【Re-Setting Fingerprint Unlock】To to get the Finger sign in security work correctly, after installing the phone case, please go to "Settings" to activate the "Touch Sensitivity". 1.Find the"Settings" 2.Go to "Display" 3.Slide to find "Touch Sensitivity" and click. Then delete your stored fingerprint, and re-scan your fingerprint repeatedly at different angles. After that, the fingerprint unlocked will works well. 【Compatibility&IP68 Waterproof】:Only compatible with Samsung Galaxy S25 Ultra(6.9 inch). This Samsung Galaxy S25 Ultra waterproof case is resistant to water, dust, dirt, snow and spills and splashes from everyday liquids. In addition, the washable design ensures easy cleaning and keeps your phone and case always stay clean and looks like new. (Note: Please check all of the plugs are sealed before using) 【Real Dustproof & Shockproof】: Certified MIL-STD 12 ft drop test and full protection prevents your device from damage. Made with flexible rubber back cover and hard inner cover, provides shockproof and anti-drop protection and daily wear and tear. 360° full sealed ensures no dusts and dirt enter the case, protects your phone from scratches and fading. It can also work flawlessly under different weather conditions and any bad environment. Perfect for any underwater, outdoor sports and daily use. 【Built-in HD Screen Protector】: With built in screen protector, this case can prevent the phone screen from scratches as well as provides a sensitive touch and ensures a quick response. You can also experience a smooth game playing and video watching, bringing you a great touch experience. Please note that if you have already recorded your fingerprint before applying this case, please re-record your fingerprint after installing the case so that the phone can recognize your fingerprint and unlock it. 【Built-in HD Camera Lens Protectors】: With built in HD camera lens protector, it offers well protection for your valued phone cameras also provides high quality picture capturing. It can prevents scratches, water, oil and dust. Keep your phone lens in HD transparent and clear all the time. Please note that if you have already recorded your fingerprint before applying this case, please re-record your fingerprint after installing the case so that the phone can recognize your fingerprint and unlock it. SPIDERCASE for Samsung Galaxy S25 Ultra Case Waterproof, Built-in Screen & Camera Lens Protector[IP68 Underwater] [Military Grade Shockproof] Full Body Protection Phone Case, Purple/Clear