Is the SIM card different for prepaid and contract services?

I try to enter the new SIM number but i get this error - Error-We seem to be experiencing system issues. Please try again later.I have tired for several days now and it is not working. I cannot get through over the phone. This is a replacement sim

I called you guys for this problem but i had no solution, basically i need to get my online password that i was never provided, only a 4-digit passcode was given to me, but i need to activate my old phone number into a new device with a sim that i just bought, please help. My number is 5613730299, I

I received an email saying my unlock code was approved but it makes no sense, and I'm wondering if someone can help me? I bought a locked AT&T phone (paid in full) direct from Samsung for Straight Talk (who was owned by AT&T) and for some reason Straight Talk decided to switch to Verizon. Be

Hi, @ATTCares @ATTHelp my name is Javier (Edited as per community guidelines) i live in Ecuador, in Ambato city, I bought a phone in Ecuador the model is an Iphone Xs Max Imei: (Edited as per community guidelines), I try to put a new sim in this phone but it doesnt work, i cant call to the number

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?

Hello,   I've been a pre-paid customer with AT&T since 2018 and I bought my iPhone there. In March 2020 I broke this phone and bought a new one (iPhone XR) at AT&T. I immediately paid the full price of the phone and I was told to get a new pre-paid number with the phone, so I did. I also paid for on

Hello, we produce a tablet computer that has an optional Sierra Wireless cell modem. Can you provide me with ordering info for SIM cards that we can install and be activated by the end user?Thank you,Tim

I spent many hours over 2 days trying to get help online and on the phone without success.

I got approval to get my iPhone se. I backed my phone up and restored it. However my tmobile SIM card still does not work. I have the same problem as the person in this forumhttps://forums.att.com/t5/Apple/received-AT-amp-T-unlock-approval-for-iphone-but-still-does-not/td-p/5317691 The only way to r

I am traveling abroad and bought/have been using a digital travel SIM (through Orange Travel). My AT&T SIM and account are still being paid for/used and I made no changes to my AT&T plan. I received a notification that my AT&T number/SIM expired -- this was exactly 60 days after I left/s

I had my unlocking request approved by AT&T, however, they do not seem to have told Apple as the phone continues to show as locked on Apple's servers and I get the message SIM not supported when I try to use my new carrier. Has anyone had any success in getting help from corporate-owned AT&T wireles

I will be traveling internationally for several years starting in 2021. I plan to keep my phone number by continuing to pay for AT&T using an eSIM card on my iPhone XS, and then buying local SIM cards in whatever country I am in. Currently I have AT&T Prepaid as a physical nano SIM, but I want to kn

I submit to understand lock requests,Because I fill the wrong email address,Unable to receive email confirmation.How can I should cancel the original application to submit new unlock request,Over the past few days, I since the resubmission or tip is under processing

My sim card status reads "unavailable" due to no provisioning website. How do I fix this problem?

I was switching my sim into a friends device to see if his device was looked, and my sim is looked now! How can I reactivate it !I need it for this weekend! Could you help me?

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 had a AT&T prepaid SIM and have used several day. I bought new SIM and update device with that SIM.But I broken new SIM so I tried to use old SIM but show the message "We seem to be experiencing system issues. Please try again later." when update device web page.When I insert SIM in the phone, SIM

I would like to add a new line to my iPhone for just a month with a physical SIM. I want to share my iPhone with family traveling to Europe, but I need to keep my phone number while they are gone. Is it possible to purchase a new SIM with a different number for just a month and connect it to my ex

I have a pre-paid sim card in a remotely mounted trail camera. This is NOT new technology.  I am sure I am not the only customer with this issue.  I  cannot get any tech support at all because they want a pin number.  They want me to put the sim card in a phone to receive a pin