Has.007 i tried wipe system data cache its showing unable to mount system data n cache unable to flash any rom
DOWNLOAD TWRP from this link and flash...
First of all, i'm so sorry for not posting a log, i'm currently in the process of learning all of this thing of changing rom and stuff, so i apologize.
Second thing, English isn't my native language so sorry if something is not understandable.
Pretty sure the 4A won't receive official Nougat.
Received already sir.