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on 11-01-2021 00:45
Accepted Solutions
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11-01-2021 05:13 - edited 11-01-2021 05:13
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11-01-2021 05:13 - edited 11-01-2021 05:13
@elucidate Not yet. Wifi and 4G Calling explained | O2
Wifi and 4G Calling is currently available on the following devices:
- iPhone SE 2020, 11, 11 Pro, 11Pro Max, iPhone Xs, iPhone Xs Max, iPhone X, iPhone Xr, iPhone 8 Plus, 8, 7 Plus, 7, 6s Plus, 6s, 6 Plus, 6, SE
- Samsung Galaxy Note20 Ultra 5G, Galaxy Note20 5G, Galaxy Note20 4G, Galaxy Z Flip 5G, Galaxy Z Fold2 5G, Xcover Pro, A21s, A41, A51, A51 5G, A71, S10 Lite, Galaxy Fold 5G, Galaxy Z Flip, S20, S20 Plus, S20 Ultra, S10 5G, Note10, Note10 Plus 5G, S10, S10e, S10 Plus, S9, S9 Plus, S8, S8 Plus, Note8, S7*, S7 edge* and J3 2017*, A10, A20e, A50, A70, A8, A3 2017, A6, J6, J5 (2017), A5 (2017), Note9, A7, J6+, J4+, A9, A90 5G, A40, Xcover 4S.
- Sony Xperia 5 II, Xperia L4, Xperia XZ2, Xperia XZ3, XZ2 Compact, XZ Premium*, Xperia XA2, Xperia XZ1*, Xperia XZ1 Compact*, Xperia 10, Xperia L3, Xperia 5, Xperia 1, Xperia 10 II and Xperia 1 II
- Oneplus 5, 5T, 6, 6T
- HTC U11*
- Doro 8035*
- Google Pixel 3, Pixel 3 XL
- Xiaomi Mi MIX 3 5G
- OPPO Reno 5G, Find X2 Neo 5G, Find X2 Lite 5G, Find X2 Pro 5G and Find X2 5G
- Huawei Mate 20 X 5G, P20 and P20 Pro, P30, P30 Pro, P30 Pro New Edition and P40
- Motorola Edge 5G
*On some Android devices, Wifi and 4G Calling will only work if you’re using O2 firmware. That’s essentially the software that makes your device turn on and run. Sometimes there are different versions of firmware for the same device.
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11-01-2021 05:13 - edited 11-01-2021 05:13
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11-01-2021 05:13 - edited 11-01-2021 05:13
@elucidate Not yet. Wifi and 4G Calling explained | O2
Wifi and 4G Calling is currently available on the following devices:
- iPhone SE 2020, 11, 11 Pro, 11Pro Max, iPhone Xs, iPhone Xs Max, iPhone X, iPhone Xr, iPhone 8 Plus, 8, 7 Plus, 7, 6s Plus, 6s, 6 Plus, 6, SE
- Samsung Galaxy Note20 Ultra 5G, Galaxy Note20 5G, Galaxy Note20 4G, Galaxy Z Flip 5G, Galaxy Z Fold2 5G, Xcover Pro, A21s, A41, A51, A51 5G, A71, S10 Lite, Galaxy Fold 5G, Galaxy Z Flip, S20, S20 Plus, S20 Ultra, S10 5G, Note10, Note10 Plus 5G, S10, S10e, S10 Plus, S9, S9 Plus, S8, S8 Plus, Note8, S7*, S7 edge* and J3 2017*, A10, A20e, A50, A70, A8, A3 2017, A6, J6, J5 (2017), A5 (2017), Note9, A7, J6+, J4+, A9, A90 5G, A40, Xcover 4S.
- Sony Xperia 5 II, Xperia L4, Xperia XZ2, Xperia XZ3, XZ2 Compact, XZ Premium*, Xperia XA2, Xperia XZ1*, Xperia XZ1 Compact*, Xperia 10, Xperia L3, Xperia 5, Xperia 1, Xperia 10 II and Xperia 1 II
- Oneplus 5, 5T, 6, 6T
- HTC U11*
- Doro 8035*
- Google Pixel 3, Pixel 3 XL
- Xiaomi Mi MIX 3 5G
- OPPO Reno 5G, Find X2 Neo 5G, Find X2 Lite 5G, Find X2 Pro 5G and Find X2 5G
- Huawei Mate 20 X 5G, P20 and P20 Pro, P30, P30 Pro, P30 Pro New Edition and P40
- Motorola Edge 5G
*On some Android devices, Wifi and 4G Calling will only work if you’re using O2 firmware. That’s essentially the software that makes your device turn on and run. Sometimes there are different versions of firmware for the same device.
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on 30-08-2022 20:48
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on 30-08-2022 20:48
Is this still up to date? I have a Pixel 4A but can't seem to get WiFi calling to work with O2.
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on 30-08-2022 20:54
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on 30-08-2022 20:54
The Pixel 6 is missing and that works, so the list is a bit out of date.
Have you contacted O2 to turn WiFi Calling on your account as it's not enabled by default?
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on 30-08-2022 21:09
O2 no longer list individual phones for compatibility, they just state "all phones sold by O2 are compatible"
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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on 28-04-2023 15:20
I have a Pixel 4a and I can't find selection calling.
I've had it before on Virgin and EE.
Can anyone help
Thanks
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on 30-04-2023 09:45
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on 30-04-2023 09:45
Have you contacted O2 to turn WiFi Calling on your account as it's not enabled by default? And it only applies to Contract and Business phones, WiFi calling not available to PAYG customers, @jasonbrown2507
O2 are contactable on 202 or via Social media, links to which are in the page linked just below this post. Good luck!
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on 08-08-2023 10:28
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on 08-08-2023 10:28
Do you have to buy the phone from O2 for it to be compatible with Wi-Fi calling?
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08-08-2023 10:33 - edited 08-08-2023 10:33
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08-08-2023 10:33 - edited 08-08-2023 10:33
@Rob521 wrote:Do you have to buy the phone from O2 for it to be compatible with Wi-Fi calling?
No, you do not - phones sold by O2 use standard firmware since 2018 or so, @Rob521
You do have to be a contract or Business customer, as O2 do not offer Wifi Calling to their PAYG customers.
https://www.o2.co.uk/help/network-coverage-and-international/wifi-and-4g-calling
Good luck!

