Introduction
Thank you for choosing the Nillkin Detachable Backlit Keyboard Case for your Samsung Galaxy Tab S9 FE Plus 12.4-inch. This manual provides essential information for the proper setup, operation, and maintenance of your new keyboard case. Please read these instructions carefully before use to ensure optimal performance and longevity of the product.
Product Overview
The Nillkin Detachable Backlit Keyboard Case is designed to enhance your tablet experience by providing robust protection, a versatile kickstand, a responsive trackpad, and a comfortable backlit keyboard. It also features a dedicated S Pen holder for convenience.
Key Features:
- Detachable Keyboard: Easily attach or detach the keyboard as needed.
- 7-Color Backlit Keys: Adjustable backlighting with 7 color options and 4 brightness levels for comfortable typing in various lighting conditions.
- Integrated Trackpad: Precision trackpad for intuitive navigation.
- Adjustable Kickstand: Multiple viewing angles (100° to 180°) for typing, viewing, reading, or sketching.
- S Pen Holder: Secure storage for your S Pen.
- Tough Protection: TPU frame and PC hard panel construction with four-corner airbags and a sliding camera cover for enhanced device safety.
- Auto Sleep/Wake: Conserves battery life by automatically putting your tablet to sleep or waking it up.
What's in the Box:
- Nillkin Detachable Keyboard Case
- USB Type-C Charging Cable
- User Manual
Setup Instructions
1. Installing Your Tablet
- Carefully align your Samsung Galaxy Tab S9 FE Plus 12.4-inch with the protective case frame.
- Gently press the tablet into the case, ensuring all corners and edges are securely seated. The case is designed for a snug fit to provide maximum protection.
Video: Demonstrates the process of installing the tablet into the Nillkin keyboard case.
2. Connecting the Keyboard via Bluetooth
- Ensure the keyboard is charged. Connect the provided USB Type-C cable to the keyboard and a power source if the battery is low.
- Turn on the keyboard by sliding the power switch, usually located on the side or top edge of the keyboard. The indicator light will flash.
- On your Samsung Galaxy Tab S9 FE Plus, go to Settings > Connected devices > Bluetooth.
- Turn on Bluetooth and search for available devices.
- Select "Nillkin Keyboard" (or a similar name) from the list of available devices.
- Follow any on-screen prompts to complete the pairing process. Once paired, the indicator light on the keyboard will stop flashing and remain solid.
3. Using the S Pen Holder
The case features a dedicated slot for your S Pen. Insert the S Pen into the holder for secure storage and easy access. Ensure the S Pen is properly seated to prevent it from falling out.
Operating Instructions
1. Keyboard Functions
- Backlight Control: Press the Fn + Light Bulb icon keys to cycle through 7 backlight colors. Press the Light Bulb icon key alone to adjust the 4 brightness levels.
- Shortcut Keys: The top row of keys provides various shortcut functions (e.g., media control, volume, screen lock). Refer to the keyboard layout for specific functions.
- Anti-Mistouch Technology: The trackpad automatically disables when typing to prevent accidental cursor movements.

Image: The detachable backlit keyboard showcasing 7 color options and 4 brightness levels.
2. Trackpad Usage
The integrated trackpad supports multi-touch gestures for efficient navigation. Common gestures include:
- Single-finger tap: Left-click.
- Two-finger tap: Right-click.
- Two-finger scroll: Scroll up/down or left/right.
- Pinch to zoom: Zoom in or out.
3. Adjusting Viewing Angles (Kickstand)
The robust kickstand allows for flexible angle adjustments from 100° to 180°. This enables various usage modes:
- Laptop Mode: Ideal for typing and productivity.
- View Mode: Perfect for watching videos or presentations.
- Read Mode: Comfortable for reading e-books or documents.
- Sketch Mode: Provides a stable, low angle for drawing or writing with the S Pen.

Image: The case demonstrating its adjustable kickstand and various modes: Laptop, Read, View, and Sketch.
Video: Official Nillkin video showcasing the keyboard case's features, including detachable keyboard, camera protection, tough protection, sketch mode, read mode, large trackpad, and colorful backlight options.
4. Sliding Camera Cover
The integrated sliding camera cover protects your tablet's camera lens from scratches and dust. Slide the cover open when using the camera and close it when not in use to ensure privacy and lens protection.

Image: Close-up of the case highlighting the lens slider for camera protection and the four-corner airbags for drop resistance.
Maintenance
1. Cleaning
- Wipe the case and keyboard with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
- For the keyboard, use compressed air to remove dust and debris from between the keys.
2. Battery Charging
The keyboard is powered by a built-in Lithium Ion battery. When the battery is low, connect the provided USB Type-C cable to the keyboard's charging port and a power source (e.g., computer USB port, wall adapter). The charging indicator light will show the charging status.

Image: Illustrates the keyboard's battery life (100h non-backlit, 14h backlit) and the Type-C charging port.
Troubleshooting
- Keyboard not connecting:
a. Ensure the keyboard is charged and powered on.
b. Check if Bluetooth is enabled on your tablet.
c. Try unpairing and re-pairing the keyboard in your tablet's Bluetooth settings.
d. Restart both your tablet and the keyboard. - Backlight not working or stuck:
a. Ensure the keyboard battery is sufficiently charged.
b. Press the backlight control keys (Fn + Light Bulb icon or Light Bulb icon) to adjust settings. - Trackpad unresponsive:
a. Ensure the keyboard is properly connected via Bluetooth.
b. Check if the anti-mistouch feature is active (it temporarily disables the trackpad during typing).
c. Restart the keyboard and tablet. - Tablet not fitting securely in case:
a. Verify that you have the correct model of the Nillkin case for your Samsung Galaxy Tab S9 FE Plus 12.4-inch.
Specifications
| Brand | Nillkin |
| Model Number | For Galaxy Tab S9 FE Plus - 12.4 inch |
| Compatible Devices | Samsung Galaxy Tab S9 FE Plus 12.4-inch |
| Connectivity Technology | Bluetooth |
| Keyboard Description | Detachable, Mechanical, Backlit, with Trackpad and Kickstand |
| Special Features | Heavy Duty Protection, Kickstand, Backlit Keyboard, Sliding Camera Cover, S Pen Holder, Magic Trackpad, Auto Sleep/Wake, Adjustable Stand |
| Keyboard Backlighting Color Support | Single Color (7 selectable colors) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Battery | 1 Lithium Ion battery required (included) |
| Item Weight | 2.4 pounds |
| Package Dimensions | 13.5 x 10.91 x 1.42 inches |
Warranty and Support
Nillkin products are designed for quality and durability. For warranty information, product support, or technical assistance, please refer to the official Nillkin website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
For further assistance, you may visit the Nillkin Store on Amazon.





