Miui 8 To Miui 9

[iamalex]

I am at miui 8 stable and now there is miui 9 stable out.....do i need factory reset or i just install the new rom....???

 

[Soebianto]

I am at miui 8 stable and now there is miui 9 stable out.....do i need factory reset or i just install the new rom....???

Just install it, no need to factory reset unless you want it.

don't forget to backup your important data.