Introduction
This manual provides essential information for the proper use and care of your Celly Volcano Protective Case, designed specifically for the Samsung Galaxy S20 Ultra. The Volcano case features a transparent matte back made of PC with a rubber finish, complemented by soft rubber (TPU) edges. It incorporates a special non-slip texture on the sides to enhance grip and reduce the risk of accidental drops. The design is completed with protective buttons in contrasting colors.
Setup: Installing the Case
Follow these steps to correctly install the Celly Volcano Protective Case onto your Samsung Galaxy S20 Ultra:
- Clean your device: Before installation, ensure your Samsung Galaxy S20 Ultra is clean and free of dust or debris.
- Align the phone: Gently slide the top of your Samsung Galaxy S20 Ultra into the top edge of the case, ensuring the camera cutout aligns properly.
- Press into place: Carefully press the rest of your phone into the case, working your way down the sides. Ensure all edges of the phone are securely seated within the case's soft rubber (TPU) frame.
- Verify fit: Check that all buttons (power, volume) and ports are accessible and that the case fits snugly around your device.

Image: Front view of the Samsung Galaxy S20 Ultra securely fitted within the Celly Volcano Protective Case, demonstrating proper alignment and fit.
Usage
The Celly Volcano case is designed for daily use, providing protection while maintaining full functionality of your Samsung Galaxy S20 Ultra.
- Button Access: The case features integrated protective buttons with contrasting colors, ensuring easy and responsive access to your phone's power and volume controls.
- Port and Speaker Access: Precision cutouts provide unobstructed access to the charging port, headphone jack (if applicable), and speakers.
- Camera Protection: The case design includes raised edges around the camera module to protect the lenses from scratches when placed on flat surfaces.
- Wireless Charging: The case is designed to be thin enough to allow for wireless charging without needing to remove the case.
- Enhanced Grip: The special non-slip texture on the sides of the case helps prevent accidental drops, providing a secure hold on your smartphone.

Image: Rear view of the Samsung Galaxy S20 Ultra in the Celly Volcano case, highlighting the camera protection and the transparent matte back.
Maintenance
To keep your Celly Volcano Protective Case in optimal condition, follow these simple cleaning guidelines:
- Regular Cleaning: Wipe the case regularly with a soft, damp cloth to remove dust and fingerprints.
- Stubborn Stains: For more stubborn dirt, use a small amount of mild soap diluted in water. Apply with a soft cloth, then wipe clean with a separate damp cloth and dry thoroughly.
- Avoid Harsh Chemicals: Do not use abrasive cleaners, solvents, or strong chemicals, as these can damage the case's finish and material.
- Air Dry: Allow the case to air dry completely before reattaching it to your phone.
Troubleshooting
If you encounter any issues with your Celly Volcano Protective Case, consider the following common solutions:
- Case does not fit: Ensure you have the correct model case for your Samsung Galaxy S20 Ultra. This case is specifically designed for the S20 Ultra and may not fit other models.
- Buttons are not responsive: Remove the case and re-install it, ensuring your phone is perfectly aligned within the case. Sometimes a slight misalignment can affect button responsiveness.
- Difficulty with wireless charging: While the case supports wireless charging, ensure your phone is correctly centered on the wireless charging pad. Thick third-party screen protectors or metal attachments on the phone might interfere.
- Case appears dirty or discolored: Refer to the Maintenance section for proper cleaning instructions. Regular cleaning can prevent buildup and maintain the case's appearance.
Specifications
Key specifications for the Celly Volcano Protective Case (Model: VOLCANO991BK):
| Feature | Detail |
|---|---|
| Model Number | VOLCANO991BK |
| Compatible Device | Samsung Galaxy S20 Ultra |
| Product Dimensions (L x W x H) | 6.18 x 2.95 x 0.31 inches |
| Item Weight | 2.46 ounces |
| Material | Rubber (TPU), PC (Polycarbonate) |
| Color | Black (with contrasting buttons) |
| Manufacturer | Celly |

Image: Detailed view of the Celly Volcano Protective Case, showcasing its transparent matte back and contrasting button design.
Warranty and Support
For warranty information or technical support regarding your Celly Volcano Protective Case, please refer to the official Celly website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
You can typically find contact information or support resources on the manufacturer's official website: www.celly.com





