[weedahoe]

First, it isnt a smart phone but a PPC.

Secondly, yes you can upgrade to 6 although manby people have issues with it and you will gain nothing other than having the ability to say you have 6.

Thirdly, you will need to tell us what Bootloader version you have, Vista or XP, what are you using to build a ROM with, what are you trying to add into the ROM and what errors you are getting. No one can read your mind and these things we need to know so we can better help you out.