Motorola Mobility RAZR V3 "sprint phone keep saying searching" Questions

...Sprint and they told me to reprogram the phone which did not work. Now they're telling me I have to take it to a Spring repair dealer. Is there some way I can fix this myself. I tried taking out the ...

Phone I just got the P168 and it says "No Service." I've tried SIM cards from Sprint, Verizon, Cingular, and Nextel, but still no luck. Is there something I am suppose to change in the settings to get