Lenovo TB-8505X
Lenovo Tab M8 HD 2ND GEN (TB-8505X) User Manual
Model: TB-8505X | Brand: Lenovo
Introduction
This user manual provides comprehensive instructions for the safe and efficient operation of your Lenovo Tab M8 HD 2ND GEN (TB-8505X) tablet. Please read this manual thoroughly before using your device to ensure proper setup, usage, and maintenance. Keep this manual for future reference.

Image: The Lenovo Tab M8 HD 2ND GEN tablet showcasing its user interface with common application icons.
Safety Information
To prevent injury, property damage, or damage to your device, read all safety information before using the product. This section contains important information regarding safe handling and disposal.
- Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the device to severe impact.
- Use only Lenovo-approved chargers and accessories.
- Do not attempt to disassemble, repair, or modify the device yourself. Refer all servicing to authorized personnel.
- Dispose of the device and its battery according to local environmental regulations.
Package Contents
Verify that all items are present in the product packaging:
- Lenovo Tab M8 HD 2ND GEN Tablet
- Travel Adapter
- USB Cable
- Quick-Start Guide
- Warranty Card
Product Overview
Familiarize yourself with the physical components of your Lenovo Tab M8 HD 2ND GEN tablet.

Image: Side profile of the tablet, highlighting the power button and volume control buttons.
Physical Components:
- Front Camera: Located above the screen, used for video calls and selfies.
- Display: 8-inch HD IPS touchscreen.
- Power Button: Located on the side, used to turn the device on/off or wake/sleep the screen.
- Volume Buttons: Located on the side, used to adjust audio volume.
- USB Port: For charging and data transfer.
- Headphone Jack: For connecting wired headphones.
- MicroSD Card Slot: For expanding storage.
- Rear Camera: Located on the back, used for taking photos and videos.
- Speaker: Provides audio output, enhanced with Dolby Audio.

Image: Close-up of the tablet's rear camera and adjacent side buttons.
Setup
1. Charging the Battery:
Before first use, fully charge the tablet. Connect the USB cable to the tablet's USB port and the travel adapter, then plug the adapter into a power outlet. The charging indicator will illuminate.
2. Powering On/Off:
- To Power On: Press and hold the Power button until the Lenovo logo appears.
- To Power Off: Press and hold the Power button, then select "Power off" from the options that appear on the screen.
3. Initial Setup Wizard:
Upon first power-on, the tablet will guide you through an initial setup process. This includes selecting your language, connecting to a Wi-Fi network, setting up your Google account, and configuring basic settings.
Operating
Navigation:
- Touch Gestures: Tap, swipe, pinch-to-zoom are standard Android gestures.
- Home Screen: The central hub for your apps and widgets.
- Notification Panel: Swipe down from the top of the screen to access notifications and quick settings.
- App Drawer: Swipe up from the bottom of the screen to view all installed applications.

Image: The tablet screen showing an interactive educational application, suitable for children.
Connecting to Wi-Fi:
- Go to Settings > Network & internet > Wi-Fi.
- Toggle Wi-Fi On.
- Select your desired network from the list and enter the password if prompted.
Using the Cameras:
Open the Camera app from the home screen or app drawer. You can switch between the front and rear cameras, select photo or video mode, and adjust settings like flash and timer.

Image: Detailed view of the tablet's rear camera module and the Lenovo logo on the back casing.
Maintenance
Cleaning the Device:
Use a soft, lint-free cloth to clean the screen and body of the tablet. Do not use abrasive cleaners or solvents. For stubborn smudges, slightly dampen the cloth with water.
Software Updates:
Regularly check for system updates to ensure optimal performance and security. Go to Settings > System > System update to check for and install available updates.
Battery Care:
- Avoid fully discharging the battery frequently.
- Do not leave the tablet connected to the charger for extended periods after it is fully charged.
- Store the tablet in a cool, dry place if not used for a long time.
Troubleshooting
| Problem | Solution |
|---|---|
| Device does not power on. | Ensure the battery is charged. Connect the charger and wait a few minutes before attempting to power on again. If unresponsive, press and hold the Power button for 10-15 seconds to force a restart. |
| Screen is unresponsive. | Restart the device. If the issue persists, perform a factory reset (data will be lost). |
| Cannot connect to Wi-Fi. | Ensure Wi-Fi is enabled. Restart your router and the tablet. Verify the Wi-Fi password. |
| Apps are crashing or running slowly. | Close background apps. Clear app cache (Settings > Apps > [App Name] > Storage > Clear cache). Restart the tablet. Ensure sufficient storage space. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Lenovo Tab M8 HD 2ND GEN (TB-8505X) |
| Display | 8-inch HD (1280 x 800) IPS Touchscreen |
| Processor | MediaTek Helio A22 Quad-Core (2.3 GHz) |
| RAM | 2GB |
| Storage | 32GB eMMC |
| Operating System | Android 9 Pie |
| Cameras | Rear: 5 MP, Front: 2 MP |
| Connectivity | Wi-Fi (802.11a/b/g/n/ac), 4G LTE (TB-8505X model) |
| Audio | Dolby Audio-tuned speaker |
| Battery Life | Up to 18 hours (web browsing) |
| Dimensions | 19.91 x 12.18 x 0.81 cm |
| Weight | 305 g |
Warranty and Support
Warranty Information:
Your Lenovo Tab M8 HD 2ND GEN comes with a standard manufacturer's warranty. Please refer to the included Warranty Card for specific terms, conditions, and duration of coverage in your region. Keep your proof of purchase for warranty claims.
Customer Support:
For technical assistance, troubleshooting beyond this manual, or warranty service, please contact Lenovo customer support. Visit the official Lenovo support website for contact details, FAQs, and driver downloads. You can typically find support information at support.lenovo.com.