Tempered glass screen protector for Samsung Galaxy A40 by extra digital — 3D curved, black

Tempered glass screen protector for Samsung Galaxy A40 by extra digital. The protector is 0.33 mm thick, features 3D curved corners and a black frame to match the device bezel. Made from tempered glass with 9H hardness on the Mohs scale, it is designed to protect the phone display from scratches, impacts and everyday mechanical damage while preserving touch sensitivity and display clarity.

Advantages

The protector offers 9H hardness on the Mohs scale and is produced by tempering, which increases its mechanical strength compared with ordinary glass. At 0.33 mm thickness it maintains the original touch experience while providing reliable protection. High optical transparency (about 98% light transmission) preserves screen brightness and colors. The adhesive layer ensures even and secure attachment to the display, while shatter-proof design makes broken fragments remain bonded to the film. 3D rounded corners follow the original screen profile for a precise fit and minimal visible edges.

Suitable for

• Everyday protection against scratches from keys, coins and other sharp objects
• Protection from minor impacts and abrasion during daily use
• Maintaining touch sensitivity and display clarity on Samsung Galaxy A40

Key specifications

• Compatibility: Samsung Galaxy A40
• Material: Tempered glass
• Hardness: 9H (Mohs scale)
• Thickness: 0.33 mm
• Transparency: ~98% light transmission
• Design: 3D curved corners, black frame
• Included items: tempered glass, microfiber cleaning cloth, alcohol cleaning wipe, dust absorber stick

How to use

Clean the phone screen thoroughly using the included alcohol wipe, then remove dust with the dust absorber and finish with the microfiber cloth. Align the tempered glass with the Galaxy A40 display, ensuring the 3D curved edges match the screen outline, then gently lower it onto the screen. Press the center of the protector to activate the adhesive and smooth out any remaining bubbles toward the edges.

Usage recommendations

For best results, install the protector in a dust-free environment and avoid repositioning after full adhesion. Use the included cleaning accessories to maintain display clarity and check the protector periodically for damage; replace if the protector is cracked or heavily scratched.