Need help to install modem tool ( Rueban MTB - com.xiaomi.mtb)

[thinhbox]

Hi guys,

I am trying to to set sw mbn manually so that I can use VoLTE. I have a Mi 11 and just need to dial *#*#663368378#*#* to boot up modem tool and set mbn.
But the tool is not exist on Redmi note 9 pro global version (I am using xiaomi eu rom).
Is there any way to flash the modem tool?

 

[Igor Eisberg]

That phone's RIL (Radio Interface Layer) doesn't support it.