When choosing a screen protector, it is important to consider the shape of the screen, the extent of coverage and the properties of the material used. We have prepared an overview of the different types, explanations of commonly used terms and practical tips on how to apply tempered glass correctly.
Which Tempered Glass Should You Choose for Your Phone?
Tempered glass screen protectors for mobile phones differ in screen coverage and additional features. When choosing one, consider compatibility with your specific phone model, protective case and, if applicable, fingerprint sensor.
Classic Tempered Glass
Protects the flat area of the screen against scratches and everyday wear. It may not extend all the way to the edges of the display.
FullCover
Provides extended screen coverage, including the edges. The exact extent of protection depends on the specific glass model.
Privacy / Anti-Spy
Limits screen visibility when viewed from the side, helping to protect your privacy.
Special Coatings and Materials
Includes glass protectors with anti-reflective, antibacterial and other surface treatments, as well as more flexible protective materials.
Which Tempered Glass Should You Choose for Your Tablet?
The larger screen area of a tablet increases the risk of scratches during transport and handling. When choosing a protector, it is important to know the exact device model and the desired level of coverage. If you use a stylus, also consider the glass protector's compatibility with it.
Classic Tempered Glass
Provides basic screen protection against scratches and everyday wear.
UWF
Offers extended screen coverage, designed to protect as much of the display surface as possible.
UWF Privacy
Combines extended screen coverage with reduced visibility of the display when viewed from the side.
Which Screen Protector Should You Choose for Your Smartwatch?
When choosing a screen protector for a smartwatch, the exact model, screen size and shape are essential. Different generations may have different dimensions or screen curvature. The range includes various types of tempered glass as well as more flexible protective materials.
Classic / Flat Glass
Protective glass designed primarily for the flat surface of a smartwatch display.
Full Body / Full Body Slim
Protective glass combined with a case that protects both the screen and the body of the smartwatch.
UWF / UWF Metallic
Glass protectors with extended screen coverage. Metallic features a metallic finish on the glass.
Plexiglas
Transparent screen protection made from a durable plastic material that is lighter and more flexible than classic tempered glass.
Hybrid Glass
Combines the properties of tempered glass and a protective film. Its more flexible construction allows it to adapt better to the shape of the screen.
What Do Other Screen Protector Labels Mean?
A single screen protector may combine several technologies and features.
Anti-Glare / Anti-Reflective
Coatings designed to reduce glare or light reflections.
Anti-Blue Light / EyeCare
A coating designed to reduce the amount of blue light passing through the glass.
Ceramic / Ceramic II
A more flexible protective material.
2D / 2.5D / 3D
Terms describing the shape and curvature of the glass. The exact design depends on the manufacturer.
9H Hardness
Indicates surface scratch resistance according to the pencil hardness test, not that the glass is unbreakable.
Oleophobic
A surface coating designed to reduce greasy fingerprints.
Applicator / FastFit / Quick Set
A tool designed to make glass application easier and more accurate.
Tempered Glass or Protective Film?
Tempered Glass
Made from a strong, hard material that offers high scratch resistance and helps protect the screen against damage.
Protective Film
Thinner and more flexible, it is primarily designed to protect against minor scratches and can adapt better to curved surfaces.
Rear Camera Protection
In addition to the screen, you can also protect the rear camera of your mobile phone.
Tempered Glass for Rear Camera
Helps protect the outer surface of the camera against scratches. Available with or without a frame.
Protective Camera Lens Cover
Individual protective covers for camera lenses that help reduce the risk of scratches during everyday use.
How to Apply Tempered Glass Correctly
The application process may vary slightly depending on the manufacturer and type of screen protector.
1
Check Compatibility
Place the glass against your device and check the dimensions, shape and cutouts.
2
Clean the Surface
Remove grease, dust and dirt using a suitable cleaning kit.
3
Align the Glass
Check its position and use the supplied applicator if included.
4
Apply the Glass
Follow the manufacturer's instructions and ensure proper adhesion.
5
Finish the Application
Remove any remaining air bubbles.
When applying rear camera protection, make sure it does not obstruct the camera lenses or flash.
Frequently Asked Questions
Is tempered glass suitable for curved screens?
Yes, provided it is designed for the specific device model. For curved screens, the correct shape and attachment method are particularly important.
Can tempered glass affect touchscreen responsiveness?
Yes, especially if it is not compatible with the device or has been applied incorrectly.
Can tempered glass affect the fingerprint sensor?
Yes, it can. This depends on the phone model and the glass protector. Some devices may require you to register your fingerprint again.
Can tempered glass be used with a protective case?
Yes, provided they are compatible. The case must not press against the edges of the glass and cause it to lift.
Can tempered glass be reused after removal?
It is generally not recommended. Removing the glass may damage the adhesive layer or allow dirt to get underneath it.
When should tempered glass be replaced?
If it is cracked, chipped at the edges, heavily scratched or no longer adheres properly to the screen.
Can a camera lens protector affect photo quality?
Yes. Damaged, dirty or incorrectly applied glass may cause reflections, blurring or reduced photo quality.
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