There are 4 steps to getting WiFi calling enabled @Sammy-Jo.
Before you do that you need to make sure it is on the approved list:
https://www.o2.co.uk/connectivity/wifi-and-4g-calling
Once you know your phone is supported then:
1 - o2 have to turn it on for your account
2 - you have to turn it on in your My o2
3 - you have to turn it on in the settings for your phone.
The easiest way to get in touch with o2 customer services is through social media - you can message O2 on Facebook (https://o2uk.co/O2CFB) , Twitter (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG)
Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).
Link to our guide on how to contact them can be found here
