Introduction
The suptek YF208B Aluminum Alloy Desk Mount Stand is designed to securely hold your cell phone or tablet, providing versatile viewing angles and freeing up desk space. This manual provides comprehensive instructions for the proper assembly, operation, and maintenance of your device stand.
Product Features
- Universal Compatibility: Ideal for most tablets and smartphones with diagonals from 4.7 inches to 11 inches, supporting devices up to 6.6 lbs (3 kg).
- Extendable Design: Features a two-end expandable bracket with an inner length ranging from 5.31 inches to 7.48 inches. The arm length is approximately 7.9 inches and 6.6 inches (200mm & 167mm). The C-clamp style base can clip onto surfaces from 0.4 inches to 3.19 inches thick.
- Full Motion Adjustment: Offers 360° rotation for the holding bracket and 180° swivel arms, allowing for optimal viewing from any angle.
- User-Friendly Design: Includes a reserved charging port for convenient device charging while in use, enabling hands-free operation for reading, watching videos, and more.
- Stable and Durable: Constructed with a premium aluminum foldable frame for enhanced durability and easy portability. Non-slip silicone pads on the bracket ensure a firm grip and protect your device.
Package Contents
Please verify that all components are present before beginning assembly:
- Adjustable Arm Assembly
- Device Holder (Clip)
- C-Clamp Base
- Allen Key (for tension adjustment)
Setup and Installation
Follow these steps to assemble and install your suptek YF208B Desk Mount Stand:
- Connect Device Holder to Arm: Align the ball joint of the device holder with the socket on the adjustable arm. Push firmly until it clicks into place. Ensure it is securely attached.
- Mount C-Clamp to Desk: Place the C-clamp base onto the edge of your desk or table. Turn the screw knob clockwise to tighten the clamp securely to the surface. Ensure the clamp is stable and does not wobble. The clamp can accommodate surfaces between 0.4 and 3.19 inches thick.
- Attach Arm to C-Clamp: Insert the base of the adjustable arm into the slot on the C-clamp. Tighten any securing screws if present to ensure a firm connection.
- Adjust Arm Tension: If the arm feels too loose or too tight, use the provided Allen key to adjust the screws at the joints. Turn clockwise to tighten and counter-clockwise to loosen. Adjust until the arm holds its position firmly but can still be moved with reasonable effort.
Video: Assembly of Tablet Phone Mount Stand YF208B. This video demonstrates the step-by-step process of assembling the stand, including connecting the device holder, mounting the C-clamp, and attaching the arm.

Image: The C-clamp base securely attaches to a desk, featuring integrated cable management for a tidy setup. It can clamp onto surfaces up to 3.2 inches thick.
Operating Instructions
Once assembled, your suptek YF208B stand offers flexible positioning for your devices:
- Inserting Your Device: Gently pull apart the expandable clips of the device holder and carefully place your phone or tablet into the holder. Ensure the device is centered and held firmly by the non-slip silicone pads.
- Adjusting Viewing Angle: The stand features multiple adjustment points. You can rotate the device holder 360° to switch between portrait and landscape orientations. The arm joints allow for 180° swivel, enabling you to position your device at the desired height and distance.
- Cable Management: Utilize the integrated cable management slots along the arm and C-clamp to route your charging cable, keeping your workspace organized and clutter-free.
Video: Display of Tablet Phone Mount Stand YF208B. This video showcases the various ways the stand can be adjusted and used with different devices, highlighting its flexibility.

Image: This diagram illustrates the full range of motion, including 360° rotation at the device holder and 180° swivel at the arm joints, allowing for versatile positioning.

Image: The stand is compatible with a wide range of devices, from 4.7-inch smartphones to 11-inch tablets, as shown with various models.
Maintenance
- Cleaning: Wipe the stand with a soft, damp cloth to remove dust and smudges. Avoid using harsh chemicals or abrasive cleaners.
- Check Tightness: Periodically check the tightness of all screws and joints. If any part feels loose, use the provided Allen key to tighten them to ensure stability and prevent accidental drops.
- Storage: When not in use, the stand can be folded for compact storage. Ensure the device holder is empty before folding.
Troubleshooting
- Arm is too loose/does not hold position: Use the provided Allen key to tighten the screws at the arm joints.
- Device is not secure in holder: Ensure the device is within the 4.7-11 inch size range and that the expandable clips are fully gripping the device. The non-slip silicone pads should provide a firm hold.
- C-clamp is wobbling: Re-tighten the screw knob on the C-clamp base. Ensure the desk surface is flat and within the supported thickness range (0.4-3.19 inches).
Specifications
| Feature | Detail |
|---|---|
| Model Number | YF208B |
| Brand | suptek |
| Product Dimensions | 10.99 x 2.11 x 6.99 inches |
| Item Weight | 1.5 pounds |
| Color | Black |
| Form Factor | Desk Clamp Mount |
| Compatible Device Size | 4.7 - 11 inches (diagonal) |
| Max Device Weight | 6.6 lbs (3 kg) |
| Clamp Thickness Range | 0.4 - 3.19 inches |
Warranty and Support
The suptek YF208B Desk Mount Stand is designed for durability and performance. For any questions, concerns, or support needs, please refer to the manufacturer's official website or contact their customer service. Keep your purchase receipt for warranty claims.





