Android 5.1.1 for NEO X5 Mini

Hello everyone,

I was wondering if it's possible to install Android 5.1.1 for the NEO X5 Mini? I am looking to install an app but it appears to be incompatible with 4.2.2.

My understanding is that 4.2.2 is the latest firmware from this site, but is it possible to install a 5.1.1 version from somewhere else without the risk of bricking the device? And if so, what would be the method for installing said firmware on the NEO X5 Mini?

Thanks in advance.

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