Using 14 Ultra with 1.0.15 rom.
I tried *#*#869434#*#* and enabled the "Make calls using Wi-Fi" option. it says it will do it "whenever possible"
I find that it never uses voWIFI. I have to enable airplane mode and connect to WIFI, in order to use WIFI for a call.
Note, I do have "Use voLTE" checked as well, but the entire setting is greyed out. Not sure if that affects anything.
I tried *#*#869434#*#* and enabled the "Make calls using Wi-Fi" option. it says it will do it "whenever possible"
I find that it never uses voWIFI. I have to enable airplane mode and connect to WIFI, in order to use WIFI for a call.
Note, I do have "Use voLTE" checked as well, but the entire setting is greyed out. Not sure if that affects anything.