To install a PrivaScreen™ Blackout Filter to your smartphone, it is important to first clean the surface of your device with the included cleaning cloth to ensure all fingerprints, grease and debris are wiped away. Next, remove the clear protective backing by pulling the tab. For best results, hold the screen protector from the sides and do not touch the adhesive side of the privacy filter. Then, align the PrivaScreen™ Filter with the bottom edge of the device and button(s), and slowly roll the rest of the filter into place. If you experience any air bubbles, they can be easily worked out. Starting from the center and moving outward, work any remaining bubbles out with gentle finger pressure. Small bubbles will fade within 24 hours.