to +70°C endurance |
| Connectivity | 5G, Wi-Fi 6, Bluetooth 5.2, NFC, GPS/Glonass/Galileo/Beidou/AGPS |
| SIM Slot | Triple Card Slot (2 SIMs + 1 TF Card) |
| Dimensions | 183.7 mm (Length) x 83.9 mm (Width) x 16.3 mm (Thickness) |
| Weight | 382g |
8. Warranty and Support
Your DOOGEE V40 Pro comes with a 1-year warranty. Please refer to the included Warranty Card for detailed terms and conditions. For technical support, service, or any inquiries, please contact DOOGEE customer support or visit an authorized DOOGEE service center.
A digital version of this user manual is available for reference. You can scan the QR code on the first page of the printed manual or visit the official DOOGEE website for more function information.
Scan for more information (PDF reference).
9. User Tips
Based on user feedback, here are some tips to enhance your experience:
- Performance: The phone offers very good performance for its cost and runs fast.
- Battery Life: The 8680mAh battery provides phenomenal and long-lasting battery life, making it suitable for extended use.
- Rear Display: The small rear screen is handy for discreetly checking notifications, especially in meetings.
- Durability: The rugged design and long battery life make it a durable choice for work environments.
- Camera: While the camera is generally good, some users note that the FPS rate might be low in certain conditions. Ensure good lighting for optimal results.
- Screen Protector: The glass screen protector fits almost perfectly, covering the screen well.
- Weight: The phone is noted to be a bit heavy due to its rugged construction and large battery.