1. Introduction
Welcome to the user manual for your new DOOGEE T40 Tablet. This guide provides essential information to help you set up, operate, maintain, and troubleshoot your device. The DOOGEE T40 is a high-performance Android 14 tablet designed for both productivity and entertainment, featuring an 11-inch 2.5K display, a powerful Helio G99 Octa-core processor, and extensive storage capabilities.
Please read this manual thoroughly to ensure proper use and to maximize your tablet's potential.

Figure 1.1: DOOGEE T40 Tablet and included accessories.
2. Setup
2.1 Initial Charging
Before first use, fully charge your DOOGEE T40 tablet using the provided charger and USB cable. The tablet supports 18W fast charging.
- Connect the USB cable to the tablet's charging port.
- Plug the charger into a power outlet.
- The charging indicator will appear on the screen.
2.2 Powering On/Off
- To Power On: Press and hold the Power button until the DOOGEE logo appears.
- To Power Off: Press and hold the Power button until the power options menu appears, then select 'Power off'.
- To Restart: Press and hold the Power button until the power options menu appears, then select 'Restart'.
2.3 SIM Card and MicroSD Card Installation
The DOOGEE T40 supports dual SIM cards and a MicroSD card for expandable storage up to 2TB.
- Locate the SIM tray on the side of the tablet.
- Insert the SIM ejector tool into the small hole next to the tray to open it.
- Carefully pull out the tray.
- Place your Nano-SIM cards and/or MicroSD card into the designated slots on the tray, ensuring correct orientation.
- Gently push the tray back into the tablet until it clicks into place.

Figure 2.1: SIM and MicroSD card tray for the DOOGEE T40 Tablet.
2.4 Initial Setup Wizard
Upon first power-on, the tablet will guide you through an initial setup process. Follow the on-screen prompts to:
- Select your language.
- Connect to a Wi-Fi network.
- Sign in with your Google account or create a new one.
- Set up screen lock (PIN, pattern, password, or Face ID).
- Review and accept terms and conditions.
3. Operating Instructions
3.1 Basic Navigation (Android 14)
Your DOOGEE T40 runs on Android 14, offering an intuitive user experience. Use gestures or on-screen navigation buttons to interact with the tablet:
- Home Screen: Swipe left/right to navigate between home screens.
- App Drawer: Swipe up from the bottom of the screen to access all installed applications.
- Notifications & Quick Settings: Swipe down from the top of the screen to view notifications and quick settings toggles.
- Multitasking: Swipe up and hold from the bottom of the screen to view recent apps.
3.2 Connectivity
3.2.1 Wi-Fi Connection
To connect to a Wi-Fi network:
- Go to Settings > Network & internet > Internet.
- Turn on Wi-Fi.
- Select your desired network from the list and enter the password if required.
3.2.2 Bluetooth Pairing
To pair with a Bluetooth device:
- Go to Settings > Connected devices > Connection preferences > Bluetooth.
- Turn on Bluetooth.
- Select 'Pair new device' and choose your device from the list.

Figure 3.1: Connectivity options on the DOOGEE T40 Tablet.
3.3 Camera Usage
The DOOGEE T40 features a 16MP main camera and an 8MP front camera for capturing photos and videos.
- Open the Camera app from your home screen or app drawer.
- Switch between front and rear cameras using the icon on the screen.
- Tap the shutter button to take a photo or start/stop video recording.

Figure 3.2: Camera capabilities of the DOOGEE T40 Tablet.
3.4 Face Unlock
For quick and secure access, you can set up Face Unlock:
- Go to Settings > Security & privacy > Device unlock > Face unlock.
- Follow the on-screen instructions to register your face.
3.5 Split-Screen Functionality
The DOOGEE T40 supports split-screen mode for enhanced multitasking:
- Open the first app you want to use.
- Swipe up and hold from the bottom of the screen to view recent apps.
- Tap the app icon at the top of the app's card and select 'Split screen'.
- Choose the second app from your recent apps or app drawer.
3.6 Reverse Charging
The 8580mAh battery allows the DOOGEE T40 to act as a power bank for other devices:
- Connect your other device to the tablet using a compatible USB cable.
- Ensure the tablet's battery level is sufficient.

Figure 3.3: Battery features including reverse charging.
4. Key Features
The DOOGEE T40 Tablet is engineered with advanced features to enhance your digital experience:
4.1 Display
- Size: 11-inch 2.5K Anti-Blue Light Display.
- Resolution: 2560x1600 pixels, offering exceptional clarity and vibrant colors.
- Brightness: Max 250 nits, supporting DCI-P3 color gamut.

