✔【Compatibility】: Compatible with Samsung Galaxy S21 FE G990U G990U1 G990B. Please check the model number of your device before purchasing this item. ✔【Replace】: It is the best replacement for your old, broken, scratched, cracked, damaged LCD screen front glass lens. It is the perfect replacement for your old, broken, scratched, cracked, damaged LCD screen. ✔【Quality】: All products have passed the strict double tests of the company and the factory and are 105% in good condition before shipment. ✔【Installation】: This is a highly technical procedure generally performed by professional engineers. We strongly recommend you to watch the videos on YouTube to prepare your repair job and strongly recommend you to let the professional engineer to operate to reduce the risk of phone damage. ✔【Service】: If you have any questions, please feel free to contact us and we will respond as soon as possible. nice LCD