The IMEI (the serial number of your phone) is only required with some of the sim cards and this is for activation purposes only.
You can insert the sim card in any compatible device. There is no restriction.
The IMEI (the serial number of your phone) is only required with some of the sim cards and this is for activation purposes only.
You can insert the sim card in any compatible device. There is no restriction.
AT&T is now enforcing IMEI check. Upon arrival you need to insert the sim card in the device with the IMEI you indicated during activation. If you changed your device please contact us.