You can check if your device is not blacklisted in AT&T USA. Our IMEI check tool can determine if cell phone is connected with fraudulent activity and is BLOCKED by US AT&T company. All models are supported like: iPhone, Samsung, Nokia, Motorola, LG, Huawei and more.
Verify that the IMEI is CLEAN and the phone is not blacklisted. Check if the phone has been reported as lost, stolen or blocked. Check whether AT&T mobile device status is.
If you are going to buy a used phone from AT&T USA, make sure that it has not been reported to the police as lost or stolen and the IMEI number is not blacklisted. Phone with barred IMEI number can't be used.