How to Install CAOS v305 Android 11 for Samsung Galaxy A50. CAOS (Custom AOSP OS) is a project which based on phhusson’s Treble AOSP GSI. This update comes with built-in Magisk Root. It does not support voLTE and FingerPrint under display. To install this Custom ROM, your phone must be installed TWRP Recovery. Use at • Read More »