Feature:1. Compatibility: Back glass screen replacement is designed for Razr 40 Ultra, glass screen spare parts kit, cover with OCA glue. Please check your phone model before purchase.2. Accurate Design: Professional pre cut glass replacement, the back screen replacement is made from glass, easy and fast repair. After repairing, does not affect the use of functions of the phone.3. Back Glass Screen Replacement: This back glass screen replacement for Razr 40 Ultra is used to repair your broken, damaged, or scratched outer screen glass. Give you a good touch feeling.4. Repair Tools: It comes with a full professional repair kit. It will be much easier for you to remove the broken back glass door. Please be patient and careful if you want to try to replace it.5. Note: We are not responsible for any damage caused during installation. Professional installation is highly recommended to replace this part. If you want to try, there are plenty of guides available online. Follow step by step videos and you can install it. Not included installation instruction, not recommend to install it without any experience.Specification:Item Type: Phone Back Glass Screen ReplacementMaterial: GlassCompatible: For Razr 40 Ultra.Package List:1 x Phone Back Glass Screen Replacement3 x Plastic Films1 x Phone Stand1 x Cleaning Cloth1 x Auxiliary Tool1 x Storage Bag