Khadas Edge Android Firmware Qt Edge_Qt_V220926 Edge_Qt_V210630 Edge_Qt_V210521 Edge_Qt_V201223 Edge_Qt_V200908 Edge_Qt_V200709 Pie Edge_Pie_V191227 Edge_Pie_V191205 Edge_Pie_V190912 Edge_Pie_V190816 Edge_Pie_V190719 Edge_Pie_V190701 Nougat Edge_Nougat_V190624 Edge_Nougat_V190614 Edge_Nougat_V190527 Edge_Nougat_V190315 Edge_Nougat_V190126