VEVSHAO A12
VEVSHAO A12 Mini Projector User Manual
Model: A12
Introduction
The VEVSHAO A12 Mini Projector is a compact and versatile home theater device featuring Android 11.0, 1080P Full HD support, automatic vertical trapezoid correction, and wireless connectivity. Its 360° swivel design allows for flexible projection angles, including ceiling projection. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your projector.
Safety Information
- Do not block ventilation openings. Ensure adequate airflow around the projector to prevent overheating.
- Use only the power adapter provided with the projector.
- Avoid direct eye exposure to the projector lens when the lamp is on.
- Keep the projector away from water or other liquids.
- Do not attempt to disassemble or repair the projector yourself. Refer to qualified service personnel.
- Place the projector on a stable, level surface.
Product Overview

Figure 1: Front view of the VEVSHAO A12 Mini Projector, showcasing the lens and speaker grille.

Figure 2: The VEVSHAO A12 Mini Projector placed on a cabinet in a home environment, demonstrating its compact size and aesthetic integration.
Components and Ports
- Projection Lens: Main optical component for image projection.
- Ventilation Grilles: Located on the sides for heat dissipation.
- Power Button: For turning the projector on/off.
- USB 2.0 Ports (x2): For connecting USB drives, mouse, or keyboard.
- HD 2.0 Ports (x2): For connecting external devices (e.g., laptops, gaming consoles) supporting up to 4K video input.
- DC 19V/6.4A Port: For power input using the PD Adapter.
- Integrated Speaker: 5W speaker for audio output.
- Adjustable Stand: Allows for 360° rotation and flexible positioning.
Setup Guide
1. Power Connection
- Connect the provided power adapter to the DC 19V/6.4A port on the projector.
- Plug the power adapter into a wall outlet.
- Press the power button to turn on the projector.
2. Initial Placement and Adjustment
The VEVSHAO A12 features a 360° swivel design, allowing projection onto walls, ceilings, or any desired surface.

Figure 3: The projector displaying an image on the ceiling, demonstrating its 360° flexible angle for versatile viewing.
3. Auto Focus and Keystone Correction
The projector is equipped with automatic focus and vertical keystone correction. When the projector is moved, it will automatically adjust the image clarity and shape within 1-3 seconds.

Figure 4: Visual representation of the automatic electric focus and keystone correction features, ensuring a clear and rectangular image.
Manual horizontal trapezoid correction is also available if needed.
4. Network Connection (Wi-Fi)
To access online content and features, connect the projector to a Wi-Fi network:
- Navigate to the settings menu on the projector's interface.
- Select "Network" or "Wi-Fi" settings.
- Choose your desired Wi-Fi network from the list.
- Enter the password if prompted and confirm the connection.
Operating Instructions
1. Android 11.0 Interface
The projector runs on Android 11.0, providing a smart TV-like experience. You can navigate the interface using the remote control or by connecting a USB mouse/keyboard.

Figure 5: The Android 11.0 user interface displayed on the projector, showing various pre-installed applications and input options.
2. Pre-installed Applications
The projector comes with several applications pre-installed, including Netflix, YouTube, Prime Video, UniTVnet, and Hulu. You can access more applications via the Play Store.
3. Wireless Screen Mirroring
The projector supports wireless screen mirroring via Airplay (for iOS devices) and Miracast (for Android devices).
- Ensure both your device and the projector are connected to the same Wi-Fi network.
- Select the appropriate mirroring option (Airplay or Miracast) from the projector's menu.
- On your smartphone or tablet, enable screen mirroring/casting and select the projector from the list of available devices.
4. Projection Settings
- Projection Methods: Supports front projection, rear projection, and suspended projection. Adjust this setting based on your setup.
- Electronic Zoom: The projector supports electronic zoom to adjust the image size without moving the projector.
Maintenance
- Cleaning the Lens: Use a soft, lint-free cloth specifically designed for optical lenses. Do not use abrasive cleaners.
- Cleaning the Exterior: Wipe the projector's exterior with a soft, dry cloth. For stubborn marks, a slightly damp cloth can be used, followed by a dry wipe.
- Ventilation: Regularly check that the ventilation openings are clear of dust and debris to ensure proper airflow and prevent overheating.
- Storage: When not in use for extended periods, store the projector in a cool, dry place, protected from dust.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image projected | Power cable disconnected; Projector off; Input source not selected. | Ensure power cable is securely connected; Turn on the projector; Select the correct input source (HD, USB). |
| Image is blurry | Projector moved; Auto-focus not triggered; Manual focus needed. | Slightly move the projector to trigger auto-focus; If still blurry, check for manual focus options. |
| Image is distorted (trapezoid) | Projector not perpendicular to screen; Auto-keystone not triggered. | Slightly move the projector to trigger auto-vertical keystone; Adjust manual horizontal keystone if necessary. |
| No sound | Volume too low; Muted; External audio device not connected properly. | Increase volume; Unmute; Ensure external audio devices are correctly connected or disconnect them to use internal speaker. |
| Wi-Fi connection issues | Incorrect password; Router too far; Network interference. | Re-enter Wi-Fi password; Move projector closer to router; Restart router and projector. |
Specifications

Figure 6: An illustration highlighting the projector's capability to support 4K video decoding, with an output resolution of up to 1280*720p.
| Feature | Description |
|---|---|
| Display Type | 2.69 Inch LCD Screen |
| Standard Resolution | 1280*720P, Support 4K input |
| Brightness | 350 ANSI Lumens |
| Bulb Life | LED 50,000 Hours Life |
| Contrast Ratio | 2000:1 |
| Projection Rate | 1.28:1 |
| Projection Distance | 0.8-4m |
| Projection Range | 30-200 inches |
| Aspect Ratio | 16:9 / 4:3 |
| Electronic Zoom | Supported |
| Trapezoidal Correction | Automatic Vertical, Manual Horizontal |
| Projection Methods | Front, Rear, Suspended |
| Focus Mode | Auto Focus |
| Integrated Speaker | 5W |
| CPU | H713 ARM Cortex-A53 |
| Cache (RAM) | 1G DDR3 |
| Storage (ROM) | 8GB eMMC |
| Operating System | Android 11.0 |
| Bluetooth | BT5.2 (Note: Cannot be used as a Bluetooth speaker, cannot pair with phone) |
| Wi-Fi | 2.4G + 5G Dual-band |
| Wi-Fi Display | Airplay, Miracast |
| Pre-installed Apps | Netflix, YouTube, Prime Video, UniTVnet, Hulu |
| Supported Video Formats | VP9-10, H.265, H.264, MPEG-4, WMV/VC-1, MPEG-2, MPEG-1, RealVideo 8/9/10 etc. |
| Supported Audio Formats | MP3, WMA, MP2, OXL, AAC, M4A, MA4, FLAC, APE, 3GP, WAV |
| Supported Photo Formats | JPG, PNG, BMP |
| Input Interface | 2x USB 2.0, 2x HD 2.0, DC 19V/6.4A |
| Dimensions | 19 x 12 x 16 cm (approx.) |
| Weight | 1.05 kg (approx.) |
Warranty and Support
The VEVSHAO A12 Mini Projector comes with a 1-year warranty. The package includes the Projector, Remote Control, Power Adapter, and User Manual.
For any questions or support needs, please contact VEVSHAO customer service via email. They are committed to providing solutions for any issues you may encounter.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.