Introducció
This manual provides comprehensive instructions for the installation, use, and maintenance of your ZAGG InvisibleShield GlassFusion VisionGuard+ screen protector for the Samsung GS21 (6.2"). This product is designed to offer robust protection for your device's screen while filtering harmful blue light.
Què hi ha a la caixa
Your ZAGG InvisibleShield GlassFusion VisionGuard+ package includes the following items:
- InvisibleShield GlassFusion VisionGuard+ Screen Protector
- EZ Apply Tray (Installation Tray)
- Cleaning Wipe (Wet Wipe)
- Tela de microfibra
- Adhesiu d'eliminació de pols
- Guia d'instruccions

Image: ZAGG InvisibleShield GlassFusion VisionGuard+ package contents.
Configuració i instal·lació
Follow these steps for a precise and bubble-free installation of your screen protector.
Pas 1: prepareu el vostre dispositiu
- If an existing screen protector is present, carefully remove it.
- Thoroughly clean your device screen using the provided cleaning wipe to remove smudges and oils.
- Dry the screen completely with the drap de microfibra.
- Utilitza el adhesiu d'eliminació de pols to gently tap the screen surface, picking up any remaining dust particles.
Step 2: Position the EZ Apply Tray
- Col·loca el EZ Apply Tray on a flat, stable surface with the alignment pegs pointing upwards.
- Carefully place your Samsung GS21 into the tray, ensuring the top of your phone aligns with the end of the tray marked "Top".

Image: Phone positioned in the EZ Apply Tray.
Step 3: Prepare the Screen Protector
- Peel away the protective backing from the InvisibleShield GlassFusion VisionGuard+ using the tab marked "1". Avoid touching the exposed adhesive surface.
Step 4: Apply the Screen Protector
- Carefully place the InvisibleShield onto the EZ Apply Tray. Align the cutouts on each tab of the screen protector over the corresponding pegs on the tray. The exposed adhesive side should face down towards your phone's screen.
- Run your finger across the width of the phone in one quick motion to anchor the InvisibleShield in place.
- Starting from the center of the screen, use the escombradora to push any air bubbles towards the top edge of the phone in one smooth motion. Repeat this process, starting from the center and pushing towards the bottom edge.
Pas 5: Finalitzeu la instal·lació
- Carefully peel away the top protective liner from the screen protector.
- Remove your phone from the EZ Apply Tray.
- Use the squeegee to smooth down the sides of the InvisibleShield, moving in one smooth motion. Avoid moving it back and forth, as this can cause bubbles.
- Finalment, utilitzeu el drap de microfibra to wipe the InvisibleShield clean of any fingerprints, dust, or debris that may have accumulated during installation.
Step 6: Recalibrate Fingerprint Scanner
For optimal performance of your device's ultrasonic fingerprint scanner, it is recommended to set up or reset your fingerprint scanner after installing the InvisibleShield. You can typically find fingerprint settings by navigating to Settings > Biometrics and Security > Fingerprints on your Samsung GS21.
Vídeos d'instal·lació
Video: Installing InvisibleShield GlassFusion Screen Protection. This video demonstrates the step-by-step process for applying the screen protector.
Video: Glass Fusion+ with D3O install. This video provides an additional visual guide for the installation of the GlassFusion+ screen protector.
Característiques
The ZAGG InvisibleShield GlassFusion VisionGuard+ offers several key features:
- VisionGuard for Eye Health: The integrated Eyesafe® layer filters harmful high-energy visible (HEV) blue light from your device's screen, contributing to improved eye comfort and sleep patterns. This filtration maintains the true colors of your screen without yellowing.
- Advanced Hybrid Glass Protection: Constructed from military-grade materials combined with the properties of glass, this protector provides powerful defense. Its flexible hybrid glass absorbs shock and disperses impact, offering resistance against scuffs, scratches, and shatter damage. The design prevents chipping, which helps stop cracks from starting and spreading.
- Anti-microbial Treatment: The screen protector features an anti-microbial treatment that guards against degradation from micro-organisms.
- Ultrasonic Fingerprint Compatibility: Designed to be fully compatible with your Samsung GS21's ultrasonic fingerprint scanner, ensuring seamless device unlocking and security.

Image: Blue light filtration by VisionGuard+.

Image: Impact protection demonstration.
En funcionament
Once installed, the ZAGG InvisibleShield GlassFusion VisionGuard+ operates seamlessly with your Samsung GS21. The screen protector maintains touch sensitivity and display clarity.
Escàner d'empremtes dactilars
As noted in the installation section, recalibrating your device's fingerprint scanner after applying the screen protector is essential for optimal performance. This ensures accurate and responsive fingerprint recognition.
Manteniment
To keep your InvisibleShield GlassFusion VisionGuard+ in optimal condition:
- Regularly clean the screen protector using the provided drap de microfibra to remove fingerprints and smudges.
- For more stubborn marks, lightly dampen the microfiber cloth with water or a screen-safe cleaning solution. Avoid harsh chemicals or abrasive materials.
Resolució de problemes
Air Bubbles After Installation
Small bubbles may appear immediately after installation. These often dissipate naturally within 24-48 hours. For persistent bubbles, gently push them towards the nearest edge using the escombradora or a credit card wrapped in the microfiber cloth.
Fingerprint Scanner Not Responding
If your fingerprint scanner is not working correctly after installation, ensure you have recalibrated it. Navigate to Settings > Biometrics and Security > Fingerprints on your device to re-register your fingerprints.
Especificacions
| Atribut | Detall |
|---|---|
| Marca | ZAGG |
| Número de model | 200307343 |
| Models de telèfon compatibles | Samsung GS21 |
| Mida de la pantalla | 6.2 polzades |
| Material | Plastic, Tempered Glass (Hybrid Glass) |
| Duresa de l'article | 9H |
| Característiques especials | Anti Glare, Blue Light Filtration (Eyesafe® layer) |
| Tipus d'acabat | Mat |
| Color | Clar |
| Dimensions del producte | 7 x 4 x 0.5 polzades |
| Pes de l'article | 1.6 unces |
Garantia i suport
ZAGG InvisibleShield GlassFusion VisionGuard+ products are backed by a Garantia limitada de per vida. This warranty typically covers the screen protector for wear or damage for the lifetime of your device. For specific details regarding your warranty coverage and to initiate a replacement, please refer to the official ZAGG weblloc web o contacteu directament amb el seu servei d'atenció al client.
For further assistance, technical support, or warranty claims, please visit the official ZAGG support weblloc o poseu-vos en contacte amb el seu equip d'atenció al client.





