I can move my sim card from one android device to another without any problems. However, if I move my sim card from an android device to an iphone, or from an iphone to an android device, voicemail and teathering will no longer work. I then have to contact AT&T and have them reprovision the imei

My at&t prepaid account disconnected today, but I just added money this Sunday, with text message showing succesfully paid. Now I cannot log in the account nor use the phone number. and I cannot call customer service bec I don't have another phone. Please help. 

I recently got a Nokia 2760 flip (temporary phone), although I didn't notice it was "owned" by TracFone. Currently it says my AT&T prepaid sim card is invalid. If I got the phone unlocked, could I use AT&T with it?

I currently have an iPhone 13 with a physical SIM. I will be traveling abroad and scanning a QR for an international eSIM during my travels.  When I return, I wish to transfer the AT&T physical SIM to the eSIM.  This is in my wheelhouse.  I understand this procedure. Is it pos

Hi, I have a small linux box with a 4G/2G wireless modem attached. I want to connect it to the AT&T network and provide internet connectivity using the PPP protocol. Can I use any AT&T SIM for that? Do I need a special data plan?

I am thinking of ordering a Motorola Moto G LTE and paying the no contract price to have this phone as a replacement phone for my Rugby Smart. Since i will not be using an upgrade or Next program, will they send a new Sim Card installed in the phone like when you do an upgrade??This phone uses a mic

What I need is a Nano SIM card for my new phone while my old phone (that's literally falling apart) has a larger SIM. How am I supposed to simply buy a SIM online when your site stubbornly forces the free SIM promo that requires a new plan/device to be purchased? I'm not settign up a new plan, nor a

Is it possible for me to obtain a SIM from an AT&T store and add data to it whilst I'm visiting the US? (Is there a plan which allows me to do this?) This would only be temporary (less than 30 days). I have an unlocked phone.This would be a huge advantage to me, since it avoids roaming costs.

Weeks ago, AT&T mailed me 2 cheap phones with a warning about service to the subject phone ceasing. About a week ago, I awoke to no service on both sims. After much run around, I was told the phone was 3G and no longer supported. Something about HD voice. Someone was able to reestablish service

Want to buy an iPhone 13 from Apple, then move everything over from the 6S. (And rejoin the 21st century.) How do I proceed? TIA!!

I need to replace my wife's aging GoPhone.  The SIM is an old Cingular-branded SIM (that's how old it is!).  If I get a new AT&T GoPhone from Best Buy, will I be able to put the Cingular SIM in there and keep the phone number & balance?

I submitted my request to unlock my iPhone 7 plus on 3/25 and on the status it tells me that it is in progress and may take up to 2 business days. In the meantime for this to get approved/completed, can I take the SIM card out of the phone in order to use my phone on wifi because right now, I cannot

I have recently sent my wife's Samsung S21 Ultra for repair. I placed her SIM card in an LGV10 from when I was a Verizon customer. The phone initially displayed a message that the SIM card was not a Verizon card. The phone is not locked (she visited a Verizon store this AM) and it will allow her to

My wife still had her old iPhone from AT&T. We live abroad now so I wanted to try to unlock it. I tried the unlocking form but received this answer:"Your unlock request was denied because there's an unpaid balance linked to your device. You can submit a new request after the balance is paid in full.

I am Indian citizen visiting US on business . Enjoyed my prepaid service for three weeks. I will leave this week. I paid for this month only, with no Autopay. I will have to travel back to US after three months. If I retain my SIM and want to pay for the month after I arrive, will prepaid account st

I have a Samsung Mythic phone that I used between 2011 - 2013. Unfortunately, I don't have the charger for it anymore but I still have the SIM card in it. That phone is connected through AT&T and I'm wondering if there's a way for the AT&T team to read the information on the SIM card (such a

Hi community, I visited the U.S.A for short-term bussiness trip last week and bought prepaid SIM card at AT&T store to use my smartphone.And my account will close because my account isn't set AutoPay. If I visit the U.S.A again, can I use same SIM card without visiting AT&T store ?My expectation is

I currently am using a Samsung Galaxy S8+ Duos (dual SIM) with two (2) active lines. I tried to switch to a Galaxy S20+ 5G last week using my SIM cards from the S8+, but it didn't work.  The IMEI in slot 1 came up as not support device and would deactivate my SIM card.  With AT&T supp

I purchased a GoPhone SIM card 2 years ago and used it for 1 month and did not use it since.  Do SIM cards expire? When I try to login to refill the balance, the userid which is the phone number I was given is not recognized.  When I try to activate the SIM card by entering the 20 digit SIM card num

Hello, I was thinking about buying a Samsung Galaxy A72. I'm having a problem with my location where I can only use AT&T, so I have to make sure that it'll work. Before I have bought a Samsung Galaxy A21, and as it was Verizon it didn't have a signal. I was also wondering if it was unlocked it w