Replacement rear battery cover for SAMSUNGsung Galaxy J4 (SM-J400F / J400G / J400M)

Black color - matches original black phone variant

Precision-molded plastic for perfect fit and secure attachment

Restores phone's original appearance and protects internal components

Lightweight yet durable construction

Easy snap-on installation - no tools required

Includes cutouts for camera, speaker, and ports

Compatible with all J4 variants