Product Name: COMPATIBLE Huawei Y.9S Back Cover – Black
Compatible Model: Huawei Y9s (STK-L21, STK-LX3) – Midnight Black variant
Type: Battery Cover / Rear Housing Replacement
Function: Protects internal components; restores original look and feel; replaces cracked or broken back cover
Installation: External repair (requires heat gun and adhesive)
Condition: Compatible Replacement Part
Usage: Suitable for Huawei Y9s back cover replacement (black)