Introduction
This instruction manual provides comprehensive guidance for the setup, operation, maintenance, and troubleshooting of your SOTEFE Mini LED Projector. Please read this manual thoroughly before using the product to ensure proper functionality and to maximize your viewing experience. Keep this manual for future reference.
Product Overview

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The SOTEFE Mini LED Projector utilizes LCD projection technology with a long-life LED light source, offering a bright and clear display. It supports 1080P Full HD resolution and features multiple connectivity options for various devices. Its compact design makes it suitable for home theater, office presentations, and entertainment purposes.
- Display Technology: 4 inch LCD TFT display
- Native Resolution: 800*480P, supports 576P/720P/1080P
- Brightness: 4000 Lumens
- Contrast Ratio: 1,500:1
- Lamp Life: 55,000 hours
- Connectivity: HDMI, VGA, USB, SD, AV, AUDIO OUT, Wi-Fi
Setup
1. Unpacking
Carefully remove all components from the packaging. Verify that all items listed below are present:
- 1 x SOTEFE Mini Projector
- 1 x UK/EU/US Plug (Power Adapter)
- 1 x 3-in-1 AV Cable
- 1 x HDMI Cable
- 1 x Remote Control
- 1 x User Manual (this document)
2. Physical Placement
Place the projector on a stable, flat surface. Ensure there is adequate ventilation around the unit to prevent overheating. Position the projector at an appropriate distance from the projection surface (screen or wall) to achieve the desired image size. The recommended projection distance ranges from 1.5 to 5.2 meters for image sizes between 26 and 126 inches.
3. Power Connection
Connect the provided power adapter to the projector's power input port, then plug the adapter into a standard electrical outlet (110-240V/50-60Hz).
4. Initial Device Connection
The projector supports various input sources. Select the appropriate cable for your device and connect it to the corresponding port on the projector:
- HDMI: For connecting PCs, laptops, gaming consoles (PS4, Xbox), DVD players, and other HDMI-enabled devices. Use the included HDMI cable.
- VGA: For connecting older PCs or laptops.
- USB: For connecting USB flash drives or external hard drives to play multimedia content directly.
- SD Card: For playing multimedia content directly from an SD card.
- AV: For connecting devices using the 3-in-1 AV cable (e.g., older DVD players, VCRs).
- AUDIO OUT: For connecting external speakers or headphones.
5. Wireless Connection (Wi-Fi)
The projector supports Wi-Fi connectivity for screen mirroring from compatible smartphones and tablets.
Connecting with iPhone (Wi-Fi)
- Ensure your iPhone and the projector are connected to the same Wi-Fi network.
- On the projector, select the Wi-Fi input source.
- Follow the on-screen instructions to connect your iPhone via screen mirroring (e.g., AirPlay).
Connecting with Android Device
For Android devices, an additional Micro USB to HDMI MHL adapter may be required for a wired connection, depending on your device's capabilities. For wireless mirroring, ensure your Android device supports screen casting and follow the projector's on-screen instructions for Wi-Fi connection.
Connecting with Mac Book Air/Pro
For Mac Book Air, a Mini Display Port to HDMI adapter is required. For Mac Book and Mac Book Pro, an additional USB Cable may be needed for certain functionalities. Wireless mirroring via Wi-Fi (AirPlay) is also an option if supported by your Mac and the projector's Wi-Fi capabilities.
Operating Instructions
1. Powering On/Off
Press the power button on the projector or the remote control to turn the unit on or off. Allow a few seconds for the projector to warm up or cool down.
2. Adjusting Image Focus and Keystone
- Focus: Rotate the focus ring on the projector lens until the projected image is sharp and clear.
- Keystone Correction: The projector features an up and down vertical +15° correction function. Use the keystone adjustment on the projector or remote control to correct trapezoidal distortion, ensuring a rectangular image even if the projector is not perfectly perpendicular to the screen.
3. Source Selection
Use the "Source" button on the projector or remote control to cycle through available input sources (HDMI, VGA, USB, SD, AV, Wi-Fi) until your desired input is displayed.
4. Menu Navigation
Use the menu button and arrow keys on the projector or remote control to access and navigate the on-screen display (OSD) menu. Here you can adjust settings such as picture mode, aspect ratio (16:9 & 4:3), sound, and language (23 languages supported including Eng/Fre/Spa/Port/Ara/Chin).
5. Audio Output
The projector has built-in high-quality stereo speakers. For enhanced audio, connect external speakers or headphones to the AUDIO OUT port.
Maintenance
1. Cleaning the Lens
Use a soft, lint-free cloth specifically designed for optical lenses to gently wipe the projector lens. Do not use abrasive cleaners or excessive force, as this can scratch the lens.
2. Cleaning the Projector Body
Wipe the exterior of the projector with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, but ensure no liquid enters the device. Do not use chemical solvents.
3. Lamp Life
The LED lamp in your SOTEFE projector has an estimated life of 55,000 hours. This means the lamp is designed to last for the entire lifespan of the projector under normal usage conditions, and typically does not require replacement.
4. Storage
When not in use for extended periods, store the projector in a cool, dry place, away from direct sunlight and extreme temperatures. It is advisable to cover the projector to protect it from dust.
Troubleshooting
If you encounter issues with your projector, refer to the following common problems and solutions. For more detailed troubleshooting, please consult the full user manual or contact customer support.
| Problem | Possible Cause / Solution |
|---|---|
| No Image Displayed |
|
| Blurry Image |
|
| No Sound |
|
| Remote Control Not Working |
|
Specifications
| Feature | Detail |
|---|---|
| Projector System | 4 inch LCD TFT display |
| Native Resolution | 800*480P, support 576P/720P/1080P |
| Brightness | 4000 Lumens |
| Contrast Ratio | 1,500:1 |
| Image Flip | 360 degree flip |
| Lens | 3 pieces of glass lenses, manual focus |
| Aspect Ratio | 16:9 & 4:3 |
| Language Support | Eng/Fre/Spa/Port/Ara/Chin, total 23 languages |
| Lamp Type | LED 24W |
| Lamp Life | 55,000 hours |
| Picture Size | 26-126 inch (1.5-5.2m projection distance) |
| Noise Level | <25 dB |
| Working Voltage | 110-240V/50-60Hz |
| Interface Input | HDMI / VGA / USB / SD / AV / AUDIO OUT |
| Optional Function | ATV / any cast / Android |
| Machine Size | 20 x 14 x 8 cm (7.87 x 5.51 x 3.15 inches) |
| Item Weight | ~1.76 pounds (~0.8 kg) |
| Special Features | Built-in Wi-Fi, Portable, Wireless |
| Connectivity Technology | HDMI, USB, Wi-Fi |
| Form Factor | Portable |
Warranty and Support
1. Product Warranty
The SOTEFE Mini LED Projector comes with a one-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product's quality and performance under normal use. Please retain your proof of purchase for warranty claims.
2. Customer Service
For any questions, technical assistance, or issues encountered during the use of your projector, please do not hesitate to contact SOTEFE Customer Service. You can typically find contact information (e.g., email, support portal) on the product packaging or the official SOTEFE website. Our customer service department is available to provide detailed operational guidance and support.
Important Notes
Eye Protection: The projector uses LED passively reflected light, which is softer on the eyes compared to direct light sources. However, avoid direct viewing of the lens while the projector is operating to minimize potential eye strain.
Video Content: No official product videos were available in the provided data for embedding in this manual.