Apologies if I missed this but how did you get it working? About the only thing I've missed since moving from EE and I see it's not listed for the 6 yet.
I went onto o2 echat customer services and their csr requested wfi calls to be activated-upto 24hours
wifi calls were working from next morning though I didn’t get a text I activeted via iphone 6 settings
As previosly mrntioned Ididn’t get please contact your provider message which I used to get before contacting o2 echat
Call quality is excellent and battery life has possibly improved as mentioned by another macrms post
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I went onto o2 echat customer services and their csr requested wfi calls to be activated-upto 24hours
wifi calls were working from next morning though I didn’t get a text I activeted via iphone 6 settings
As previosly mrntioned Ididn’t get please contact your provider message which I used to get before contacting o2 echat
Call quality is excellent and battery life has possibly improved as mentioned by another macrms post