You should get a full new LCD screen and digitizer when your Xiaomi Redmi 4 Prime screen cracked, touch response issues. The OEM screen replacement full assembly may be the part you are looking for.
Screen Size: 5.0 inches
Color: Gold, Dark Gray, Silver
Compatibility: Xiaomi Redmi 4 Prime
Phonelcdwholesale.com is the best place to buy for Xiaomi Redmi 4 Prime screen replacement and digitizer. Each item was double tested before shipping and working perfectly.