1. AC Question's Avatar
    I have q note 4 with at&t. On. The left top corner it states at&t when I'm on the at&t network and my signature appears on lock screen . Why do they both disappear does that mean I'm not on the at& wifi or network?
    11-03-2015 12:49 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! AT&T shows up when you're connected to AT&T's cellular network--it should remain there as long as your phone is connected to the cell signal (i.e., voice signal, as well as 3G/4G data). AT&T doesn't provide wi-fi. You connect to wi-fi networks either at home (if you have one set up) or wherever there is a wi-fi hotspot that is either public or that you have a login and password for.

    What signature are you talking about? Do you mean when AT&T appears on the lockscreen?
    11-03-2015 06:46 PM

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