Root Update G1 from 1.0 to 2.2

[naomiloveee]

I pulled out the old g1 and it had the 1.6 firmware and im trying to update it to 2.2... all the articles i have seen are old and outdated so i havent had much luck but i got to the step where the phone is to be downgraded to 1.0 and ive done that so.. now i have 1.0 and am stuck.. i downloaded telnet and the connection is always an error... help please