What Does Screen Protector Do

Mobile Accessories
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When it comes to taking care of our beloved mobile devices, there is one essential accessory that often gets overlooked but is of utmost importance – the screen protector. We invest a considerable amount of money in our smartphones, tablets, and other gadgets, and the screen protector plays a crucial role in keeping these devices safe and functional.

But what exactly does a screen protector do? In this article, we will explore the benefits and functions of a screen protector and why it is a must-have accessory for those wanting to prolong the lifespan of their mobile devices. From safeguarding against scratches and cracks to reducing glare and fingerprints, a good screen protector can make a significant difference in maintaining the pristine condition of your device’s screen.

So, if you’re curious to learn more about how a screen protector can provide added protection for your mobile device, keep reading!

Inside This Article

  1. Why Use a Screen Protector
  2. Different Types of Screen Protectors
  3. Benefits of Using a Screen Protector:
  4. How to Properly Apply a Screen Protector
  5. Conclusion
  6. FAQs

Why Use a Screen Protector

A smartphone is an essential part of our daily lives, and its screen is one of the most vulnerable components. With regular use, the screen can get scratched, smudged, or even cracked. That’s where a screen protector comes in handy. Here are some compelling reasons why you should consider using a screen protector for your smartphone:

  1. Protection against scratches: The screen protector acts as a physical barrier between your phone’s screen and potential scratches from daily use or accidental drops. The protector takes the damage instead of your actual screen, saving you the cost of replacing or repairing it.
  2. Prevention of fingerprints and smudges: Along with scratches, fingerprints and smudges can quickly accumulate on your phone’s screen, affecting the clarity and visibility. A screen protector with an oleophobic coating helps repel oils and makes it easier to wipe away fingerprints and smudges, keeping your screen cleaner for longer.
  3. Reduced glare and reflection: Some screen protectors are designed to minimize glare and reflections, allowing for better visibility, particularly in bright or outdoor environments. This feature can significantly enhance the viewing experience when using your phone outdoors or under harsh lighting conditions.
  4. Enhanced privacy: Privacy screen protectors use a special optical filter that limits the viewing angles, ensuring that the screen content is only visible when viewed directly in front. This protects your sensitive information from prying eyes, making it ideal for use in crowded places or when you need to keep your phone screen private.
  5. Added shatter resistance: Some screen protectors, particularly tempered glass ones, are designed to provide an additional level of shatter resistance. In the event of accidental drops or impacts, the protector absorbs the impact and prevents the screen from cracking or shattering, which can ultimately extend the lifespan of your smartphone.

Overall, using a screen protector is a valuable investment to protect your smartphone’s screen from scratches, smudges, glare, and even accidental drops. It not only helps maintain the clarity and functionality of your screen but also preserves the overall resale value of your device. Whether you prefer a traditional plastic film protector or a more durable tempered glass option, choosing the right screen protector for your smartphone is a small step that can make a big difference in the long run.

Different Types of Screen Protectors

When it comes to protecting your mobile device’s screen, there are several different types of screen protectors to choose from. Each type offers its own set of benefits and considerations. Let’s take a closer look at some of the most common types of screen protectors available:

  1. Tempered Glass Screen Protectors: Tempered glass is a popular choice for screen protection due to its durability and clarity. Made from a thick, multi-layered glass material, tempered glass protectors provide excellent impact resistance, preventing scratches, cracks, and shattering. They also maintain touch sensitivity and provide a smooth surface for seamless navigation.
  2. PET Film Screen Protectors: PET (polyethylene terephthalate) film protectors are thin, flexible, and affordable options for screen protection. They are easy to apply and help guard against scratches and daily wear and tear. However, PET film protectors may not offer the same level of impact resistance as tempered glass.
  3. Privacy Screen Protectors: If you value your privacy and want to prevent others from peeking at your screen, privacy screen protectors are a great option. These protectors feature a special polarized coating that limits the viewing angle, making it difficult for others to see your screen from the sides.
  4. Matte/Anti-Glare Screen Protectors: Matte or anti-glare screen protectors are designed to minimize glare and fingerprints on your screen. They have a matte finish that diffuses light, reducing reflections and making it easier to view the screen in bright conditions. These protectors can also help smudges and smears less visible.
  5. Full Coverage Screen Protectors: Full coverage screen protectors provide edge-to-edge protection for the entire screen, including the curved edges of some modern devices. They are typically made of tempered glass and offer complete protection against scratches, impacts, and fingerprints.

Each type of screen protector has its own advantages and considerations. It’s essential to choose the type that best fits your needs and preferences.

Benefits of Using a Screen Protector:

Using a screen protector for your mobile device offers several advantages that can help extend the lifespan of your phone and enhance your user experience. Here are some of the key benefits:

  1. Scratch Protection: One of the primary benefits of using a screen protector is to safeguard your device’s screen from scratches. Daily use of your phone can expose it to various objects and surfaces that can cause scratches, such as keys, coins, or even accidental drops. A screen protector acts as a protective barrier, absorbing the impact and keeping your screen scratch-free.
  2. Smudge and Fingerprint Resistance: Another advantage of using a screen protector is that it helps reduce smudges and fingerprints on your screen. The oleophobic coating on many screen protectors repels oils from your fingertips, making it easier to wipe away smudges with a soft cloth. This not only keeps your screen cleaner but also ensures optimal touch sensitivity.
  3. Shatter Resistance: In addition to scratch protection, many screen protectors offer shatter resistance. These protectors are made of tempered glass or multi-layered materials that are designed to absorb impact and prevent your screen from cracking or shattering in the event of a drop or accident. Having a screen protector can provide you with peace of mind knowing that your device is protected from potential screen damage.
  4. Privacy: Some types of screen protectors, such as privacy filters, offer an additional layer of privacy. These protectors feature a filter that makes it difficult for people to view your screen from side angles, ensuring that your personal or sensitive information remains confidential. Whether you’re working on confidential documents or simply want to keep your text messages private, a privacy screen protector can be a valuable addition to your device.
  5. Enhanced Clarity: A high-quality screen protector can improve the overall clarity and visibility of your device’s screen. Certain screen protectors are designed to reduce glare and reflections, allowing you to view your screen more easily in bright sunlight or under harsh lighting conditions. By minimizing distractions and improving clarity, screen protectors enhance the visual experience of using your mobile device.
  6. Easier Cleaning: Cleaning your device’s screen becomes much easier when you have a screen protector. Instead of directly cleaning the screen, you can simply remove the protector, clean it separately, and then reapply it. This prevents any moisture or cleaning agents from directly coming into contact with your device’s screen, reducing the risk of damage during the cleaning process.

