Wi-Fi Calling FIX - Do not follow if it is working

Credit: Ryan aka hazarjast
as always if ain't broke! (leave it alone)

What this does?
Alters modem profile to "Generic"
removes auto APN
Essential Step - APN must be correct

SDX62 - RM520N-GL

command A: AT+QMBNCFG="AutoSel",0

command B: AT+QMBNCFG="Deactivate"

command C: AT+QMBNCFG="Select", "ROW_Generic_3GPP_PTCRB_GCF"

second command will not prompt ok

SDX65 - RM521F-GL

the commands are slightly different
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