I (and Customer Services) have a problem getting these services up and running on my new O2 Sim only contract (with ported in number from Vodafone). I've enabled the service in MyO2. All other services, including 4G (VoLTE Off) and Wifi work normally.
On my iPhone 11 Pro Max, when I attempt to select the "4G, VoLTE On" option I get the following error back "Cannot Activate 4G Calls, To enable 4G calls on this account, contact O2." When I attempt to enable Wif-Fi calling I get this message "Wi-Fi Calling, To allow Wi-Fi calling on this account, contact O2."
I have tried the usual rebooting of the phone, resetting network settings and checking the apn details are correct. I have also tried the sim in a Samsung Galaxy S8+, but the option to enable 4G calling is greyed out. I've also been on different cell sites and different Wi-fi networks.
An O2 Guru tried removing the service from my account and then adding it again, but again this didn't make the service available on either device. This has now exhausted the help O2 Customer Services can offer so I'm wondering if the wider community has any helpful ideas before I go grovelling back to Vodafone...
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Hi @O2John and thanks for getting back to me.
Sorry for the slightly scattergun approach, can't believe I managed to miss the two you tagged in!
Yeah, I don't think this is a device issue either, but it'll be nice to get the issue bottomed out for everyone one way or another. Especially as this is such a deal breaker for those of us who use our phones indoors and only have a short cooling off period to establish if O2 is suitable!
@GMF no problem at all. Just part of our escalation process as we have no account access.
I checked my suspicion with a colleague, same gut reaction that the issue is down to your devices not having O2 Accredited Firmware. If we're right (and we usually are pretty bang on with our gut reactions), this may not be resolvable.
Fingers crossed though. I'll leave it in the hands of the escalation process now.
As I'm sure you know, there is no custom firmware for iPhones.
The only network influence is the carrier file, which should update automatically or which can usually be forced to update (if necessary) by connecting to iTunes.
However, my gut is saying it's due to you being new and O2's systems haven't caught up with everything yet.
Not sure where it's stored but Settings >General >About and mine is O2 41.0 @GMF
Having done my morning reboot of my phone, I can confirm that both elements are now correctly working! Whether time, the great healer, or Cust Services fixed it, I can't be sure.
I hope other customers experiencing this problem after a port-in have had their service fixed and get reassurance that they don't have a problem with their iPhones and that it can be resolved successfully.
However, @O2John , please send my apologies to your gut as it failed you on this one 😛
Great to hear it's working now @GMF ! Thanks for letting us know.
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