1. Introduction
This manual provides detailed instructions for the safe and efficient operation of your VEGOOS YG551 Smart Portable Projector. Please read this manual thoroughly before using the product and retain it for future reference.
Safety Information
- Do not look directly into the projector lens when the lamp is on.
- Ensure proper ventilation to prevent overheating.
- Keep the projector away from water or other liquids.
- Use only the power adapter provided by the manufacturer.
- Do not attempt to disassemble or repair the projector yourself. Contact qualified service personnel.
2. Package Contents
Verify that all items listed below are included in your package:
- 1 x VEGOOS YG551 Native 1080P Projector
- 1 x AV Cable
- 1 x HDMI Cable
- 1 x Remote Control
- 1 x User Manual
- 1 x Power Adapter

Image: The VEGOOS YG551 Smart Portable Projector, showing its compact design and lens.
3. Product Overview
The VEGOOS YG551 projector features a compact design with various ports for connectivity and control buttons on the top panel. The main lens is located at the front, with ventilation grilles on the sides.
Key Features:
- Native 1080P Full HD Resolution (1920x1080)
- 900 ANSI Lumens Brightness
- Android 12 Operating System
- 2.4G/5G WiFi 6 Connectivity
- Bluetooth 5.1 for external audio devices
- Built-in Dolby Audio Stereo Speakers (2x8W)
- Automatic Focus and Keystone Correction
- Adjustable Projection Size from 43 to 220 inches
- Multiple Input Ports: HDMI, USB, TF Card, 3.5mm Audio Jack

Image: A visual comparison demonstrating the superior image quality of the VEGOOS YG551 projector, highlighting 900 ANSI lumens and 4K support.
4. Setup
4.1 Placement and Installation
Position the projector on a stable, flat surface. Ensure there are no obstructions in front of the lens or around the ventilation openings. The projection distance determines the screen size.

Image: This diagram illustrates the flexible projection sizes, ranging from 43 inches to 220 inches, achievable by adjusting the projector's distance from the screen.
The projector supports various installation methods:
- Table Placement: Place the projector on a flat surface in front of the screen.
- Tripod Installation: Mount the projector onto a compatible tripod using the threaded hole on its base.
- Ceiling Mount: Securely mount the projector to the ceiling using a compatible projector mount (sold separately).

Image: Visual guide demonstrating various installation methods for the projector, including ceiling mounting, table placement, and tripod setup.
4.2 Power Connection
- Connect the power adapter to the projector's power input port.
- Plug the power adapter into a suitable electrical outlet.
4.3 Initial Power On
- Press the power button on the projector or the remote control to turn on the device.
- The projector will automatically perform focus and keystone correction.

Image: This graphic demonstrates the projector's automatic screen assistant features, including auto-focus, auto keystone correction, auto screen alignment, and auto obstacle avoidance for optimal image display.
5. Operating Instructions
5.1 Navigation and Android 12 System
The projector runs on Android 12, providing a smart interface. Use the remote control to navigate through menus, select applications, and adjust settings. The home screen provides access to installed apps and system settings.
5.2 Connectivity
- WiFi 6: Connect to your wireless network for internet access and streaming. Navigate to Settings > Network > Wi-Fi and select your network.
- Bluetooth 5.1: Pair with external Bluetooth speakers, headphones, or soundbars for enhanced audio. Go to Settings > Bluetooth and enable pairing.
- HDMI: Connect external devices such as TV sticks, gaming consoles (PS5), laptops, or DVD players using the provided HDMI cable. Select the HDMI input source from the projector's input menu.
- USB/TF Card: Insert a USB flash drive or TF memory card into the respective ports to play media files directly.
- 3.5mm Audio Jack: Connect wired headphones or external speakers.

Image: This image highlights the projector's WiFi 6 capabilities for faster wireless connection and Bluetooth for connecting external devices.
5.3 Audio
The projector features built-in 2x8W stereo speakers with Dolby Audio support for an immersive sound experience. You can also connect external audio systems via Bluetooth or the 3.5mm audio jack.

Image: This graphic emphasizes the projector's dual immersive audio system, featuring Dolby Audio and powerful 2x8W built-in speakers.
5.4 Image Adjustment
- Auto Focus: The projector automatically adjusts focus for a clear image.
- Auto Keystone Correction: Automatically corrects trapezoidal distortion for a rectangular image.
- Digital Zoom: Adjust the image size from 50% to 100% without moving the projector. Access this feature in the display settings.

Image: A visual representation of the projector's auto-focus and keystone correction actively adjusting the projected image for clarity and proper geometry.
5.5 Smart Features and Applications
Leverage the Android 12 operating system to access various pre-installed applications and download more from the app store. This includes popular streaming services and media players.

Image: The projector interface displaying logos of popular streaming applications, indicating its smart functionality and access to various content platforms.
6. Maintenance
6.1 Cleaning the Lens
Use a soft, lint-free cloth specifically designed for optical lenses to gently wipe the projector lens. Avoid using abrasive cleaners or excessive force, as this can scratch the lens.
6.2 Cleaning the Projector Body
Wipe the exterior of the projector with a soft, dry cloth. For stubborn stains, slightly dampen the cloth with water and then wipe dry. Do not use chemical cleaners.
6.3 Storage
When not in use for extended periods, store the projector in a cool, dry place, away from direct sunlight and excessive dust. Use the original packaging or a protective case if available.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image displayed. | Power cable disconnected, incorrect input source, lens cap on. | Check power connection, select correct input source (HDMI, USB), remove lens cap. |
| Image is blurry. | Out of focus, projector moved. | Allow auto-focus to adjust. If manual focus is available, adjust it. Ensure projector is stable. |
| Image is distorted (trapezoid shape). | Projector not perpendicular to screen. | Allow auto keystone correction to adjust. Adjust projector position if necessary. |
| No sound. | Volume too low, external audio device not connected/paired, incorrect audio output selected. | Increase volume, check Bluetooth connection or 3.5mm cable, select correct audio output in settings. |
| Streaming apps (e.g., Disney+) not working or slow. | Network issues, app compatibility, outdated app version, limited system resources. | Check Wi-Fi connection strength. Update apps from the app store. Consider connecting an external streaming device (e.g., TV Stick, Roku) for better performance and app compatibility if issues persist. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | VEGOOS |
| Model | YG551 |
| Native Resolution | 1920 x 1080 (1080P Full HD) |
| Brightness | 900 ANSI Lumens |
| Display Technology | LED |
| Aspect Ratio | 16:9 |
| Operating System | Android 12 |
| Wireless Connectivity | 2.4G/5G WiFi 6, Bluetooth 5.1 |
| Audio | Built-in 2x8W Stereo Speakers, Dolby Audio Support |
| Projection Size | 43 to 220 inches |
| Input Interfaces | HDMI, USB, TF Card, 3.5mm Audio Jack |
| Special Features | Automatic Focus, Automatic Keystone Correction, Digital Zoom |
| Compatible Devices | Laptops, Smartphones, Gaming Consoles (PS5), TV Sticks |
| Dimensions (Package) | 39.2 x 30.2 x 13 cm |
| Weight (Package) | 2.9 kg |
9. Warranty and Support
9.1 Warranty Information
Please refer to your purchase documentation or the product packaging for specific warranty terms and conditions. The manufacturer provides support for product defects and operational issues.
9.2 Customer Support
If you encounter any problems during use, please contact VEGOOS customer support. Contact information can typically be found on the product packaging, the official VEGOOS website, or through your retailer.
When contacting support, please provide your product model (YG551) and a detailed description of the issue.





