If you have alltel/verizon do this:
dial ##000000
from the activation wizard change all values to 0's and then press ok to restart the phone, and you are done.
If you are on Sprint do this:
copy down your ESN number (with CAPS)
download getspc here
http://www.5gmobile.us/mobilefiles/VX6800/GetSPC.zip
run getspc enter your ESN and it will give you your msl (six digit number)
dial ##XXXXXX (X's are the number from getspc)
from the activation wizard change all values to 0's and press ok to reset
and your done.