Im trying to follow this guide but it gets confusing, ive manage to download adb + fastboot but im not sure where i go from here.
well u need to set up adb in windows and make sure its connecting with your device
u need to flash stock then chainfire auto root
check if its entering recovery now then proceed with adb hopefully u have efs backup .tar file safe in pc or anywhere ,search google how to set adb
it seems to be an issue with efs partition,
i blv this can be even done by flashig pit file http://d-h.st/Dlv here and then the stock firmware.
and since u have never rooted use ur warranty and give it to service guys if not able to solve
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