1. Introduction
This manual provides detailed instructions for the installation, usage, and maintenance of your SUPFINE Magnetic Case for iPhone 17 (6.3 inch). Please read this manual thoroughly to ensure optimal performance and protection for your device.
2. Compatibility
This SUPFINE Magnetic Case is designed exclusively for the iPhone 17 (6.3 inch). It is not compatible with other iPhone models, including iPhone 17 Air (6.5 inch), iPhone 17 Pro (6.3 inch), or iPhone 17 Pro Max (6.9 inch).

Image: Visual guide indicating compatibility specifically for iPhone 17 (6.3 inch).
3. Key Features
The SUPFINE Magnetic Case offers a range of features designed to protect and enhance your iPhone 17 experience:
- Super Magnetic Attraction: Equipped with powerful built-in magnets for seamless MagSafe compatibility and efficient wireless charging.
- Military Grade Drop Protection: Tested to withstand drops up to 10 feet, providing robust protection against impacts and shocks.
- Matte Translucent Back: Features a flexible TPU frame and a hard PC back with a matte coating, offering a premium feel, excellent grip, and resistance to smudges, fingerprints, and scratches.
- 360° Full Upgrade Protection: Includes 1.5 mm raised screen edges and 1.5 mm raised camera edges to protect vulnerable areas from direct impact.
- Slim Fit Design: Maintains a sleek profile, adding minimal bulk to your device while ensuring easy handling.
- Precise Cutouts: Ensures easy access to all ports, buttons, sensors, and cameras, with responsive button covers.
3.1. Enhanced Protection

Image: Illustration of the case's military-grade drop protection capabilities.

Image: Detail of raised edges around the screen and camera for comprehensive protection.
3.2. Magnetic Functionality

Image: Depiction of the case's strong magnetic attraction for MagSafe accessories.
4. Installation Guide
Follow these steps to properly install your SUPFINE Magnetic Case on your iPhone 17:
- Ensure your iPhone 17 is clean and free of dust or debris.
- Align the top edge of your iPhone with the top edge of the case.
- Gently push the iPhone into the case, starting from the top, ensuring all corners snap securely into place.
- Verify that all buttons and ports are correctly aligned with the case's cutouts.
5. Operating Instructions
Once installed, your SUPFINE Magnetic Case allows for seamless interaction with your iPhone 17 and MagSafe accessories.
5.1. MagSafe Compatibility
The integrated magnets ensure a secure attachment to MagSafe chargers, wallets, and other compatible accessories. Simply align your MagSafe accessory with the back of the case, and it will snap into place.

Image: Demonstrates various MagSafe charging and accessory uses with the case.
5.2. Button and Port Access
The case features precise cutouts for all ports and responsive button covers, ensuring full functionality without needing to remove the case.
6. Care and Maintenance
To keep your SUPFINE Magnetic Case in optimal condition:
- Clean the case regularly with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive materials, as these may damage the matte finish.
- The translucent matte back is designed to resist fingerprints and smudges, but occasional cleaning will maintain its appearance.

Image: Features of the case's matte back, including resistance to scratches, fingerprints, and oil.
7. Troubleshooting
7.1. Fingerprints or Smudges on the Back
While the matte finish is designed to be anti-fingerprint, some residue may accumulate over time. Refer to the Care and Maintenance section for cleaning instructions. Regular cleaning will restore the case's pristine appearance.
7.2. MagSafe Accessories Not Attaching Securely
Ensure that both the case and the MagSafe accessory are clean and free from obstructions. The magnets are strong, but foreign objects can interfere with the connection. If the issue persists, ensure you are using genuine MagSafe compatible accessories.
8. Product Specifications
| Attribute | Detail |
|---|---|
| Brand | SUPFINE |
| Model Number | for 17 Case |
| Compatible Phone Models | iPhone 17 |
| Color | Black |
| Material | Thermoplastic Polyurethane |
| Water Resistance Level | Not Water Resistant |
| Additional Features | Heavy Duty Protection, Slim Fit |
| Screen Size | 6.3 Inches |
| Form Factor | Basic Case |
| Finish | Matte |
| Number of Items | 1 |
| Item Dimensions | 8.51 x 4.61 x 0.51 inches |
9. Warranty and Support
9.1. Manufacturer's Warranty
This SUPFINE Magnetic Case comes with a 1 Year Manufacturer Warranty. Please retain your proof of purchase for any warranty claims.
9.2. Returns Policy
The product is eligible for 30-DAY RETURNS. If you are not satisfied with your purchase, you are entitled to a 30-day free return and exchange service. For further assistance, please contact SUPFINE customer support.

Image: Information regarding customer support and return policy.