For Samsung Galaxy Active2 44mm (R820) , 40mm (R830) - Replacement Rear Housing Glass Panel - Black

Restore the biometric sensitivity and environmental protection of your wearable with this High-Grade Rear Glass Replacement. Specifically engineered for the Active2 series (40mm & 44mm), this component is the definitive hardware solution for resolving cracked sensor lenses, scratched heart-rate monitor glass, or glue-failure on the back panel. Manufactured to original optical transparency standards, it ensures the infrared and green LED sensors can accurately penetrate the surface for reliable ECG, SpO2, and heart-rate tracking. This panel provides a factory-quality fit to maintain the device's sleek profile and protect the sensitive internal sensor array from moisture and debris.