Universal Automatic Screen Attach Machine for iPhone 5 & 5C & 5S, iPhone 4 & 4S, Galaxy S IV i9500, Galaxy Note II N7100, Galaxy S III i9300, Mobile Phones within 5.8 inch 1) This machine is used to help attach the screen protector to your mobile phone easily 2) Quickly and precisely sticker screen protectors 3) Can protect the film surface, non-scratching and no bubble 4) Automatic adhesive technology, creates a new era of film 5) This machine is suitable for all mobile phones within 5.8 inch, great for professional cellphone screen film attaching 6) Height of the cover is adjustable 7) Suitable for mobile phone height: 102mm-140mm 8) Size: 140mm x 65mm x 20mm 9) Weight: 65g Instructions: 1) Turn the film of the machine upwards, then put your mobile phone on the slot 2) Adjust the height of the cover, and makes the film as the same level as your mobile phone 3) Clean the mobile phone screen with cleaning cloth 4) Put the screen protector on your phone and align it 5) Fix the screen protector and push the film of the machine downwards so as to they attach together 6) Tear the two stickers of the screen protector 7) If there is bubble, please squeeze it