How to Root Galaxy A50s BTI1 Firmware with Magisk v21.0 Android 10 Q Security Patch Level 2020-09-01. It uses TWRP 3.4.0.0 ( patched magisk ) + Quantum Kernel v1.50 (by halcyon441). After flash TWRP Recovery you can Install custom ROM. It may be work for A50s variants SM-A507FN and SM-A507F. Read notes / Warning on • Read More »