Attention Please•Look for a professional person to install the screen•Refer to the installation tutorial on this page (Related Video Shorts)•Test the screen by inserting the flex to the main board before installation; be sure you feel a gentle snap. If not, try again.•Confirm the phone is power off before installation.•Do not press the left and upper corners of the screen, otherwise may cause lines on the screen.•Each screw should be installed into original location, because they are not same length! Never tighten screw over limit!•Treat flex cables gently, use tools instead of your finger during installation , otherwise the screen will damage!If you meet with these issuesCannot turn on, touch insensitive, flash, lines on screen, ghost click etc.Please try this: Power off your phone, disconnect all the cables including the battery cable, clean the connector on the motherboard, reconnect the cables, leave the phone alone for a while in a dry environment, a hard reset of your phone power on.Package included1* iPhone 7 4.7inch black LCD screen1* 3M waterproof Seal1* installation manual1 * Premium ☆ Screwdriver (0.8 x 25mm)1 * Premium + Screwdriver (1.3 x 25mm)1 * Premium Y Screwdriver (0.6 x 25mm)1 * anti-static tweezers1 * Suction Cup 1 * Open Repair Pentagram2 * Open Repair Pry ToolsGet a new PhoneNo display problemsNo distortion pixelsNo cracked LCD screensNo wrong color issuesNo dead LCD