Who has a H850 with VoWifi working here?

Hello,

I've spent several hours to try to make working VoWIFI and VoLTE on my G5 (H850). I always see "IMS not registered" although all options for VoWiFI and VoLTE appear in the menus (such as IMS settings). If you go the hidden menu *#*#4636#*#*, Phone Info, IMS status, do you see yours registered? "VoLTE provisioned" and "Wifi Calling Provisioned" are both toogled on mine. But "IMS Registration" always keeps on "not registered".

I've read we need a file called mcfg_sw.mbn compatible...

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