Product Name: Replacement Back Cover / Battery Door for Vivo S1 Pro

Compatibility: Fits Vivo S1 Pro (Twilight / Gradient color variant)

Color: Twilight (Gradient / Multi-color)

Condition: Brand New / Replacement quality

Part Type: Rear Housing / Back Cover

Design: Gradient finish transitioning between colors (similar to original "Symphony of Light" or gradient variants)

Device Specs: 6.39-inch display with 91.64% screen-to-body ratio

Function: Replaces broken, scratched, cracked, or damaged original back cover

Features: Color-matched gradient finish; precise cutouts for quad-camera module

Installation Note: Professional installation recommended

Package Includes: 1 x Back Cover (Twilight/Gradient) for Vivo S1 Pro