Android

How can I change to a 5G network from 4G/LTE? No Network Mode option exists in Settings under Connections-Mobile Networks.  Just Network operators which is greyed out.  Samsung (mfg’er) provided unlocked phone with physical ATT SIM.  Do I need a new SIM that supports 5G from ATT, or

I've had my number for over 20 years however I keep getting calls and texts for someone who is not me. A quick internet search showed this person had this number from New Cingular Wireless which is now AT&T.  Please do not tell me it's not possible for both of us to have the same number si

I have difficulty connecting to the service. WiFi works, but no calls, text and Internet. I am not behind on bills and I have power-recycled and put the phone on flight mode and back on but nothing is working. I just got to Syracruse and At&t works fine here for others but my phone doesn't work.

i bought a blackberry keyone online that said it was unlocke for all networks i put my sim in and its asking for a MEP code how do i get one

why cant i make a phone call to a landline????????? someone please help me

To start, i bought this phone of of ebay 2 years ago from a trusted seller, the thing was that it was locked by AT&T, i tried to unlock it recently but all it kept doing was : Resubmit your request and select No when asked, \"Do you have a mobile number from AT&T?”. Even though I select

I mailed in a Samsung and a year after I was issued some credit, they stopped and when I called, all of a sudden I'm told it was a damaged Nokia phone. I never owned a Nokia phone and the Samsung was a only a few months old with no damages. This is the 3rd took a switch has been done at the receivin

I'm tired of these updates that disables my phone for 10-15 mins, when I work or use GPS! There's no option to disable it! I have 9 devices with att! I'm so frustrated that I'm ready to give it up and stop paying! We as costumers should have right to choose! I can't afford to loose business while my

I bought a brand new AT&T Pixel 7a from Walmart. Paid in full. I am currently not an AT&T customer. I tried the online unlock at https://www.att.com/deviceunlock/ and got an email response they are "We're missing some info". What info? I gave the IMEI and my contact info. Can someone help

Here is a brainbuster. Bought latest Samsung S22 Ultra 2 months ago. Sent back for warranty claim for bad power button, a known defect in brand new line. Other than button phone was spotless: lived in case with screen protector. Got replacement new phone no issues 2 weeks ago. Today received box f