We are pleased to introduce our 2.5 D 9H Curve Tempered Glass Models for all brands and models of mobile phones. Our tempered glass gives extra protection to mobile screen, it’s scratch free, oil free, and it can be cleaned by glass cleaning solution easily. The best solution to clean your mobile screen is your spacs glass cleaner, which is easily available in the market. You should clean your mobile screen before applying this glass on your mobile screen. It will give you bubble free screen and long life. You clean the mobile screen surface with solution, and use very soft fabric or tissue paper to make screen surface dry. After that slowly start with bottom of screen surface and press glass towards upper side of the mobile screen. Use a soft fabric to remove bubbles from the screen, if any. Generally this glass does not absorb air but in case your mobile screen is not cleaned properly, you may find some bubbles. So start pressing glass towards sides to remove all bubbles if any. In few seconds, you will see that all bubbles are gone. But some times when you use mobile back cover, your back cover may remove your glass from the screen surface and create some air bubbles. So choose your back cover very smartly and then apply this tempered glass on your mobile screen surface. Safety Information: Never Try to install under Fan, Dusty atmosphere. Otherwise it will create lot of bubbles. Screen should be cleaned in all directions and then put this tempered glass on mobile screen, press once in the middle of the screen. It will automatically set.