Help me changing esn of nokia 2280, 3105,3586

Hi all,

:-? I have gained a lot of knowledge from nokiafree.org i have solutions for near about all the models but i am unable to find any solution for changing esn of nokia 3105, 3586, 2280. I tried reading each and evey article related to this but unable to reach any solution. Please its my request to all the experts there to help me changing soutions for the mentioned models.

Till now i can read and write spc for all these models.
I can edit prl
But not able to change the esn.

I have found some softwares which needs security cd and donlge but i m not sure that they work.

please help

That's impossible. Don't waste time! Try other makes.