Gtab Q77 Flash File Firmware Mt6572 4.4.2 Hang Logo & Dead Fix Stock Rom 100% Tested Gsm Manik 7:54 PM MT6572__K0788__Q77__kt07c_honghd__4.4.2__KT07C.3G-20151008 MT6572__K0788__Q77__kt07c_honghd__4.4.2__KT07C.3G-20151008 Brand : K...