
When it comes to applying a UV-tempered glass screen protector on a curved smartphone display, a common question arises: Is UV-tempered glass safe for your phone’s display?
The question becomes even more significant when mobile brands include warnings on their packaging and websites, such as:

So, is UV-tempered glass harmful to your phone?
The Short Answer: No, It’s Not Harmful.
UV-tempered glass is generally safe for your phone. However, there are some situations where it might cause problems:
- Long-Term Use Without Replacement
If you don’t replace the tempered glass for a long time, it might lead to minor issues, such as glue residue on the display. - Improper Installation
During installation, if the liquid adhesive seeps into sensitive areas like the speaker or volume buttons, it could damage the hardware.
Solution
To address these concerns, many tempered glass kits, like FAVJIP® 3D Curved Tempered Glass, include protective stickers. These stickers can cover openings such as speakers and buttons during installation, reducing the risk of damage. When precautions are taken, your phone’s hardware is unlikely to face any problems.
For step-by-step guidance, check out our UV Curved Tempered Glass Installation Guide video.
Alternatives to UV-Tempered Glass
If UV-tempered glass isn’t for you, there are other options:
- Self-Adhesive Curved Glass
Contains a sticky layer that might interfere with the functionality of in-display fingerprint sensors. - Membrane Protectors
These work well with fingerprint sensors but offer less protection for your display.
Since the primary purpose of a screen protector is to protect the display, choosing the right one is crucial.
Final Recommendation
If you want strong protection for your display along with a functional in-display fingerprint sensor, UV-tempered glass is the best choice.
Choosing the right screen protector is essential to safeguard your smartphone’s display while maintaining its functionality. UV-tempered glass offers an ideal balance of protection and usability when installed correctly.
For a smooth installation process and to ensure your device remains safe, always follow the recommended steps and use the tools provided. If you have any questions, feel free to check out our detailed guide or leave a comment below.
Thank you for reading! Protect your phone, and enjoy a worry-free experience with FAVJIP® 3D Curved Tempered Glass.

One comment
Riajul Sk
Very important information, Thank You Sir.