1. Introduction
This manual provides essential information for the safe and efficient operation of your DOOGEE V40 Pro 5G Rugged Smartphone. Please read it thoroughly before using your device to ensure proper setup, usage, and maintenance. The DOOGEE V40 Pro is designed for durability and high performance, featuring a Dimensity 7300 4nm 5G processor, a 200MP AI camera, an 8680mAh battery, and a 1.47-inch multi-functional rear screen.
2. What's in the Box
Verify that all items are present in the product packaging:
- 1 x DOOGEE V40 Pro Rugged Phone
- 1 x Type-C USB Cable
- 1 x Charger
- 1 x Packing Box/ 1 x Manual
Video Description: An unboxing video of the DOOGEE V40 Pro, showing the phone and its included accessories such as the charger and USB cable.
3. Product Overview
The DOOGEE V40 Pro features a robust design with advanced functionalities. It includes a large main display and an innovative rear screen for quick access to information and controls.
3.1 Front and Rear Views

Image Description: A comprehensive view of the DOOGEE V40 Pro, showcasing its front display and the unique rear panel with the camera module and secondary screen.
3.2 Main Display
The device is equipped with a 6.78-inch FHD+ display offering a 120Hz dynamic refresh rate for smooth visuals and efficient power consumption.

Image Description: The DOOGEE V40 Pro's main 6.78-inch FHD+ display, illustrating its vibrant screen quality.
3.3 Multi-functional Rear Display
A 1.47-inch secondary display on the rear provides quick access to essential information and controls without needing to activate the main screen. Functions include time, date, notifications, music control, and battery level.

Image Description: A close-up of the DOOGEE V40 Pro's 1.47-inch rear display, showing various customizable widgets and information displays.
3.4 Camera System
The device features a versatile camera setup, including a 200MP AI main camera with OIS, a 20MP night vision camera, an 8MP telephoto camera, an 8MP macro camera, and a 32MP front-facing camera.

Image Description: A detailed view of the DOOGEE V40 Pro's circular rear camera module, highlighting its multiple lenses and flash.
4. Setup
4.1 SIM Card and TF Card Installation
To install your SIM card(s) and/or TF card (microSD card for expandable storage), locate the SIM tray on the side of the device. Use the provided SIM ejector tool to open the tray. Carefully place your nano-SIM cards and/or TF card into the designated slots, ensuring correct orientation. Close the tray securely.
4.2 Initial Power On
Press and hold the Power button located on the side of the device until the DOOGEE logo appears. Follow the on-screen instructions to complete the initial setup, including language selection, network connection, and account configuration.
5. Operating Instructions
5.1 Basic Phone Functions
Navigate the Android 14 operating system using touch gestures. Swipe down from the top for notifications and quick settings. Use the volume buttons on the side to adjust audio levels. The power button can be configured for various actions, including screen lock/unlock and power options.
5.2 Using the Rear Display
The 1.47-inch rear display offers quick access to information and controls. Swipe left or right to cycle through different widgets such as time, date, battery status, music playback controls, and notification alerts. This display can also be used for enhanced selfie previews.

Image Description: A person holding the DOOGEE V40 Pro, demonstrating the visibility and utility of the rear display.
5.3 Camera Operation
Open the Camera application to access the 200MP AI main camera, 20MP night vision camera, 8MP telephoto, 8MP macro, and 32MP front camera. Select different modes for photos, videos (including 4K recording), and special features like anti-shake and night vision. The rear display can assist with framing selfies using the main camera.
Video Description: A promotional video showcasing the DOOGEE V40 Pro's features, including its camera capabilities and rugged design.
5.4 Performance and Gaming
The Dimensity 7300 4nm 5G processor and 36GB RAM (16GB physical + 20GB virtual) provide smooth performance for demanding applications and games. The DOOGEE OS 4.0 includes features like Game Mode Without Disturb for an uninterrupted gaming experience.
Video Description: A video highlighting the DOOGEE V40 Pro's e-sports design and performance, suitable for gaming enthusiasts.
5.5 DOOGEE OS 4.0 Features
Experience enhanced user interface and features with DOOGEE OS 4.0, including App Cloning, Drama Mode (Video), and Dynamic Capsule for improved multitasking and user interaction.
6. Connectivity
The DOOGEE V40 Pro supports a range of connectivity options:
- Network: 5G connectivity. Supports AT&T, Verizon, T-Mobile. Not compatible with CDMA carriers such as Cricket, Sprint, Boost Mobile, Straight Talk, or U.S. Cellular.
- Wi-Fi: Wi-Fi 6 for fast and stable wireless internet.
- Bluetooth: Bluetooth 5.2 for connecting wireless accessories.
- NFC: Near Field Communication for contactless payments and data exchange.
- GPS: Integrated GPS with Beidou, Galileo, and Glonass support for accurate navigation.
7. Battery Management
The DOOGEE V40 Pro is equipped with an 8680mAh battery, providing extended usage times. It supports 33W fast charging to quickly replenish power.

