Hello, I have a Tecno Camon 12 phone that I've used abroad. I want to use it on my ATT plan in the US, but when I put in the sim card it isn't recognized. Do I need a different type of sim card from ATT for this device or is it not compatible with ATT?   Thanks,   Danny

On my About Phone screen is says Phone Number Unknown On my Sim status it says AT&T then Network AT&T, then Phone Number on SIM Unknown It appears to be working correctly, just curious why it doesnt know my phone number  

I'm using an AMIT MDG200 embedded cellular modem for use in an edge device. I have an activated ATT 5G SIM card installed in the modem, but I'm unable to connect to the ATT cellular network. I've tried setting the APN to NXTGENPHONE, as well as having it assign automatically, but it fails to find th

I was switching my sim into a friends device to see if his device was looked, and now returning my sim to my device, it says "No service". What do I have to do to recover my service?

When I first signed up for AT&T it was becuase it was the only carrier that I could receive service in my home with. However, in the last couple months it has become the worst cell service I've ever had, I can't even receive or send text messages in my home. I've missed very impor

When I enter the wireless number written on my order to sign in the prepaid account. It said "The wireless number you entered is not associated with a valid AT&T PREPAID subscriber. Please check the number and try again." But I am pretty sure that it is the right number. What am I supposed to do now

I am no longer able to add minutes to my son's iphone. I think it's because I let 90 days go by without adding minutes. How can I add minutes, and if I have to get a new SIMS card, will he be able to keep the same phone number?

Hi, I am currently on a prepaid/daily plan and about to go overseas for about 6 months. Can I somehow keep and use the current number it when I return? I will not use the number(sim) nor be on a roaming service when in overseas.   Thank you. 

Does AT&T offer SIM cards with public IP address? Does the wireless plan support public IPv6?

I currently have an older phone with a regular sized SIM card on a GoPhone account. I just ordered a new phone that came with a microSIM card. How can I transfer the phone number to the new phone? Can I just call AT&T and have them update the SIM card associated with this number? Do I need to look i

I am in Italy for the next 6 weeks. I am eligible for an upgrade with my current iPhone XS Max.  But I am interested in the Samsung Note20.  Would I be able to purchase a new phone here in Italy and just move my sim card over to it?

I ordered a sim card on 8/16 to transfer my phone number from verizon back to you. Does it normally take this long? I'm beginning to have second thoughts about leaving my current carrier now, please advise on when i can expect to receive my sim card.

AT&T has the worst customer service to keep loyal customers happy. Over a month of ongoing issues and no real support. They are more than willing to keep you in a hamster wheel, running around and around from in person, to on call to chat agents who have no clue about information shared. They al

When I submitted the unlock application, I was reminded that I had not paid it back, but I bought this phone from eBay, what should I do

Hi,I have lost my sim card while travelling overseas. Please can you send me a replacement sim at my address.

Out of State IP - Frederick, Maryland - For a Reston, VA Phone. Is this normal?

In an earlier posting to this forum I posed a question about data plans for Sierra Wireless GX450 modems.  I own one.Some very knowledgeable folks responded that all of AT&T's current plans for these devices can be found here (and only here):https://buyasession.att.com/sbd/Common/ShopRatePlans.actio

I have a Galaxy J7 with I'm taking to Mint Mobile. I requested an unlock code, put in the new SIM, got the message: SIM network PIN blocked. Enter SIM network PUK, and tried entering in the unlock code AT T gave me. I got the error: Incorrect network unlock code entered. Since then, I've been throug

Sorry if it's in the wrong forum. I didn't know what category topic this falls under. I bought my own phone at Amazon. I had T-Mobile now I have AT&T.I went into the store and asked if my phone was compatible, the guy did some tests and used their sim in my phone and said it's compatible. H

Dear all, my IR800 CISCO router got faulty and I had to replace it and I lost all the old parameters. So, now I have to reconfigure the new router then I have inserted the SIM of the AT&T inserted into router and now I have to fill below fields ??, could you help me? ir800#show cell 0 pro