how to downgrade to 5.1.11.0g to 5.1.3.4g

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2016-12-16 15:01

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hi, I have a meizu m3note and I tried to download the 5.1.3.4g version but when I try to install it, there is a written wich say that the firmware is too old. (i'm 5.1.11.0g version)  how can I downgrade?