As title says in this article you can download the newest operating system Freeme OS 2.0 for Leagoo M5 Edge smartphone. Below we will provide for you download links.
And if you for some reason you need older version like Freeme OS 2.0 v2.04, then you can download from here.
Also don’t forget that this firmware is for Leagoo M5 Edge with Mediatek MT6737M CPU.
If you don’t know this operating system is based on Android Marshmallow 6.0. And remember all this you are doing on at your own risk. Because sometimes something can go wrong and you can brick your smartphone permanently or temporarily.