Hi there,i know someone will know answer for this,k let me ask my question.

I Have been using Nokia N70 mobile for the last three years,n it seems slow in performance and have some Errors,So i need to install a new Symbian V2 Os,into my mob,i dont want to update it via NOKIA Software Updater,
Do i need any software tools or whts d procedure..

So,How can we do it..?
Flashing the Mobile..?

Please help me to know this...!!

Thanks in advance..!!