Image Description: An illustration highlighting the large 8680mAh battery capacity of the DOOGEE V40 Pro.
7.1 OTG Reverse Charging
Utilize the OTG (On-The-Go) function to use your V40 Pro as a power bank to charge other compatible devices.
7.2 Intelligent Battery Management
The device features an intelligent battery management system with Ultra Power Saving mode to extend battery life when needed and an option to display battery percentage in the status bar.
8. Rugged Features
The DOOGEE V40 Pro is built to withstand harsh environments, certified with IP68, IP69K, and MIL-STD-810H ratings.
- IP68: Dust and water resistant up to 1.5 meters for 30 minutes.
- IP69K: Resistant to high-pressure, high-temperature water jets.
- MIL-STD-810H: Military-grade durability against drops, shocks, and extreme temperatures.
- Temperature Resistance: Operates reliably in temperatures ranging from -40°C (-40°F) to +70°C (158°F).

Image Description: The DOOGEE V40 Pro submerged in water and being dropped, illustrating its IP68/IP69K and MIL-STD-810H ruggedness ratings.
9. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 7.2 x 3.3 x 0.6 inches |
| Item Weight | 12.8 ounces (0.8 Pounds) |
| Operating System | Android 14 |
| CPU Model | Dimensity 7300 4nm 5G Octa-core Processor |
| CPU Speed | 2.5 GHz |
| RAM Memory Installed Size | 36 GB (16GB + 20GB virtual) |
| Memory Storage Capacity | 512 GB (Expandable up to 2TB with TF card) |
| Standing Screen Display Size | 6.78 Inches |
| Resolution | 1080 x 2400 (FHD+) |
| Refresh Rate | 120 Hz |
| Rear Display | 1.47" All-Purpose Secondary Display |
| Main Camera | 200MP AI Main Camera with OIS |
| Night Vision Camera | 20MP Night Vision Camera |
| Other Rear Cameras | 8MP Telephoto Camera, 8MP Macro Camera |
| Front Camera | 32MP Front Camera |
| Battery Capacity | 8680 Milliamp Hours |
| Charging | 33W Fast Charging, OTG Reverse Charging |
| Connectivity Technologies | Bluetooth 5.2, NFC, WiFi 6 |
| GPS | Beidou, Galileo, Glonass, GPS |
| Ruggedness | IP68, IP69K, MIL-STD-810H |
| Audio Jack | Type-C |
| Speaker | 1216 Super-linear Waterproof 121dB 1.5W BOX Speaker with SMART PA chip |
| Human Interface Input | Touchscreen |
| Color | Blue |
10. Troubleshooting
If you encounter issues with your DOOGEE V40 Pro, try the following steps:
- Device Not Powering On: Ensure the battery is charged. Connect the phone to the charger and wait a few minutes before attempting to power on again.
- Unresponsive Screen: Press and hold the Power button for about 10-15 seconds to force a restart.
- Network Connectivity Issues: Check if your SIM card is correctly inserted. Verify that mobile data or Wi-Fi is enabled. Restart the device.
- App Malfunctions: Close and reopen the problematic application. If the issue persists, clear the app's cache and data in Settings > Apps.
- Slow Performance: Close unnecessary background applications. Clear cache regularly. Consider a factory reset as a last resort (back up your data first).
11. Warranty and Support
DOOGEE provides comprehensive support for your V40 Pro smartphone:
- 30-Day Money Back Guarantee: If you are not satisfied with your purchase, you may be eligible for a full refund within 30 days.
- 2-Year Limited Warranty: Your device is covered by a 2-year limited warranty against manufacturing defects. Please refer to the warranty card included in the box for detailed terms and conditions.
- 24/7 Online Support: For any technical assistance or inquiries, contact DOOGEE customer service available 24 hours a day, 7 days a week.





