1. Android Central Question's Avatar
    When on data everything works perfectly, and I don't it has anything to do with WiFi Calling. I need help.
    01-01-2019 03:13 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Are you certain wi-fi calling is off, or set to be not preferred?
    01-01-2019 03:19 PM
  3. Sawazawa's Avatar
    Welcome to Android Central! Are you certain wi-fi calling is off, or set to be not preferred?
    It was enabled and set to mobile preferred
    01-01-2019 11:04 PM
  4. B. Diddy's Avatar
    Who's your carrier, and how is your cell signal at home?
    01-02-2019 12:03 AM
  5. Sawazawa's Avatar
    Metro PCS and its ok, but its weird, when I call someone, it changes to 3G instead of my 4g, but it still calls. Besides that, everything is fine.
    01-02-2019 12:40 AM
  6. B. Diddy's Avatar
    If you don't have VoLTE turned on (or if the phone doesn't support it on Metro), that's normal, since the phone is reverting to GSM to make the voice call, and it doesn't have dual antennas for both voice calls and mobile data. Go to the Settings>Mobile Networks menu and look for an option for VoLTE (which might also be called Enhanced 4G, Advanced Calling, or HD Calling), and turn it on.

    Also, in the specs, I also see that the phone supports both GSM and CDMA. If it's set to prefer CDMA, that might also be a problem. Go to Settings>Mobile Networks>Preferred Network Type​ and make sure CDMA isn't selected.
    01-02-2019 09:29 AM
  7. Sawazawa's Avatar
    What if Enhanced 4G was already turned on
    01-02-2019 12:25 PM
  8. B. Diddy's Avatar
    You might want to check with Metro to see if they can tell if VoLTE is working on your phone. One way to tell is if you can browser the web while on a phone call (not using wi-fi).
    01-02-2019 01:14 PM

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