1. Introduction
This manual provides essential information for setting up, operating, and maintaining your DOOGEE T40 Android 14 Tablet. Please read this guide thoroughly before using your device to ensure proper functionality and safety.
2. What's in the Box
Verify that all items are present in the packaging:
- T40 Tablet x1
- Type-C USB Cable x1
- Charger x1
- Tool for SIM/SD card x1
- Anti-explosion film x1
- Packing box x1
- Manual x1
3. Product Overview
The DOOGEE T40 tablet features an 11-inch 2.5K display and an ultra-thin metal body. It is equipped with a Helio G99 Octa-core processor and runs on Android 14.

Image: Front and back view of the DOOGEE T40 Tablet, showcasing its design.
3.1 Physical Features
The tablet features an aerospace-grade alloy unibody design, measuring 7.6mm in thickness and weighing 539g.

Image: Side view of the DOOGEE T40 Tablet, highlighting its slim profile and port locations.
3.2 Camera System
The tablet includes a 16MP main camera and an 8MP front camera for capturing photos and videos.

Image: Visual representation of the 16MP main camera and 8MP front camera capabilities.
3.3 Audio
The DOOGEE T40 is equipped with immersive quad speakers for enhanced audio experience and includes a 3.5mm headphone jack.
Video: An overview of the DOOGEE T40 Tablet, highlighting its design, display, battery, processor, and quad speakers.
4. Initial Setup
4.1 Charging the Battery
Before first use, fully charge the tablet using the provided Type-C USB cable and charger. The tablet features an 8580mAh battery with 18W fast charging support.

Image: Illustration of the 8580mAh battery and its fast charging capability.
4.2 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, then select 'Power off' from the options.
4.3 Inserting SIM and MicroSD Cards
The tablet supports Dual SIM 4G and MicroSD card expansion up to 2TB. Use the provided tool to open the SIM tray and insert your cards as indicated.
5. Operating Your Tablet
5.1 Display and Navigation
The 11-inch 2.5K IPS display offers a resolution of 2560x1600 pixels. Navigate the Android 14 interface using touch gestures.

Image: Features of the 11-inch 2.5K Anti-Blue Light Display.
5.2 Performance and Storage
Powered by the Helio G99 Octa-core processor, the tablet offers smooth performance. It comes with 512GB of internal storage and supports up to 2TB MicroSD expansion. The tablet also features 8GB physical RAM with an additional 12GB virtual RAM.

Image: Details on the Helio G99 Octa-Core Processor and its performance.

Image: Information regarding the tablet's 20GB RAM, 512GB ROM, and 2TB expandable storage.
5.3 Connectivity
Stay connected with Dual 4G LTE, 2.4G/5G Wi-Fi, and Bluetooth 5.0. The tablet supports various network frequencies for global compatibility.

Image: Features related to 4G LTE, 2.4G/5G WiFi, and Bluetooth 5.0 connectivity.
5.4 Android 14 Features
Experience optimal productivity and entertainment with Android 14, featuring enhanced privacy controls, Google Play Store access, and split-screen functionality for multitasking.

Image: Overview of Android 14 features on the DOOGEE T40 Tablet.
5.5 Face Unlock and OTG
The tablet supports Face Unlock for secure access and OTG (On-The-Go) functionality, allowing it to connect to USB devices and act as a power bank for other devices.
6. Maintenance
6.1 Care and Cleaning
Use a soft, lint-free cloth to clean the screen and body of the tablet. Avoid using harsh chemicals or abrasive materials. Keep the device away from extreme temperatures and direct sunlight.
6.2 Battery Care
To prolong battery life, avoid fully discharging the battery frequently. Charge the tablet regularly and avoid leaving it connected to the charger for extended periods after it's fully charged.
7. Troubleshooting
7.1 Common Issues and Solutions
- Tablet not turning on: Ensure the battery is charged. Connect the charger and try again.
- Screen unresponsive: Restart the tablet by holding the power button for approximately 10 seconds.
- Apps crashing: Clear the cache of the problematic app or reinstall it. Ensure the tablet's software is up to date.
- Slow performance: Close unnecessary background applications. Check for available storage space and clear old files.
- Overheating: Avoid using the tablet in direct sunlight or during heavy processing tasks for extended periods. Close demanding applications if the device feels excessively warm.
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | T40 |
| Operating System | Android 14 |
| Processor | Helio G99 Octa-Core (4.4 GHz) |
| Graphics Coprocessor | Mali-G57 MC2 |
| Screen Size | 10.95 Inches |
| Max Screen Resolution | 2560 x 1600 Pixels (2.5K) |
| RAM | 8GB (expandable to 20GB virtual) |
| Internal Storage | 512 GB UFS2.2 |
| Expandable Storage | Up to 2TB via MicroSD card |
| Battery Capacity | 8580mAh |
| Charging | 18W Fast Charging, Reverse Charging (OTG) |
| Wireless Type | 802.11ac (2.4Ghz/5Ghz Wi-Fi) |
| Bluetooth | Bluetooth 5.0 |
| Cellular Connectivity | Dual SIM 4G LTE (TD-LTE, FDD-LTE) |
| Front Camera | 8MP |
| Main Camera | 16MP |
| Dimensions (LxWxH) | 10.09 x 6.61 x 0.3 inches |
| Item Weight | 2.48 pounds (approx. 539g) |
| Color | Blue |
9. Warranty and Support
9.1 Warranty Information
The DOOGEE T40 Tablet comes with a 2-year warranty. Please retain your proof of purchase for warranty claims.
9.2 Technical Support
For technical assistance, troubleshooting, or any questions regarding your DOOGEE T40 Tablet, please contact DOOGEE customer service. Lifetime technical support and full 24/7 customer service are provided.
You can find more information and support resources on the official DOOGEE website: DOOGEE Store





