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OnePlus 8 volte setting missing oos 11.0.8.8IN21AA via OnePlus 8

  1. P1622178990937
    Cupcake Oct 18, 2021

    P1622178990937 , via OnePlus 8 , Oct 18, 2021 :
    Hey OnePlus,
    I am in Malaysia and have been using my oneplus 8 since it is in oos10 and the volte works normally. But once i update it to oos11, the volte is unusable and the volte and vowifi setting options are missing. Until now (oos 11.0.8.8IN21AA), the issues still presists. I won't be believe it is a issue with the service provider because before oos11 it works flawlessly. Please take note and address this issue immediately in the next OTA.
     

    #1
  2. Caomhin
    OnePlus 9 Series Expert Community Expert Oct 18, 2021

    Caomhin , via OnePlus 9 Pro , Oct 18, 2021 :
    You must have a network provider who provides the VoLTE/VoWifi service on your mobile plan.

    The VoLTE/VoWifi settings will be in your Sim & Network settings, if its not showing and you have a Network provider that supports it as well as a good 4G LTE signal then try the following to see if this will enable it.

    This is for all OP phones, however it discuses the 8 Series, but it should apply to any series as the protocols are the same.

    [GUIDE] Enable VoLTE & VoWiFi on all devices NO ROOT.
    https://forum.xda-developers.com/on...nable-volte-vowifi-devices-root-t4105817/amp/

    Log Kit 1.0
    https://www.apkmirror.com/apk/onepl...ase/onepluslogkit-1-0-2-android-apk-download/

    There are newer versions but I would suggest trying this with the details provided on XDA.
     

    #2
  3. P1622178990937
    Cupcake Oct 18, 2021

    P1622178990937 , via OnePlus 8 , Oct 18, 2021 :
    I am 100% confirmed that my network provider support volte and vowifi because i can use it before i update to oos11. Doing such configurations are so frustrating, why don't just let oneplus solve this issue in coming OTA? Other smartphone brands just fix it directly for their users.
     

    #3
  4. Caomhin
    OnePlus 9 Series Expert Community Expert Oct 18, 2021

    Caomhin , via OnePlus 9 Pro , Oct 18, 2021 :
    No idea why it's not working for you, however try the steps mentioned and see if it works for you.
     

    #4