HOW TO UPDATE FIRMWARE?

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2018-01-21 13:18

Edited by dojojo at 2018-01-21 13:29

The seller from whom I bought this phone disabled the update function. So there is no system update app. Is there anyway to update it. I have Meizu M6 note(M721Q) 4gb/64gb. And I am currently on 6.1.4.3A.I have downloaded the latest global firmware. Pls help!