NEC LAVIE T0855
NEC LAVIE T0855/CAS 8-inch Android Tablet User Manual
Model: LAVIE T0855
1. Introduction
This manual provides essential information for the safe and efficient use of your NEC LAVIE T0855/CAS 8-inch Android Tablet. Please read this manual thoroughly before using the device and keep it for future reference.
2. Safety Information
- Do not expose the tablet to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the tablet to strong impacts.
- Use only approved chargers and accessories to prevent damage and ensure safety.
- Keep the tablet away from water and other liquids.
- Do not attempt to disassemble or repair the tablet yourself. Contact qualified service personnel.
- Observe all local regulations regarding the use of electronic devices, especially in restricted areas like aircraft or hospitals.
3. Package Contents
Verify that all items are present in the package:
- NEC LAVIE T0855/CAS 8-inch Android Tablet
- AC Adapter
- USB Cable
- Quick Start Guide (or similar documentation)
Note: Specific contents may vary by region or retailer.
4. Device Layout
Familiarize yourself with the physical features of your tablet.

Figure 4.1: Front view of the NEC LAVIE T0855/CAS tablet. This image shows the tablet's display and general form factor.
Key Components:
- Front Camera: Located at the top center of the display when held vertically. Used for video calls and selfies.
- Power Button: Typically on the side or top edge. Press and hold to power on/off or restart.
- Volume Buttons: Usually adjacent to the power button. Used to adjust audio volume.
- USB-C Port: Located on the bottom edge. Used for charging and data transfer.
- Speaker: Positioned on the sides or bottom for audio output.
- Microphone: Small opening for audio input during calls or recordings.
- Display: 8-inch IPS LCD touchscreen.
5. Setup
5.1. Charging the Battery
- Connect the USB cable to the tablet's USB-C port.
- Connect the other end of the USB cable to the AC adapter.
- Plug the AC adapter into a power outlet.
- The battery indicator on the screen will show charging status. Allow the tablet to charge fully before first use.
5.2. Powering On/Off
- To Power On: Press and hold the Power button until the NEC logo appears.
- To Power Off: Press and hold the Power button until the power options menu appears, then select "Power off".
5.3. Initial Setup Wizard
Upon first power-on, the tablet will guide you through an initial setup process:
- Select your preferred language.
- Connect to a Wi-Fi network. This is essential for downloading updates and setting up your Google account.
- Sign in with your Google account or create a new one. This is required to access the Google Play Store and other Google services.
- Follow the on-screen prompts to set up date and time, screen lock, and other preferences.
6. Operating Instructions
6.1. Basic Navigation
- Touch: Tap an icon or option to select it.
- Touch and Hold: Press and hold an item to access additional options or move it.
- Swipe: Drag your finger across the screen to scroll or navigate between screens.
- Pinch: Use two fingers to zoom in or out on images and web pages.
6.2. Home Screen
The home screen is your central hub for accessing apps, widgets, and notifications. You can customize it by adding app shortcuts and widgets.
6.3. Notifications and Quick Settings
Swipe down from the top of the screen to access notifications and quick settings toggles (e.g., Wi-Fi, Bluetooth, brightness).
6.4. Installing Applications
Applications can be downloaded from the Google Play Store:
- Open the Play Store app.
- Search for the desired application.
- Tap Install and follow the on-screen instructions.
6.5. 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.
7. Maintenance
7.1. Cleaning the Tablet
- Use a soft, lint-free cloth to clean the screen and body.
- Do not use harsh chemicals, abrasive cleaners, or aerosol sprays.
- Lightly dampen the cloth with water if necessary, but avoid getting moisture into openings.
7.2. Software Updates
Regularly check for and install software updates to ensure optimal performance and security:
- Go to Settings > System > System update.
- Follow the on-screen instructions to check for and install available updates.
7.3. Battery Care
- Avoid fully discharging the battery frequently.
- Do not leave the tablet connected to the charger for extended periods after it's fully charged.
- Store the tablet in a cool, dry place if not used for a long time, with the battery charged to around 50%.
8. Troubleshooting
| Problem | Solution |
|---|---|
| Tablet does not power on. | Ensure the battery is charged. Connect the charger and wait a few minutes before attempting to power on again. |
| Cannot connect to Wi-Fi. | Check if Wi-Fi is enabled in settings. Verify the Wi-Fi password. Restart your router and the tablet. |
| Tablet is running slow. | Close unused applications. Clear cache for frequently used apps. Restart the tablet. Check for system updates. |
| Screen is unresponsive. | Restart the tablet by holding the Power button for about 10 seconds until it reboots. |
| Battery drains quickly. | Reduce screen brightness. Close background apps. Disable unused features like Bluetooth or GPS. Check battery usage in settings to identify power-hungry apps. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | NEC |
| Model Name | LAVIE T0855 |
| Memory Storage Capacity | 32 GB |
| Internal Memory (RAM) | 3 GB |
| Screen Size | 8 inches |
| Display Type | IPS LCD |
| Display Max Resolution | 1280x800 pixels |
| Aspect Ratio | 16:10 |
| Operating System | Android 11 |
| Processor Type | Intel Core i5 8th Generation (Note: This specification may refer to a different product variant or be an error in the source data, as Android tablets typically use ARM processors.) |
| CPU Manufacturer | Intel |
| Product Dimensions (L x W x T) | 19.9 cm x 12.2 cm x 0.8 cm |
| Touchscreen | Yes (10-point multi-touch panel) |
| Wireless Connectivity | Wi-Fi (802.11g standard) |
| Mobile Phone Technology | 5G (Note: This model is specified as Wi-Fi only. This feature might be present in other variants or an error in the source data.) |
| Front Camera | Yes |
10. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official NEC support website. If you encounter issues that cannot be resolved using the troubleshooting guide, please contact NEC customer support for assistance.
NEC Official Support: https://www.nec.com/en/global/support/