裡面也提到please do it under Nougat 7.0 firmware installed.
也就是說你要降7.0要用7.0的韌體,而降韌體到7.0必須s-off。
再看xda這帖6樓悲劇,s-on已升8.0的韌體去刷ruu的結果
Please Help ( Cid : HTC__034, S-on,Oreo Firmware
I want to Nougat.But RUU flash show me 12 zip error.
You must be S-off.WTF PEOPLE READ AT LAST SOMETHING ABOUT WHAT YOU WANT TO DO ON YOUR DEVICES.