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Messages sometimes not being sent. Stuck in "sending".

Discussion in 'Android Devices' started by OklahomaHoss, Jul 13, 2021.

  1. OklahomaHoss

    OklahomaHoss Newbie
    Thread Starter

    Reactivated my old ZMax Pro recently, and noticing that sometimes, text and picture messages aren't being sent. I get a "network unavailable" notification. Anyone know what steps to take to fix it? It's through MetroPCS/TMobile's network, if that helps. Thanks guys.
     


    vaivabh likes this.

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  2. puppykickr

    puppykickr Android Expert

    I have the same issue.
    T-Mobile has horrible coverage.

    Try leaving your mobile data on all the time.

    Also, be sure that VoLTE is active.
    My phone won't even make any calls if it is not active.
     
  3. OklahomaHoss

    OklahomaHoss Newbie
    Thread Starter

    What's VoLTE?
     
  4. puppykickr

    puppykickr Android Expert

    The call goes over the internet instead of like regular cellular calls.

    Sort of like Wi-Fi calling, yet different in that you need a connection to a cellular tower.
     
    mikedt likes this.
  5. mikedt

    mikedt 你好

    FYI if your carrier has turned off their 2G and 3G networks, and are now 4G and 5G only, you must have VoLTE otherwise you won't be able to make or receive phone calls.
     
    #5 mikedt, Jul 15, 2021
    Last edited: Jul 15, 2021
    puppykickr likes this.
  6. OklahomaHoss

    OklahomaHoss Newbie
    Thread Starter

    How do I make sure VoLTE is active?
     
  7. puppykickr

    puppykickr Android Expert

    Your device may vary.

    Settings
    Network & internet
    Mobile network
    Advanced
    Enable VOLTE call

    If Enable VOLTE call is greyed out, then

    Preferred network type
    (Automatic)
    Enable VOLTE call
     
    OklahomaHoss likes this.

ZTE Zmax Pro Forum

The ZTE Zmax Pro release date was July 2016. Features and Specs include a 6.0" inch screen, 13MP camera, 2GB RAM, Snapdragon 617 processor, and 3400mAh battery.

July 2016
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