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Seidio OBEX Waterproof Case

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Smartphone Seidio OBEX Waterproof Case

Product Description

Protecting your Samsung Galaxy Note 3 is not always easy, but Seidio’s OBEX® utilizes advanced technology that not only safeguards your device against drops, but also keeps external elements from damaging your device. This daily use case will protect you from water and accidental coffee spills, inclement weather including rain and snow, and from the dirt and grit of everyday activities.

Seidio has simplified the design to ensure that your Galaxy Note 3 is protected at the highest level possible in the form of a slim and sleek case that is easy to install and devoid of any loose parts or covers. Our built-in screen protector promotes touch sensitivity and clarity. OBEX®will give you the ultimate protection – anytime, anywhere.



- Anti-reflection glass protects the camera lens without interfereing with photo quality 
- Waterproof membranes shield the microphones and speakers while maintaining sound quality 
- Case meets the IP68 rating, signifying that it is both dust-tight and protected against complete, continuous submersion

Drop Protection 

- Exceeds the MIL-STD-810F Military standard and can survive drops from up to 6 feet.
- Internal structure is designed to protect your Samsung Galaxy Note 3 in the event that it is dropped or compressed 
- Combination of Polycarbonate (PC) and Thermoplastic Silicone Vulcanizate (TPSiV®) materials provide protection from impact 
- Raised edges on case and 4H hardness rated screen protect create a barrier from exernal elements

Everyday Protection

- Designed so your Samsung Galaxy Note 3 remains fully functional for daily use, including the S Pen™ 

- Easy, two piece installation eliminates the worry of loose pieces after case assembly 
- Soft rubber stoppers keep dust and liquids out of headphone, USB ports, and S Pen™ opening while still allowing easy access in dry conditions 
- Case will not interfere with radio signals, Bluetooth, or NFC (Near Field Communication)

Special Note: A Seidio OBEX Belt Clip Holster is available for this product (not included). See Buy Together Deals to the Right.


Frequently Asked Questions

What is the dimension and weight for the OBEX®?

Dimension: 6.56in x 0.69in x 3.60in | 166.58mm x 17.50mm x 91.56mm

Weight: 2.50oz | 70.88g

How is the OBEX® waterproof?

The OBEX® utilizes our unique patent pending technology to prevent water from entering.

How deep can this case go in water?

The case can go down to 1 meter (3.3 feet) deep under water for continuous submersion, or to 2 meters (6.6 feet) for up to 30 minutes.

I hear echo, or the person on the other side cannot hear me very well. What can I do?

Remove and reinstall the case by following the instructions on the manual. If the issue persists, locate the "Noise Reduction" function on your screen during a call and turn it off. This should resolve the issue.

I see small dots on the screen protector of my case. What are these for?

These are spacers that prevent watermarks from forming between your phone screen and the OBEX® screen protector.

Can I keep my screen protector on and still install OBEX® ?

The touch screen sensitivity will be affected if you don't remove your current screen protector. OBEX® provides protection and a second screen protector will interfere with case performance.

Will the touch screen feel a little less sensitive?

The premium protection that the OBEX® provides for your screen from water, dust, drops and snow does take time to adjust to. After some use, you will be able to discern how much pressure is necessary.

Will OBEX® still protect my device if there is some damage?

OBEX® protects your device from both external elements and impact. Due to possible variations in types and extent of damages, we cannot guarantee OBEX® to be in proper working condition for all types of damage. However, you can always verify by conducting a waterproof test if you drop and damage your OBEX® to ensure it is still in proper working condition. As for impact protection, as long as all parts of the case are still able to stay intact, then your device should still have protection against impact from drops. Prompt replacement is recommended after any damages.

How do I charge my device, use headphones, or access the S Pen™ with this case?

You can access the charging port by using your finger to open the Port Cover and flap on the bottom side of case. Once you open the cover, do not forcefully bend it further than its allowable range of motion. You can access the headphone port on your device by using your finger to open the rubber silicone stopper on the top side of the case starting from one side of the stopper with a strip of protrusion. The S Pen™ port can be accessed in the same fashion on the bottom of the case. The elastic stoppers are designed to not separate entirely from the case once open.

NOTE: While the Port Cover and rubber flap is open, the case is no longer waterproof. Once you finish using the ports, please securely place the rubber flap and Port Cover back into place again to enable waterproof protection.

Will the photo or video quality be affected by the case?

No, the photo and video quality will not be affected by the case.

Will the sound quality be affected by the case?

Because of the materials used, the sound quality will not be affected by the case.


Can OBEX® protect against drops & impact?

Yes, the shock absorbent Thermoplastic Silicone Vulcanizate and impact resistant Polycarbonate materials protect your device from drops and impact. This case has passed the MIL-STD-810F Military Specification Drop Test, which is the highest level of durability testing based on military requirements.

NOTE: Please do not use a damaged case to protect your device. Contact SEIDIO to request a replacement or purchase another case.

Is my screen protected by this case?

Yes. Sides of the case surrounding the screen are designed to be slightly elevated in order to protect the screen from impact. Also, the built-in screen protector on the OBEX ® case features a 4H hardness rating to protect against scratches, and, unlike common PET screen protectors, can shield the screen from minor impact resulting from daily objects such as car keys, utensils, loose change, etc.

Is there a lanyard hole for OBEX®

Yes, the lanyard hole for OBEX® is located near the bottom left of the case. you may strap on a buoy or lanyard (not included) for additional security.

What is the warranty for OBEX® ?

Seidio's 1 year warranty applies to the OBEX® case.

I noticed water under the latches of my case when I opened it up. Is this normal?

Yes, this is normal. Some water may be found under the latches. Dry the water completely before charging and/or opening up the case. If you see water underneath the rubber covers for the audio jack and stylus, remove the case and contact our customer relations team.


The person that I am calling on speakerphone hears echoes. What can I do?

Make sure the noise cancellation function is disabled when you are on speakerphone. To disable, tap the green icon above the "Add Call" tile near the center of the screen.


If I open the latches or rubber covers daily, will they wear out over time?

OBEX® has gone through vigorous testing prior and during development to ensure that the latches and rubber covers will not wear out. In order to simulate normal use, all parts have been tested over 2,000 times without incidental damage or tearing.


Can I use my S Pen™ underwater?

No. Samsung's S Pen™ is not waterproof and should not be used underwater.

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