1. Introduction
This manual provides essential instructions for the proper use and maintenance of your ALLDOCUBE iPlay 40 10.4-inch LTE Dual SIM Tablet. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity. Keep this manual for future reference.
2. Package Contents
Verify that all items are present in your product package:
- ALLDOCUBE iPlay 40 Tablet
- USB Type-C Cable
- Power Adapter
- SIM Eject Tool
- Quick Start Guide
- Warranty Card
If any items are missing or damaged, please contact your retailer or ALLDOCUBE customer support.
3. Device Layout
Familiarize yourself with the physical features and components of your ALLDOCUBE iPlay 40 tablet.

Image: Front and rear view of the ALLDOCUBE iPlay 40 tablet. The front displays the screen with a colorful wallpaper. The rear shows the camera module in the top left corner and the ALLDOCUBE iPlay 40 branding along with regulatory information at the bottom.
Front View:
- 10.4-inch Display: Main interface for interaction.
- Front Camera: Located at the top bezel, used for video calls and selfies.
Rear View:
- Rear Camera: Located in the top-left corner, used for capturing photos and videos.
- ALLDOCUBE Branding: Manufacturer's logo and model name.
Side Views (Typical Locations):
- Power Button: To turn the device on/off or wake/sleep the screen.
- Volume Buttons: To adjust audio volume.
- USB Type-C Port: For charging and data transfer.
- SIM/MicroSD Card Tray: For inserting SIM cards and expandable storage.
- Speakers: For audio output.
- Microphone: For audio input.
4. Setup
4.1 Charging the Battery
- Connect the USB Type-C cable to the tablet's USB port.
- Connect the other end of the cable to the power adapter.
- Plug the power adapter into a wall outlet.
- Allow the tablet to charge fully before first use. The battery icon on the screen will indicate charging status.
4.2 Inserting SIM and MicroSD Cards
The ALLDOCUBE iPlay 40 supports Dual SIM functionality and expandable storage via a microSD card.
- Locate the SIM/microSD card tray on the side of the tablet.
- Insert the SIM eject tool into the small hole next to the tray to open it.
- Carefully place your Nano-SIM cards (up to two) and/or a microSD card into the designated slots on the tray. Ensure the metal contacts face downwards.
- Gently push the tray back into the tablet until it clicks into place.
4.3 Initial Power On and Setup
- Press and hold the Power button until the ALLDOCUBE logo appears on the screen.
- Follow the on-screen instructions to complete the initial setup, which includes selecting your language, connecting to a Wi-Fi network, setting up your Google account, and configuring security options.
5. Operating Instructions
5.1 Basic Navigation
- Tap: To select an item or open an application.
- Tap and Hold: To access contextual menus or move icons.
- Swipe: To scroll through screens, lists, or content.
- Pinch: To zoom in or out on images and web pages.
5.2 Connecting to Wi-Fi
- Go to Settings > Network & internet > Wi-Fi.
- Toggle the Wi-Fi switch to On.
- Select your desired Wi-Fi network from the list.
- Enter the password if prompted, then tap Connect.
5.3 Using Mobile Data (4G LTE)
If you have inserted a SIM card with an active data plan:
- Go to Settings > Network & internet > Mobile network.
- Ensure Mobile data is toggled On.
- You may need to configure APN settings if mobile data does not work automatically. Refer to your mobile carrier for specific APN details.
5.4 Camera Usage
- Open the Camera application.
- Tap the shutter button to take a photo.
- Tap the video icon to switch to video recording mode.
- Use the front/rear camera switch icon to change cameras.
5.5 App Management
- Install Apps: Download and install applications from the Google Play Store.
- Uninstall Apps: Tap and hold an app icon on the home screen or app drawer, then drag it to the 'Uninstall' option, or go to Settings > Apps & notifications, select the app, and tap Uninstall.
6. Maintenance
6.1 Cleaning the Device
- Use a soft, lint-free cloth to clean the screen and body of the tablet.
- Avoid using harsh chemicals, abrasive cleaners, or aerosol sprays.
- For stubborn smudges, slightly dampen the cloth with water or a screen-specific cleaning solution.
6.2 Software Updates
Regularly check for and install software updates to ensure your device has the latest features, security patches, and performance improvements.
- Go to Settings > System > System update.
- Follow the on-screen instructions to check for and install any available updates.
6.3 Battery Care
- Avoid exposing the tablet to extreme temperatures.
- Do not allow the battery to fully discharge frequently.
- Use only the original charger and cable provided with the device.
7. Troubleshooting
7.1 Device Will Not Turn On
- Ensure the battery is sufficiently charged. Connect the tablet to the charger for at least 30 minutes.
- Press and hold the Power button for 10-15 seconds to perform a forced restart.
7.2 Screen is Unresponsive
- Restart the tablet by holding the Power button.
- Ensure the screen is clean and free from moisture or debris.
7.3 Network Connection Issues
- Wi-Fi: Restart your Wi-Fi router. Forget the network on your tablet and reconnect.
- Mobile Data: Ensure mobile data is enabled in settings. Check your SIM card insertion and data plan status. Restart the tablet.
7.4 Apps Crashing or Freezing
- Close and reopen the app.
- Clear the app's cache and data via Settings > Apps & notifications > [App Name] > Storage & cache.
- Uninstall and reinstall the app.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | ALLDOCUBE |
| Model | iPlay 40 (T1020S) |
| Screen Size | 10.4 Inches |
| Operating System | Android 6.0 Marshmallow |
| Installed RAM | 8 GB |
| Internal Storage | 128 GB |
| Cellular Technology | 4G |
| Hardware Interface | USB |
| Camera Features | Front, Rear |
9. Warranty and Support
For detailed warranty information, please refer to the warranty card included in your package or visit the official ALLDOCUBE website. Technical support and customer service contact details can also be found on the official website.
Please retain your proof of purchase for warranty claims.