With these benefits in mind, it’s clear that using a screen protector is a worthwhile investment to protect and enhance the longevity of your mobile device. Regardless of the specific features you prioritize, there is a wide variety of screen protectors available in the market to suit your needs.

How to Properly Apply a Screen Protector

Applying a screen protector can be a bit tricky if you’re not familiar with the process. To ensure a bubble-free and aligned installation, follow these steps:

  1. Clean the screen: Start by cleaning the screen of your device thoroughly using a microfiber cloth and a cleaning solution specifically designed for electronics. This will remove any dust, fingerprints, or smudges that may interfere with the application.
  2. Gather the necessary tools: Make sure you have all the tools you need for the application, including the screen protector, a dust removal sticker, and a squeegee or a credit card.
  3. Align the screen protector: Carefully align the screen protector with the edges of your device’s screen. Most screen protectors come with guide stickers or tabs that help you position them correctly. Take your time to ensure it’s perfectly centered and symmetrical.
  4. Remove any dust or debris: Use the dust removal sticker to gently lift any remaining dust particles or debris from the screen before applying the protector.
  5. Peel off the backing: Once the screen is clean and aligned, peel off the backing of the screen protector. Be careful not to touch the adhesive side with your fingers, as this can leave unwanted fingerprints or smudges.
  6. Apply the screen protector: Slowly lower the screen protector onto the screen, starting from one end and working your way to the other. Use your fingers or the squeegee to flatten it out and eliminate any air bubbles. Applying even pressure across the entire surface will ensure a smooth and secure adhesion.
  7. Smooth out any bubbles: If you notice any bubbles, use the squeegee or credit card to gently push them towards the edge of the screen. Apply firm but gentle strokes until the bubbles disappear.
  8. Final touches: Once the screen protector is applied and any bubbles are removed, take a close look at the edges to ensure they are properly aligned and sealed. If necessary, use your fingers to press down and secure any loose areas.
  9. Allow it to set: Give the screen protector some time to fully adhere to the screen. Avoid using the device or pressing on the screen for at least 24 hours to allow the adhesive to set properly.
  10. Check for imperfections: After the screen protector has set, inspect it for any imperfections or dust particles that might have slipped through. If necessary, carefully lift the screen protector to remove any debris and then reapply it following the previous steps.

Following these steps will help you apply a screen protector neatly and effectively, providing an added layer of protection to your device’s screen.


In conclusion, a screen protector is an essential accessory for any mobile device. It offers an extra layer of protection that safeguards the screen from scratches, smudges, and cracks. Not only does it enhance the durability of the device, but it also preserves the visual clarity of the screen, allowing for a seamless user experience.

With the advancements in technology, mobile devices have become an integral part of our lives, serving as our communication tools, entertainment devices, and much more. Therefore, it is crucial to ensure that our screens remain in pristine condition.

By investing in a high-quality screen protector, users can prevent costly screen repairs and extend the lifespan of their devices. Whether it is a tempered glass protector or a film protector, it is important to choose one that fits properly and adheres securely to the screen.

Ultimately, a screen protector not only acts as a shield for your mobile device but also provides peace of mind, knowing that your valuable screen is protected. So, don’t hesitate to get a screen protector for your phone or tablet, and enjoy a worry-free mobile experience.


Q: What does a screen protector do?

A: A screen protector is a thin film or tempered glass layer that is applied to the screen of a mobile device to protect it from scratches, fingerprints, and other forms of damage. It acts as a barrier between the screen and external elements, ensuring the longevity and clarity of the display.

Q: Do screen protectors affect the touch sensitivity of the phone?

A: No, screen protectors are designed to be highly transparent and responsive, so they do not compromise the touch sensitivity of the phone. They are engineered to maintain the same level of touch responsiveness as the original screen, allowing users to interact with their devices seamlessly.

Q: Can a screen protector prevent my phone screen from cracking?

A: While a screen protector can provide an extra layer of protection for the screen, it is not guaranteed to prevent it from cracking. Screen protectors are primarily designed to protect against scratches and minimal impact. For more substantial protection against cracks or drops, a rugged phone case may be more suitable.

Q: How do I apply a screen protector to my phone?

A: Applying a screen protector requires careful preparation and a clean, dust-free environment. Start by cleaning the screen thoroughly with the provided cleaning cloth. Then, carefully align the edges of the screen protector with the phone’s screen and slowly apply it, using a credit card or a specialized applicator to remove any air bubbles. Follow the instructions provided by the manufacturer for proper installation.

Q: Can I reuse a screen protector after removing it from my phone?

A: In most cases, screen protectors are not designed to be reusable once they have been removed. The adhesive used to attach them to the screen loses its effectiveness after removal. It is recommended to purchase a new screen protector if the old one needs to be replaced.