You can now turn on wifi calling on your Xiaomi phone when your network is weak. With the wifi call activated on your Xiaomi phone, you can make calls over an existing WiFi network. To make wifi calling work, your network provider must support it.
So before following the method below, make sure your service provider supports wifi calling. Another thing is that most SIM comes with a wifi calling feature. But if you can’t find it there, then you can enable it by dialing the following combination *#*#869434#*#* on your dial pad or phone all.
How to turn off/on Wifi Calling on Xiaomi Redmi and Poco Phones
Step 1: Tap on the Settings App.
Step 2: Next tap on the Sim cards & mobile network.
Step 3: Choose SIM cards (dual SIM).
Step 4: Now you can enable or disable Make calls using wifi
Here you have the solution on how to turn off or on wifi calling on your Xiaomi phones.
