Does any one know if WiFi and/or 4G calling is possible on non-O2
supplied MIUI devices like mine? It is enabled in my account, but
there's no option to permit it under my SIM card settings, so I'm
Thanks @Cleoriff .I had already checked this and it is enabled.As
mentioned above "It also needs to be enabled on your account by customer
service (regardless of what your MyO2 says)" which is what I've seen in
some other posts on the subject, hence ...
Thanks @Cleoriff , @pgn . I contacted Customer Services who said it was
enabled on their side (though I'm not fully convinced they knew what I
was asking about - they just said "WiFi is enabled). It's not critical -
i just have a poor O2 signal at ho...