Radio Shack CT-354 (17-1065), Nokia 636 NAM Programming

1 press ON to turn on the phone.

2 to enter programming mode press: *#639#
The phone responds CELLULAR NUMBER?

3 Enter the 10 digit phone number followed by the send button.

4. next CODE appears.

5 enter the SYSTEM ID followed by four zeros.

6 press send, if everything was done correctly it will respond ACCEPTED, 
if not, NAM ERROR will appear.

7. If NAM ERROR appears turn off phone and start again.