Features: Due to different positions of the back cover with varying force capacity, it is recommended for use with the camera module of iPhone 11 and above models for repair purposes. (Recommended to use after removing the camera, face ID, battery, and motherboard). For glass back covers of other models, it is recommended to adjust the rear end spring and loosen the rear end cover to proper strength before use to avoid damaging the back cover. Do not use a screen breaking tool to pry the edge of the glass back cover. Pay special attention not to damage the wireless charging coil located in the middle of the glass rear shell. Product use: Applicable to most glass-structured mobile phone back covers and camera modules available in the market. Specifications: Product name: Mobile phone glass back cover blasting pen Product model: iRock5 Net weight: 41g Gross weight: 52g Product size: 102x18x18mm Note: No retail packaging Allow 0-1cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the image may not reflect the actual color of the item. Thank you! Package includes: 1 x Cell Phone Rear Glass Cover Breaker Tool