Instructions for use: 1. Due to different positions of the back cover and varying force requirements, it is recommended to use this tool for repairing camera modules on 11 and newer models. (Recommended to use after removing the camera, face ID, battery, and motherboard.) 2. For glass back covers on other models, adjust the rear end spring and loosen the rear end cover to achieve proper strength before use to avoid damaging the back cover. 3. Do not use a screen opening tool to pry the edge of the glass back cover. 4. Avoid damaging the wireless charging coil located in the center of the glass rear shell. Product name: Mobile phone glass back cover opening tool Product model: iRock5 Net weight: 41g Product size: 102 x 18 x 18mm Product use: Designed for use with most glass-structured mobile phone back covers and camera modules available on the market Color: Gray Material: Metal Package Contents: 1 x Glass opening tool Note: Light and display differences may cause slight variations between the color of the item in the image and the actual product. Measurement allows an error of +/- 1-3cm.