FiiMoo Privacy Screen Protector Compatible with Samsung Galaxy A34 5GGuide introduction Step 1: Use wet paper towel and clean cloth to clean the screen and then remove the dust with dust sticker. Step 2: Tear off separator film①, place the tempered glass screen protector in parallel to the screen edge. Step 3: Press the middle of Screen, make it attach naturally. Step 4: Press to paste with clean finger or cards and remove excess air in between. Frequently asked questions (FAQ)1, What if I receive a damaged or defective product or a crack? If the product you received is broken or defective or other issues or you have any other suggestions. Please contact us through Amazon messaging system. We will reply in 24 hours and try our best to find a best solution. 2, Why is the edge of the Screen Protector film is black? In order to make full coverage of the phone, It will not affect the appearance and use. 3, How can I get rid of bubbles? Before installing screen protector, please make sure to clean the screen as the instruction in the package. If you still find bubbles, here are some tips to deal with the problems. ①Big Bubbles: lift one corner of the screen protector to eliminate it, and then place the protector back in position. ②Tiny bubbles: please press them for about 1 minute. 4, Does the screen protector affect sensitivity or the 3D Touch function? No, Our screen protectors won't affect the touch sensitivity and 3D Touch function since the thickness of the screen protector is only 0.3mm. The screen protector is just like your Phone's original glass screen.