Default Are there any chances of installing a custo rom?

Hello, I bought this phone fro china it seems to be a decent phone, but I can't help it when it comes to the software. This phone is called Lenovo s820T( of course it is a reproduction) but is there any chance to get other ROM on it? Because the Hardware has some potential:

Hardware

And this is a snap of a section 'About phone'

About phone