Lifetime Warranty: We promise that each Samsung Galaxy S20 Plus Tempered Glass Screen Film will pass through high standards of strict test before packaging to ensure Every customers will get the best product and survice If you have any question, we will reply you in 12 hours. Before we install the protector, we should know it: 1. Open the "Settings", and go to "Display" 2. Pull down the bottom to find "Touch Sensitivity", open it and adjust to the highest. (Please don't ignore this step, otherwise it will cause the fingerprint not to be recognized.) 3. Then enter the interface for adding a biometric fingerprint module 4. Then attach a protective film and enter the finerprint to complete. Ultrasonic Fingerprint Compatible Tempered Glass Screen ProtectorApplicable to: Samsung Galaxy S20 PlusFeatures: 3D Curved, Edge to Edge Full Coverage Bubble Free Guaranteed Ultrasonic Fingerprint Support 0.15mm Slim Surface, High Touch Sensitivity 99.98% High Transparency, Perfect Visual Experience 9H Hardness, Scratch-resistance and Drop-resistance Case-Friendly: Specially design for Galaxy S20 Plus in most cases. You Will Receive: 2 X Galaxy S20 Plus Screen Protector 2 X Camera Lens Protector 1 X Installation Tool Kits 1 X Installation Book