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Take the phone back, you cannot get it to work if the sim is not registered.
either call AT&T or you have to go to an AT&T store to activate it. If they can't, then you should buy a new SIM card
An unregistered SIM card can be challenging to trace, as it lacks associated personal information. However, the device's IMEI number can be used to identify the phone itself. If an unregistered SIM makes a call or sends an SMS, law enforcement may be able to trace the call through the network provider, but linking it directly to the IMEI without additional data is difficult. Typically, a phone number alone does not provide sufficient information to track the IMEI without the cooperation of the mobile carrier.
An unregistered SIM refers to a mobile SIM card that has not been linked to a specific individual's identity in accordance with regulatory requirements. In many countries, telecom operators are required to register SIM cards to prevent misuse, enhance security, and facilitate law enforcement. Using unregistered SIMs can lead to legal penalties for both the user and the provider, as they can be associated with criminal activities or fraud.
YOU CAN'T NIGGY! if it says ''unregistered sim'' that means either getta new phone eerr getta new sim!
You call your carrier and activate your sim card.
The plural form of SIM card is SIM cards.
sim card
sim card
Yes, it's possible but very difficult. On a GSM network when a call is initiated, information contained in the sim card is relayed to the tower, but in addition, so is the phones IMEI number. (ESN Number for CDMA based networks) The SIM card and IMEI number are tracked together by the towers, so a record does exist.
A SIM card adaptor will allow you to use a micro SIM in a standard SIM slot.
A sim card is Non of them