unrooted and stuck on 2.1

Ok so i was on stock 2.2 and used unrevoked3 to root my phone all went well so i decided i wanted to unroot just so I knew the process if I had to take my phone in. I got it unrooted using the PB31img downgrade to 2.1 super user is gone wifi tether is gone clock work mod is gone but s is still off, how do I turn it back on and also I cant get 2.2 back the i havent got any ota updates, if I go to system update it says I am up to date but i am on 2.1 update1, I have also tried a few different manual update files all which say bad or missing image any Ideas? I would like to know how to get it back stock so if I have to take it in I can also I want to reroot it
I have droid increadiable
fw 2.1-update1
bb 1.00.03.04.06
kernal 2.6.29-cc1cc2268 htc-kernal@and18-2 #1
build 1.22.605.0 cl1614493 release keys
software 1.22.605.0

I figured it out

 

Ok never mind I figured it out

 

Sorry for the delay in answering I have been real busy at work and havent had time to get on, what I did was just ran Dougs 2.2 unroot file and it updated it back to 2.2 for some reason none of the manual updates I found would work, but I will def same myself alot of head ache if I un root again and just use Dougs unroot the first time. Thanks Doug, by the way his unroot is stickied to the top of this forum

 

There are a few Advtages it just depends what you want the main reason I did it was for the free wifi, but you can also over clock or underclock, put custom splash screens screens and many others things I find more each day, as far as returning to stock, and some one correct me if I am wrong I am still new because when I unrooted my security was still off and that would tell Verizon you messed with it, but from what I figured out is first use unrevokeds unrevoked forever software to turn your security back on than you can use dougs 2.2 unroot which is stickied to the top of this forum and prob has better instructions and has the file Hope this helps