upgrade MX4 from 5.1.1.1.0G not installing-Flyme Official Forum

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halucigenia Credits 47 halucigenia Donut Donut, Credits 47, For the next level needed 123 Credits 2 Threads 8 Posts 47 Credits Gold:16 Sign In:1 Messages Add friend	upgrade MX4 from 5.1.1.1.0G not installing 1793 1 2018-03-17 18:04 Ascending ^Author Hi, I have a Meizu MX4 that seems to be stuck on 5.1.1.1.0G I have tried to upgrade from the onscreen prompt, from settings, and copying update.zip to the phone and running that. Neither method works as it fails on checking firmware - giving the warning "firmware corrupt". Can anyone suggest how I can upgrade this device?
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halucigenia Credits 47 halucigenia Donut Donut, Credits 47, For the next level needed 123 Credits 2 Threads 8 Posts 47 Credits Gold:16 Sign In:1 Messages Add friend	2018-03-17 21:57 Ascending ^#2 Does this How to install (I) International firmware on your Chinese-mainland Meizu. still work for newer firmware - the converter is called Converter_system_Lollipop.zip Since I am having trouble upgrading my MX4 from 5.1.1.1.0G to any newer firmware is this method worth a try?

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upgrade MX4 from 5.1.1.1.0G not installing