Unlocked Phone that will support AT&T wifi calling

any pixel 4 or newer will get wifi calling with no problems.  Any US branded Galaxy S phone like the s21 to s23 series will work also. 

Purchase an unlocked phone. We use iPhones and I've always purchased them directly, unlocked, from Apple. I'm sure you can purchase unlocked phones for Android devices as well. Just don't purchase a phone from AT&T.

Motorola Chat told me that no unlocked phones will work the AT&T wifi.  At least their phones.

Confused.

Best Buy

I am sorry I misunderstood you initial inquiry. That is correct, the reason wifi calling does not work on unlocked phones is because it is not a native feature baked into Android. It is a service provided by the cell phone providers, they add it onto their own carrier locked models.

Confused!!!!

We have always used WiFi-C (WiFi Calling) as long as it has been available on our iPhones, which as I said above, were purchased unlocked directly from Apple. I believe the phones need to be VoLTE capable for AT&T's network but someone else can confirm or clarify that.

https://forums.att.com/conversations/other-phones-devices/att-removed-locked-wifi-calling-options/5fbbcc7697f6d57f4e8d7820

I need to replace my Blackberry Keyone purchased locked from ATT.  It does not have wifi calling and I get no reception at my house, miss a lot of calls, phone is useless.  I will not do another contract 36 month extension for a locked phone.  My wife still has 14 months left.  Not sure what to do here.

The above post says T-Mobile does not restrict wifi calling on unlocked phone.  

That's a two-year old post so things may have changed since then. Call other providers and ask them about WiFi-C on unlocked phones and then switch if that's the only thing you can do.

https://www.att.com/idpassets/images/support/wireless/Service-Capabilities-Unlocked-Devices-ATT-Network.pdf

This is on the AT&T support site.  Does this say Google Pixel Phones unlocked support wifi calling from AT&T?

That list is 8 months old so I don't know if there is a newer version or not. The exact model of phone needs to be on the list for it to be able to use HD Voice (AT&T's version of VoLTE), which is required for WiFi-C as long as Google verified it and sent that information to AT&T.

Yes, the newer android unlocked phones support wifi-c on AT&T. Just go with a main brand (Samsung, Google, etc...).

Hi there @rlmyers, we're here to assist with your device options.

Thank you @OttoPylot for your productive feedback.

We want to advise that AT&T Wi-Fi Calling is cellular preferred, meaning that when there is both a strong cellular signal and strong Wi-Fi signal, the phone defaults to the cellular network.

Check out this article for more information about Wi-Fi calling capability on the new device we offer for Google and Motorola.

We hope this information works out for you, and thank you for contacting the AT&T Community Forums.

Ashley, AT&T Community Specialist