How to Install Havoc-OS v3.12 Official Android 10 on Samsung Galaxy A30. Havoc-OS 3.12 is based on AOSP, inspired by Google Pixel and brought to you by skulshady@sourceforge.net. Havoc-OS v3.12 comes with ROM OS Android 10 Q offers more features, light and FingerPrint worked. Dual SIM Card worked but not support voLTE. This ROM Required: • Read More »