I am now upon iphone firmware 3.0
I would similar to to refurbish to whatever a newest chronicle is.
I have a program to jailbreak an iphone with a newest firmware, blacksn0w or a little alternative tone snow.
is it probable to refurbish to a newest firmware but carrying to remove all my cydia apps?

No, you can’t keep your Cydia apps, but you can update, as 3.2 has been jailbroken by blackra1n.
http://blackra1n.com/