TL-168 Universal Screen Protector Hydrogel Cutting Machine For DIY back film Operation on hydrogel film cutting machine 1. Select your phone model on TPU film cutter 2. Scan the QR code with a mobile phone, add pictures, and upload files. 3. Adjust the image to the proper position 4. Click to print Photo 5. Start cutting printed back film 6. Stick back film to the phone Perfect fit, personalized DIY any time! TUOLI Products List of Film Cutting machine -TL-168 flexible Film Screen Protector Cutter Plotter -TL-168 plus protective film cutter machine -TL-568 MAX laminas hidrogel cutter TUOLI TL-168 / TL-568 MAX screen protector cutting machine and hydrogel screen protective films. factory directly selling. zero worry about aftersell service. we accept OEM/ODM. welcome join us ! We are looking for the global agent for this machine!