How to Flash JoyUI Black Shark ROM Android 10 Q on Samsung Galaxy A50. JoyUI Black Shark comes with MIUI Interface Android 10 Q. ROM Firmware Required: TWRP Recovery and Quantum kernel GSI. Version Information Status: It may be not Stable GSI ROM JoyUI-AB-10-20200529-ErfanGSI. To install this Custom ROM, your phone must be installed TWRP • Read More »