AT&T SIM cards are designed to last for an indefinite period, as long as the account associated with the SIM card remains active. This means that as long as you are using your AT&T service regularly and keeping your account in good standing, your SIM card should continue to function without any issues.
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However, it’s important to note that physical damage or software issues can cause a SIM card to stop working. For example, if the SIM card gets wet, is exposed to extreme temperatures, or is physically damaged, it may stop working. Similarly, if the SIM card’s data becomes corrupted, it may need to be replaced.
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If you find that your AT&T SIM card is not working, it’s a good idea to contact AT&T customer service. They can help troubleshoot the issue and, if necessary, provide a replacement SIM card. In many cases, you can get a replacement SIM card at an AT&T store.
In conclusion, an AT&T SIM card does not have a specific expiration date and should last as long as your account is active and the card is not damaged or corrupted. If you’re having issues with your SIM card, don’t hesitate to reach out to AT&T for assistance. They can provide support and, if necessary, a replacement SIM card.
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