Back cover or battery cover black by Xiaomi Watch S3

Black back cover for Xiaomi Watch S3 – High-quality compatible replacement

Restore the original look and performance of your Xiaomi Watch S3 (Bluetooth and eSIM versions) with this black back cover, a durable and precisely designed replacement ideal for fixing cracked or damaged rear housings.

Made from heat- and moisture-resistant materials, this cover includes cutouts for biometric sensors and magnetic charging. It matches the original shape and fit and may include a sealing gasket to help preserve water resistance if installed properly.

Key features:

• Color: Black

• Cutouts for sensors and magnetic charging port

• Compatible with Xiaomi Watch S3 (Bluetooth / LTE eSIM)

• Designed to support waterproofing if correctly installed

Benefits:

• Restores both appearance and sensor functionality

• Perfect fit with alignment for health sensors

• Protects against dust, sweat, and moisture

• Ideal for professional or advanced DIY repairs

Installation tips:

• Check whether your unit uses screws or snap-in mounting

• Use a precision tool to remove the old cover safely

• Inspect and clean the sealing gasket if present

• Avoid touching the lens of the heart rate sensor

• Test charging and sensor functionality before final closure

Technical table:

We also stock straps, displays, and other parts for the Xiaomi Watch S3. Choose smart repair options with dependable replacement components.