(adsbygoogle = window.adsbygoogle || []).push({}); hi...im on 4.65 ferrox cfw but i need to install 4.55 cfw...i have qa flag not enabled....how can i downgrade it???i tried to install any cfw and any 999 downgrader with no results(file is corrupted error.....)....please help me!!!i need to downgrade to 4.55 cfw!!!!!any qa toggle on 4.65 not works!!!!!!
ps:sorry for my english!!!

i tried also from recovery menu with no results!!!!!!!!!!!