In my case, before using twrp from vovan77, i'm using 3.1.1-1 official. I can't flash this ROM (it said error 7)
Update from twrp, (wipe dalvick + cache 1st), select image, choose twrp from vovan77 (twrp 3.2.3-0 CMIIW), Then reboot to recovery. It will be 3.2.3-0 version.
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