ESN Exchange with verizon?

ummm a while back someone answered my question about how i can use a different phone on verizon by getting a number from my battery and creating an account on verizon and changing the type of phone i have. trouble is,theres three sets of numbers on the back of the battery: HEX, DPQ, and S/N. which numbers am i supposed to use to switch phones?ive never done this before so any help would be greatly appreciated...ESN Exchange with verizon?
You would need to use the HEX number.



I suppose this is the question your refering to: http://answers.yahoo.com/question/index;