Q: Does this product support fingerprint unlock? A: Yes, they protect your phone well without interfering with fingerprint sensor usage. Q:How can I remove bubbles? A:If you get a bubble during installation screen protector, just lift the nearest corner to the bubble, then set it back down, and the bubble should go away. Q: How do I resolve problem if I have a product problem? A: If you can't find the installation video, buy the wrong model of screen protector, or have any questions, you can send the information to us through the Amazon Message Center.