Battery Back Cover for Xiaomi Black Shark 4s / Black Shark 4s Pro(Black) Repair Tools Laser marking speed: <-10000mm/s

Laser marking speed: <-10000mm/s

Before attempting any repair

Laser engraving and marking

Simple operation

A magnifying glass with LED light

Battery Back Cover for Xiaomi Black Shark 4s / Black Shark 4s Pro(Black) Repair Tools Laser marking speed: <-10000mm/s1. Back cover replacement for Xiaomi Black Shark 4s Black Shark 4s Pro 2. Replace your broken or unworkable back housing cover with a new one 3. Each item has been checked and in good condition before shipping 4. Completely fit and work 5. Highly recommend professional installation. We will not be responsible for any damages to your cellphone mobile phone that you may cause during the changing of replacement parts Specification: General Compatible