Can't update Meizu MX5!

Hello everyone.

Im new in Meizu family and Flyme OS world.

I’ve got a Meizu MX5 with Flyme OS and i want to upgrade it to or I have downloaded the update’s but when i try to upgrade and click on the update.rar the only action that it let me its View and Extract. Its not an executable option like in every videos that i saw on internet.

What;s wrong? Or what i have done wrong?

Thanks a lot guys!

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