Amazon.com: Galaxy S21 Ultra Back Glass Cover Replacement for Samsung Galaxy S21U S21 Ultra 5G SM-G998B G998U G998U1 G998W Housing Door with Camera Glass Lens Parts and Pre-Install Tapes (Phantom Black) :
Original Samsung Galaxy S21 Ultra 5G G998U1 S21U 6.8" ROM 128GB RAM 12GB Snapdragon NFC Unlocked 5G Mobile Phone - AliExpress