OEM touch digitizer screen glass replacement part. Perfect replacement for the damaged or non-working digitizer touch screen This is the part you require if you have damaged the front glass on your tablet and it is cracked, or if the touchscreen is not responding to any input The OCA (Optically Clear Adhesive) is one of the important raw materials of touch screen. Made no optical acrylic adhesive backing material, then in the upper and bottom, and the laminating layer from type membrane, is a kind of the joint tape substrate material The OCA Tape Film is a highly-specialized film that offers excellent clarity and adhesion to various types of transparent substrates. OCA tapes are applied in transparent applications, such as in displays, touch panels and other devices requiring an optically clear bond Specialized to perfect fit with your device and NO cutting necessary Note: Highly recommend professional installation. We will not be held responsible for any damages to your cell phone/mobile phone that you may cause during the changing of replacement parts Each item has been checked and in good condition before shipping This is not an easy job for someone who has no technical skills with Disassembling or Assembling Cellphones/mobile phones, so only purchase this item if you know how to install it