m2 upgrade failed to flyme 5.1.6.0G

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2016-08-24 23:40

Hi

Currently my phone running on flyme OS 4.5.4I and I received a update of 5.1.6.0G. I have downloaded the update two times and both the times the update failed. Second time when I was updated, it reboots and hang on 'checking firmware', I waited for 2 hours  for complete the process but no progress. could you please tell me how to update the meizu m2 phone?