1. Android Central Question's Avatar
    I have a Note 9 that I bought at Best Buy. It is an unlocked phone. At&t is my service provider. My IMS registration status shows Not Registered. How do I get my IMS registered?
    05-02-2019 12:19 PM
  2. Rukbat's Avatar
    Make sure the APN (especially the MMS sections) are exactly as AT&T needs them:

    Name NXTGENPHONE (this can be anything - it's for you to know which APN this one is)
    Proxy leave blank
    Port leave blank
    Username leave blank
    Password leave blank
    Server leave blank
    MMSC http://mmsc.mobile.att.net
    MMS proxy proxy.mobile.att.net
    MMS port 80
    MCC 310
    MNC 410
    Authentication Type None
    APN type default,mms,supl,hipri
    APN protocol IPv4
    Bearer leave blank

    Note: In the APN type, there are no spaces, just commas.
    05-02-2019 02:40 PM

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