For Samsung Galaxy A51 (2019) - Replacement Battery Cover Chassis With Buttons - White

Restore the structural rigidity and tactile response of your device with this authentic-spec Mid-Frame Chassis. Specifically engineered for the Samsung A51 (4G variant), this magnesium alloy and polycarbonate frame serves as the primary internal skeleton for the logic board, battery, and display assembly. It comes pre-installed with the Power and Volume button actuators, featuring factory-calibrated tactile switches for original "click" feedback. This chassis ensures precise Z-axis alignment for internal components and provides the specific mounting tolerances required to maintain the device's original thin profile and thermal dissipation efficiency.