I am considering getting an unlocked phone (non AT&T). Is there any requirement that the phone must be an AT&T in order to be able to have mobile hots

Trying to update to 9.0 to get ready for 10.0 but it says I am up to date already but is only using 8.0 (Edited per community guidelines). Help

I asked At&t for an unlock code so I may use my S3 with another carrier. That code won't work. What do I do now?

I'm stuck on the September security patch (G820UM10n), despite the AT&T website claiming there have been two more updates since, versions G820UM10q an

I had a ringtone that was Zedge - you now have to pay for Zedge - how do I get a basic ringtone?

Hello All,I used to use conditional call forwarding on att. Basically I had my voicemail handled externally, by putting in an MMI code **004*XXXXXXXXX

I didn't disconnect it and I'm all paid up

I have been unable to use my wifi calling since April 9th. Everytime i try to turn it on, it says, "please try to set up wifi calling again later." It

I need to setup

Does anyone know if WiFi calling on the OnePlus 6T works on AT&T? I work for the government in a building that actively blocks all incoming and outgoi