I want to change the ringtone on the phone Mi 8 ( MIUI 11)

[Labiche]

Hi.
I want to change the ringtone on the phone and set it differently for each SIM (I have a Mi 8 with MIUI 11 from Xiaomi.eu), but I don't know how to do it; Can someone help me?. Thank you.

 

[Labiche]

Nobody can help me?

 

[Labiche]

Hi.
I think that in MIUI 11 you can also set a tone for each SIM, but what I'm trying to say is that I don't know how to