tried switching phone to my current SIM on website now says my SIM is MM#2. whatever that means. now I can not use any phone. always a production any

I spent the last 4 months tracking down the cause of horrible WiFi calling. It was caused by 5ghz on the WiFi modem/router that AT&T supplied.My setup

I cant seem to find an option to cancel an order is that something I can do here?

Yes. I have gone through the device-unlock portal. I have called the support line and brought the device into a retail AT&T store.My phone broke a whi

I was having problem with my connections I called they put me from starter plan to elite one so my bill increased by almost $100 but my connection was

Hello, I purchased a Harman Spark to get WiFi in my car. With the unit, it says to visit att.com/activate When I visit this site and enter my ICCID

Hello, My old cell phone broke, so I bought a used Moto X XT1058 (AT&T variant) off ebay since I can't really afford a new one. Everything is working

I've put the Harman Spark device in my vehicle downloaded the app on my phone and it says Activation pending.   My phone sees the spark, but can't con

Att keeps sending me everywhere to change the premium subscription that I get for free every 12 months. How do I actually change it ? It won’t let me

How can I obtain a warranty replacement for my less-than-one-year-old Harman Spark? Harman International tech support was unable to get it working aga