iCarez [HD Clear] Screen Protector for HTC one A9 / HTC Aero [ Unique Hinge Install Method With Kits ] 3-Pack Easy Install with Lifetime Replacement Warranty Hard coated for Scratch Proof (Hardness: 3H-4H),Compatible with HTC one A9 / HTC Aero Dry Application: Easy to Install and Remove (Bubble-Free / No Residue) High Definition Transparency Film that ensures maximum resolution for RETINA Display TrueTouch Sensitivity and antibacterial for an invisible and perfect protection on touch screen Perfect cutouts on the front not to interfere with sensors or responsiveness