how do i solve this problem? i recently upgraded my firmware to enable wifi calling but whenever i try using the feature it give this error message.
Are you using sim card that came along with the phone?
Weird. My wifi calling works ok. Let see what I can think off..
1. Did you update your 911 address on your online account?
2. Run to T-mobile store grab different sim card.
I had this issue as well. once you get an updated sim card (a new one that supports wifi calling) you need to turn your phone back off then back on. Mine did a search and tried several times before i was able to use wifi calling.
So it just like took care of it self.
hope that helps
I had the same error after the last update pushed out. Go to Settings, Wireless and Network, and uncheck Wifi calling. The error went away immediately for me.
If you uncheck the wifi calling the error goes away because wifi calling is disabled, turn it on again and there's the error
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