Meizu note m3 full backup (back to 5.1.3.4G

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2017-01-25 23:46

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Help!
2days ago I updated my note m3 to 5.1.12 and from Monday I can't stand more error and lag on phone. I want backup .zip or PC app to recover early rsoft because when systemboot starts after second appear communication about old system version next over this boot can't find a boot file. what's happen??
greet