I want to remove twrp on my le2 x526 snpdgn, and i want to update it to 19s, can any tell me the procedures and what driver,software or files are needed now i m on 16s stock rom ,i av downloaded 19s stock rom around 1.82 gb, but cant flash it by twrp ,,it shows error7 n wen i tried to wipe dalvik,cache,,boot ,,it shows failed,,unknwn boot emnn....please help me,,my email id [email protected]