Problem to Update MX5

Hello everybody,

I just received my MX5 China today , having had the MX4 before I’m not lost .
By cons impossible to update the ROM I am currently 4.5.2.4A version I would like to install the version of 4.5.4.1A
But I have not the icon " Upgrade " .When I copy the file to launch Update.zip SHIFT since as I have only two option " display" or " extract " but nothing that lance.

Do you have a solution?

Thanks

There is another option in the FAQ.
https://meizufans.eu/f-a-q/

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