Thank you for choosing the ULANZI MA51 Metal Phone Tripod Mount. This manual provides detailed instructions for the proper setup, operation, and maintenance of your device. Please read it thoroughly before use to ensure optimal performance and longevity.
1. Product Overview
The ULANZI MA51 is a versatile metal phone tripod mount designed for secure and flexible phone positioning. It features a robust aluminum alloy construction, a unique knob-and-button clamping mechanism, and multiple mounting options for various accessories and setups.
Key Features:
- One-Click Width Adjust & Universal Fit: Innovative "knob + button" design for quick and secure phone clamping (62mm-93mm).
- Multi-System Port: Integrated Arca dovetail and UKA base for compatibility with Arca Swiss tripods and UKA ecosystem accessories. Includes 2 Arri locating holes.
- Anti-Slip & Scratch Protection: High-density anti-slip silicone pads protect your phone. Durable aluminum alloy construction.
- 360° Rotation & 180° Tilt: Easily switch between portrait and landscape modes and adjust viewing angles precisely.
- Expandable Ports: Top cold shoe for lights or microphones, bottom 1/4" thread for tripods, monopods, and gimbals.

2. Package Contents
Verify that all items are present in your package:
- ULANZI MA51 Phone Clamp (1)

3. Setup Instructions
3.1 Attaching to a Tripod or Mount
The MA51 offers multiple ways to attach to your existing gear:
- 1/4" Thread: The base of the mount features a standard 1/4"-20 screw thread. Attach it directly to any tripod, monopod, or stand with a compatible screw.
- Arca QR Base: The base is designed as an Arca dovetail plate, allowing quick attachment and detachment from Arca Swiss compatible tripod heads.
- UKA Base: The mount is compatible with the UKA ecosystem, enabling seamless integration with UKA accessories.

3.2 Mounting Your Phone
The MA51 features a unique "knob + button" design for securing your smartphone:
- Widen the Clamp: For larger phones, press the "Press" button located on the side of the clamp to quickly expand its width.
- Insert Phone: Place your smartphone into the clamp.
- Fine-tune & Secure: Rotate the clamping adjustment knob until your phone is held firmly and securely. The clamp supports phones between 62mm and 93mm in width.

4. Operation
4.1 Adjusting Rotation and Tilt
- 360° Rotation: To rotate your phone between portrait and landscape orientation, press the lock button on the side of the mount. This allows for smooth 360-degree rotation. Release the button to lock the position.
- 180° Tilt: Use the vertical tilt knob at the base of the phone clamp to adjust the vertical angle of your phone up to 180 degrees. Tighten the knob to secure the desired tilt.

4.2 Using the Cold Shoe Mount
The top of the phone clamp features a cold shoe mount. This allows you to attach various accessories such as:
- Mini LED lights
- Microphones
- Other cold shoe compatible accessories
Simply slide the accessory into the cold shoe slot until it is secure.

5. Maintenance
- Cleaning: Wipe the mount with a soft, dry cloth. Avoid using abrasive cleaners or solvents, as these may damage the finish or internal components.
- Storage: Store the mount in a dry, cool place away from direct sunlight and extreme temperatures.
- Inspection: Periodically check all knobs and connections to ensure they are secure.
6. Troubleshooting
- Phone is not secure: Ensure the clamping adjustment knob is fully tightened. Verify that your phone's width is within the supported range (62mm-93mm).
- Difficulty rotating or tilting: Check that the rotation lock button is released and the vertical tilt knob is sufficiently loosened before attempting to adjust.
- Mount feels loose on tripod: Ensure the 1/4" screw or Arca clamp on your tripod is securely fastened to the MA51 base.
7. Specifications
| Brand | ULANZI |
| Model Number | MA51 |
| Material | Aluminum Alloy |
| Color | Black |
| Compatible Devices | Smartphones (iPhone 17/16/15/14/13/12/12Pro/12Pro Max/17 Air/11/11Pro/11Pro Max/X/Xs/XR/Xs Max, 8/7/6/6s, iPhone 6/6s plus, iPhone SE, Samsung Galaxy S10/S10 Plus/S9/S9+/S8/S8+/S7/S6/S6 edge, Note 10/9/8/5/4/3, and many other brands and models), Gimbal Tripod Head, Ball Heads, Mini hands-free tabletop desktop tripods, Light stands, Table stands |
| Clamp Width | 62mm - 93mm (2.56 - 3.54 inches) |
| Special Features | Cold Shoe, ARRI Locating Holes, Compatible with Arca UKA Base, 360° Swivel, 180° Tilt |
| Maximum Height | 11.6 Centimeters |
| Weight | 127.5g |
| Max Load | 500g |
8. Warranty Information
The ULANZI MA51 Metal Phone Tripod Mount comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product is free from defects in material and workmanship under normal use. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accident, unauthorized modification, or normal wear and tear.
9. Support
For further assistance, technical support, or warranty inquiries, please contact ULANZI customer service through the retailer where you purchased the product or visit the official ULANZI website for contact information.