Figure 4.1: Detailed view of the 11-inch 2.5K display.
4.2 Performance & Storage
- Processor: Helio G99 Octa-core processor (2x A76 2.2GHz + 6x A55 2.0GHz) built on 6nm process technology, ensuring smooth multitasking and gaming.
- RAM: Up to 20GB (8GB physical + 12GB virtual) for seamless app performance.
- Internal Storage: 512GB ROM (UFS2.2) for ample space for apps, photos, and videos.
- Expandable Storage: Supports MicroSD card expansion up to 2TB.

Figure 4.2: Helio G99 Processor and gaming capabilities.

Figure 4.3: Super powerful storage capacity.
4.3 Battery
- Capacity: 8580mAh, providing long-lasting performance.
- Charging: Supports 18W fast charging.
4.4 Operating System
- Runs on Android 14, designed for optimal productivity and entertainment, with GMS authentication for full Google services.
4.5 Audio
- Features a 3.5mm headphone jack for versatile audio connections.

Figure 4.4: 3.5mm headphone jack for audio connectivity.
5. Maintenance
5.1 Cleaning Your Tablet
- Use a soft, lint-free cloth to clean the screen and body of the tablet.
- For stubborn smudges, slightly dampen the cloth with water or a screen cleaner.
- Avoid using harsh chemicals, abrasive materials, or excessive moisture.
5.2 Software Updates
Regularly check for and install software updates to ensure optimal performance, security, and access to new features.
- Go to Settings > System > System update.
- Follow the on-screen instructions to download and install any available updates.
5.3 Battery Care
- Avoid exposing the tablet to extreme temperatures (hot or cold).
- Do not let the battery completely drain frequently.
- Use only the original charger or certified compatible chargers.
6. Troubleshooting
If you encounter issues with your DOOGEE T40 Tablet, refer to the following common solutions:
6.1 Device Not Powering On
- Ensure the battery is charged. Connect the charger and wait a few minutes before attempting to power on.
- Press and hold the Power button for at least 10-15 seconds to force a restart.
6.2 Connectivity Issues (Wi-Fi/Bluetooth/4G)
- Wi-Fi: Restart your router. Forget the network on your tablet and reconnect.
- Bluetooth: Ensure the device you are trying to connect to is in pairing mode and within range. Try unpairing and re-pairing.
- 4G LTE: Check if your SIM card is properly inserted and activated. Verify your mobile data plan.
- Try toggling Airplane Mode on and off.
6.3 Slow Performance or App Crashes
- Close unused background applications.
- Clear cache for problematic apps (Settings > Apps > [App Name] > Storage & cache > Clear cache).
- Ensure you have sufficient free storage space.
- Restart the tablet.
6.4 Factory Reset
If issues persist, a factory reset can resolve many software-related problems. Warning: This will erase all data on your tablet. Back up important data before proceeding.
- Go to Settings > System > Reset options > Erase all data (factory reset).
- Follow the on-screen instructions.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | T40 VIP |
| Operating System | Android 14 |
| Screen Display Size | 11 Inches |
| Max Screen Resolution | 2560x1600 Pixels (2.5K) |
| Processor | Helio G99 Octa-core |
| RAM | 20GB (8GB physical + 12GB virtual) |
| Internal Storage | 512GB |
| Expandable Storage | Up to 2TB (MicroSD) |
| Battery Capacity | 8580mAh |
| Fast Charging | 18W |
| Rear Camera | 16MP |
| Front Camera | 8MP |
| Connectivity | Dual 4G LTE, Wi-Fi 2.4G/5G, Bluetooth 5.0 |
| Dimensions (LxWxH) | 14.5 x 8 x 1.8 inches |
| Item Weight | 3.3 pounds |
| Color | Blue |
8. Warranty and Support
DOOGEE is committed to providing excellent customer service and product reliability.
- Warranty: Your DOOGEE T40 Tablet comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects.
- Money Back Guarantee: Enjoy a 30-day money-back guarantee and free returns.
- Technical Support: Lifetime technical support is available for your product.
- Customer Service: Full 24/7 customer service is provided to assist with any inquiries or issues.
For support, please refer to the contact information provided with your product packaging or visit the official DOOGEE website.
9. Official Product Videos
No official product videos from the seller were found in the provided data.





