What's an ESN/RadioID?
An ESN/RadioID is the serial number on your radio.
ESNs are 12 digits long (eg 012345678901). Tune to channel 184 for your ESN.
RadioID's are 8 characters long (eg. 2YG34K34). Note that the following letters are not used: I, O, S and E. Tune to channel 1 for your RadioID. If you get in trouble, please check your radio's manual to find out how to locate it, or contact Customer Care at 1-888-539-7474.