Instructions to use: 1. Remove the cover of the adhesive tape using the sticker "Pull Sticker" attached on the Tape.2. Align the Tempered glass proper on the device ensuring that the Camera Hole on the tempered glass matches with the Camera on the device.3. Press the tempered glass on the device from top to bottom, in order that the sticky part gets a hold of the device.Caution: product must be installed in a dust-free environment; applying excessive force during installation or removal may damage the Tempered glass.Clean the lcd screen properly and make sure that there are no dust on it before applying the Tempered Glass.Also remove the mobile cover,flip cover,bumpers if any placed on mobile during applying the tempered glass.In addition to their impressive impact strength, the tempered glass screen protectors resist scratches and display none of the finger distortion or drag that often comes with cheap plastic screen protectors.Tempered Glass remains nearly invisible and leaves no sticky residue or any marks behind if you decide to remove it. Premium tempered glass is shatter-proof meaning it won't splinter into sharp fragments, making it safer than regular glass. To top it all off, this screen protector has an oleophobic coating that makes it resistant to fingerprints. Phone models shown in the pictures are for illustration purpose only.