Introduzione
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.
Cosa c'è nella scatola
Your ZAGG InvisibleShield GlassFusion VisionGuard+ package includes the following items:
- InvisibleShield GlassFusion VisionGuard+ Screen Protector
- EZ Apply Tray (Installation Tray)
- Cleaning Wipe (Wet Wipe)
- Panno in microfibra
- Adesivo per la rimozione della polvere
- Guida alle istruzioni

Image: ZAGG InvisibleShield GlassFusion VisionGuard+ package contents.
Configurazione e installazione
Follow these steps for a precise and bubble-free installation of your screen protector.
Passaggio 1: prepara il tuo dispositivo
- 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 panno in microfibra.
- Utilizzare il cartina leva polvere to gently tap the screen surface, picking up any remaining dust particles.
Step 2: Position the EZ Apply Tray
- Posizionare il 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.
Passaggio 4: applicare la pellicola protettiva per lo schermo
- 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 tergivetro 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.
Passaggio 5: finalizzare l'installazione
- 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.
- Infine, usa il panno in 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.
Video di installazione
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.
Caratteristiche
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.
Operativo
Once installed, the ZAGG InvisibleShield GlassFusion VisionGuard+ operates seamlessly with your Samsung GS21. The screen protector maintains touch sensitivity and display clarity.
Lettore di impronte digitali
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.
Manutenzione
To keep your InvisibleShield GlassFusion VisionGuard+ in optimal condition:
- Regularly clean the screen protector using the provided panno in microfibra to remove fingerprints and smudges.
- Per segni più ostinati, leggermente dampen the microfiber cloth with water or a screen-safe cleaning solution. Avoid harsh chemicals or abrasive materials.
Risoluzione dei problemi
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 tergivetro 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.
Specifiche
| Attributo | Dettaglio |
|---|---|
| Marca | ZAGG |
| Numero di modello | 200307343 |
| Modelli di telefono compatibili | Samsung GS21 |
| Dimensioni dello schermo | 6.2 pollici |
| Materiale | Plastic, Tempered Glass (Hybrid Glass) |
| Durezza dell'oggetto | 9H |
| Caratteristiche speciali | Anti Glare, Blue Light Filtration (Eyesafe® layer) |
| Tipo di finitura | Opaco |
| Colore | Chiaro |
| Dimensioni del prodotto | 7 x 4 x 0.5 pollici |
| Peso dell'articolo | 1.6 once |
Garanzia e supporto
ZAGG InvisibleShield GlassFusion VisionGuard+ products are backed by a Garanzia a vita limitata. 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 websito o contattare direttamente il servizio clienti.
For further assistance, technical support, or warranty claims, please visit the official ZAGG support websito o contattare il loro servizio clienti.





