trying to go back to stock 2.2; to be able to update. can some one list steps to do so without saying try sbf'ing? can you list steps pls? ive already tried, but will not work for me. i just wanna be able to make nandroid of all-stock 2.2. then re flash be able to reflash back to rubiXFocused 1.8.6 2.2.1 . can someone pls help?