Introduction
The STRONG Leap-S3 Pro is a high-performance 4K UHD streaming box designed to transform your television into a smart entertainment hub. Running on the latest Android TV operating system, it provides seamless access to a vast array of streaming services, apps, and features, including Google Assistant and Chromecast built-in. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.
What's in the Box
Please check the contents of your package. It should include the following items:
- STRONG Leap-S3 Pro Streaming Box
- Voice Controlled Remote
- 12V/1A Power Supply
- HDMI Cable
- 2 x AAA Batteries
- Safety and Warranty Instructions
- Installation Instructions

Image: The STRONG Leap-S3 Pro 4K UHD Streaming Box, a compact black device with a blue light indicator, is shown alongside its dark gray backlit remote control. The remote features dedicated buttons for YouTube, Prime Video, Netflix, and Disney+, as well as a numeric keypad and navigation controls. The streaming box shows USB-C, Reset, and USB ports on its side.
Setup Guide
1. Connecting the Device
- Connect to TV: Use the provided HDMI cable to connect the HDMI port on the Leap-S3 Pro to an available HDMI input on your television.
- Connect to Power: Plug the 12V/1A power supply into the DC IN port on the streaming box, then plug the adapter into a wall outlet.
- (Optional) Connect to Network: For a stable internet connection, connect an Ethernet cable from your router to the Ethernet port on the streaming box. If using Wi-Fi, you will configure it during the initial setup.
2. Initial Setup Wizard
Upon first power-on, the device will guide you through an initial setup process:
- Language Selection: Choose your preferred language.
- Remote Control Pairing: Follow the on-screen instructions to pair your voice-controlled remote via Bluetooth. This usually involves pressing specific buttons on the remote simultaneously.
- Network Connection: Select your Wi-Fi network and enter the password, or confirm your Ethernet connection.
- Google Account Sign-in: Sign in with your Google account to access Google Play Store, Google Assistant, and other Google services.
- Terms of Service: Accept the terms and conditions.
- Install Apps: You may be prompted to install popular streaming applications.
Operating Instructions
Remote Control Functions
The backlit remote control provides intuitive navigation and quick access to features:
- Navigation Pad: Use the directional buttons to move through menus and select items. The center button confirms selections.
- Google Assistant Button: Press to activate voice commands and search.
- Home Button: Returns to the Android TV home screen.
- Back Button: Returns to the previous screen.
- Volume Buttons: Adjust audio volume.
- Dedicated App Buttons: Quick access to Netflix, Disney+, Prime Video, and YouTube.
- Numeric Keypad: For direct channel selection in IPTV apps or entering numbers.
Streaming and Apps
The Leap-S3 Pro allows you to enjoy a wide range of content:
- Google Play Store: Download and install your favorite apps, games, and streaming services.
- Chromecast Built-in: Cast content directly from your compatible smartphone, tablet, or computer to your TV. Look for the Cast icon within supported apps.
- Media Playback: Connect USB storage devices to the USB-A or USB-C ports to play local media files (videos, photos, music).
- Bluetooth Connectivity: Pair Bluetooth headphones, game controllers, or other accessories for an enhanced experience.
Maintenance
Cleaning the Device
To maintain the appearance and performance of your streaming box:
- Always disconnect the power supply before cleaning.
- Use a soft, dry, lint-free cloth to wipe the exterior surfaces.
- Do not use liquid cleaners, aerosols, or abrasive cleaning agents, as they may damage the finish or internal components.
Software Updates
Keeping your device's software up to date ensures optimal performance and access to new features:
- Navigate to Settings on the Android TV home screen.
- Select Device Preferences or About.
- Choose System update or Software update to check for and install available updates.
Factory Reset
A factory reset will erase all data and settings, restoring the device to its original state. This can be useful for resolving persistent issues or preparing the device for transfer:
- Navigate to Settings on the Android TV home screen.
- Select Device Preferences.
- Choose Reset or Factory data reset.
- Confirm your choice. The device will restart and begin the initial setup process.
Troubleshooting
If you encounter issues with your STRONG Leap-S3 Pro, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| No power / Device does not turn on. |
|
| No picture on TV screen. |
|
| Remote control not responding. |
|
| Cannot connect to Wi-Fi. |
|
| Apps are slow or crashing. |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | Strong |
| Model Number | LEAP-S3 PRO |
| Item Weight | 1.32 pounds (0.6 Kilograms) |
| Product Dimensions | 5.91 x 7.87 x 5.91 inches (3.78"L x 3.78"W x 0.79"H) |
| Memory Storage Capacity | 32 GB |
| Supported Internet Services | Netflix, Disney+, Prime Video, YouTube |
| Video Codec | HEVC/H.265 (4K UHD) |
| Connectivity | Wi-Fi 6, Bluetooth 5.0, USB-A, USB-C, HDMI 2.1, Ethernet |
| Operating System | Android TV (latest version, likely Android 11) |
Warranty and Support
For detailed warranty information and technical support, please refer to the "Safety and Warranty Instructions" included in your product package. You can also visit the official Strong website for the latest support resources, FAQs, and contact information.
Note: Product specifications and features are subject to change without notice.





