Replacement rear back cover for SAMSUNGsung Galaxy S21 (SM-G991B / G991U)

Black / Phantom Black color - matches original black variant with matte finish

Precision-molded polycarbonate with pre-installed adhesive for perfect fit and secure attachment

Part of the S21's contour-cut design that seamlessly blends with the camera housing

Restores phone's original appearance and protects internal components

High-quality construction with premium feel

Easy installation - simply heat, remove old cover, and apply new one

Essential repair for cracked, scratched, or damaged back covers on black S21 variants