FAQ

Products & Collections

What is the difference among diverse series?

・Privacy (Black) Film
Utilizes micro-louver technology. Offers exceptionally high light-blocking properties. The screen is only visible when viewed directly from the front.

・Clear (Transparent) Film
Made with high-transparency PET substrate. Does not block external light, allowing it to pass through freely. Maximizes the screen's original vivid colors and brightness.

・Anti-Reflective (AR) Film
The surface is treated with a reflection-reducing coating. Maintains screen clarity while making it easier to view, even in bright conditions.

・Blue Light Blocking Film
Infused with special light-absorbing agents. Absorbs and cuts off the blue light emitted from the screen, helping to reduce eye strain.

How do I get a flawless installation?



How do I install a screen protector with the alignment tool?

For the best fit while using the SmartPull Box, OnePress Fit, clean the screen thoroughly, secure the alignment tool around the phone, and remove the protective film slowly while keeping it parallel to the screen.

① Clean the Screen Thoroughly

Remove all dust, fingerprints, and residue before installation. Even small particles can cause bubbles, so carefully clean the screen with the included cleaning cloth.

② Secure the Alignment Tool

Fit the alignment tool firmly around all four corners of the phone. Make sure the phone is stable and each corner is fully secured before continuing.

③ Pull the Protective Film Slowly

Place your palm flat on the alignment tool to hold it steady. Slowly pull the protective film out while keeping it parallel to the screen throughout the installation.

How do I resolve bubbles or edge lifting?



Gently push any air bubbles from the center of the screen toward the nearest edge using a soft cloth or squeegee. Small air bubbles may disappear naturally within 1–2 days.

If an edge is lifting, gently press it back into place and check that the phone case is not pressing against the screen protector. If bubbles or lifting remain after a few days, contact us for replacement support.

Warranty & Coverage

Where can I find my order ID?


For Amazon orders, open Order Details and scroll down to find your order number.

Amazon order number format: 123-1234567-1234567

How long is the warranty period?


For one year from the date of purchase, each item is eligible for one replacement. Register for the extended warranty to increase your coverage to three years total.

Is there a deadline to register for extended coverage?



You can apply at any time during the standard one-year warranty period, starting from the date of purchase.

Is extended warranty registration free?


No. The extended warranty is completely free. Simply apply within the standard one-year warranty period from the date of purchase, and your coverage will be extended to three years total at no
additional cost
.

What is covered by the warranty?

・Initial defects
Initial defects upon arrival (such as damaged or dirty packaging), missing accessories, incorrect model or size selection, etc.
※ In the case of initial defects, if the replacement product also has issues, we can send another replacement (limited to the warranty period).

・Installation failure
Dust trapped during installation, air bubbles, misalignment, etc.

・Issues during use
Cracks or shattering that occur during normal use.

What is not covered under warranty?


The following cases are not covered by the warranty:

  • The product is outside the applicable warranty period.
  • Damage caused by intentional acts, misuse, improper handling, or minor scratches that do not affect normal use.
  • Products that have already received a warranty replacement, including second or subsequent claims for the same item.
  • Cases where the order number or sufficient details about the issue cannot be provided.
  • Products purchased from unauthorized sellers or outside the official SmartDevil website and authorized retail channels.

Technical Support

How to get help?

Contact us anytime via our contact page, WhatsApp, or email.

  • Contact page: contact us
  • WhatsApp: +1 (302) 444-1566
  • Email: support01@smartdevil.com

We will be happy to assist you.

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