Power down device.  Simply replace SIM in existing unit and power cycle the device again.   Test connectivity of device to make sure unit is functioning properly.  After successful test please notify us including your name and new mobile number at the following email: helpme@netontherun.com  .

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PLEASE NOTE: The GOST Phantom is an older device that may not automatically point to the new network when the SIM is replaced. To register the device on the new network manually you need to Reset the sim module from the keypad.  Hold the 0 key for 2 seconds then press 1111 then 9002 and the device will ask you to reset the module then press yes then exit to see if the sim picks up signal