【Perfect Model Compatibility】: This screen replacement is specifically designed for the Samsung Galaxy S21 5G, fully compatible with SM-G991U,SM-G991U1,SM-G991B,SM-G991W,SM-G991N,SM-G991B/DS,SM-G990F,SM-G990F/DS. It is the optimal choice for screen repairs. 【Perfectly Solves Screen Issues】: Featuring high quality AMOLED technology, this screen supports fingerprint recognition functionality. Precise cutouts align perfectly with every button and connector, ensuring a tight fit with no gaps or misalignment. It seamlessly replaces your cracked, damaged, faded, unresponsive, or malfunctioning original screen. 【Complete Repair Kit】: Includes display with frame + screen protector + back cover adhesive + repair tools. No need to transfer old frames or purchase extra parts,perfect for DIY enthusiasts and professional technicians. 【Rigorous Quality Control】: Every screen undergoes dual quality checks before shipment, guaranteeing 100% freedom from dead pixels, scratches, bright lines, or touch failures. All functions operate flawlessly. 【After Sales Service】: If the product you receive does not function properly, please do not worry. Contact us immediately, and we will provide you with a satisfactory solution.