I post in the gs5 thread mine started working and still is.
Maybe something to do with this
http://m.androidcentral.com/sprint-wi-fi-calling-go-international
Wifi calling just connected
Edit: could it be related to this
http://m.androidcentral.com/sprint-wi-fi-calling-go-international
Network changes, setting?
Mine stopped working yesterday. 3 different areas with wifi all get "network connection error". Chatted with sprint this morning they removed and readded the service, even refreshed the phone and still the same error.
I chated with care just now. Had me refresh the phone and they removed and readded the feature. Working perfect now. Make sure you get the wifi calling icon in the notification area. If you dont then its not working.
turn off power saving.
also noticed every time I reboot or turn off and back on ill get a "system update please wait" notification.
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Cant wait for this update if it is wifi calling. I just called up yesterday about signal. Keeps bouncing around failed calls and text
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