giovanni_re wrote: > Will you please tell me the diff size of these 2 isos? Thanks. > If it is small, say, < 50%*700MB, might ubuntu put that diff on the > iso page? That would save some dl time & cost. Sorry, I have no idea but if you use zsync, it will only download the diff: <https://help.ubuntu.com/community/ZsyncCdImage> Nils