[Droid Incredible General] maurlife:
Here's my experience - for what it's worth.

I got my first HTC Device, the HTC WIZARD (Cingular 8125), running WM5.0 in 2006. Since then I moved through several WM phones: the HERMES (Cingular 8525), the KAISER (AT&T Tilt), and the RAPHAEL (AT&T Fuze.) I read the forums, flashed ROMs many times, learning a little more with each obstacle I surmounted.

Recently, due in large part to the crappy functionality of the WM platform, and AT&T's rapacious pricing, I jumped ship to the Verizon HTC Droid INCREDIBLE.

I have never been happier with a smartphone, so, of course, a rooted, S-OFF, INCREDIBLE running Froyo 2.2 would be even better! And, it is!

Which is what brings me here. While I cannot offer advice of the quality given by many knowledgeable and learned people who contribute to this forum, I hope my experience might help someone.

Trolling the Incredible forums, I heard about the OTA update to Froyo. I was excited, because I believed it would solve a few glitches I had with 2.1. I read that I needed to root my phone and get S-OFF BEFORE I got the update, and I did it, using the amazing tools, Urevoked3 and Unrevoked Forever, made by the equally amazing developers at UNREVOKED: http://unrevoked.com/#inc.

I sat back, and waited to get the notice that the OTA was available for download. I waited, and waited, (I admit I obsessed about it!) hoping for “some sweet Froyo goodness.”

I read on several threads that I had to unroot and revert to a stock ROM in order to receive the OTA, so I did that using the stock ROM provided by adrynalyne HERE:http://adrynalyne.us/?p=41, which didn't seem to unroot my phone, leaving me worried I wouldn't get the OTA.

While I waited, I downloaded ROM Manager from the Android Market, which told me: "Your ROM is not set up to receive OTA updates. Please contact the ROM Developer!" After a lot of searching, and some hand-wringing, I decided I had little to lose, so I downloaded a copy of the entire 2.1 RUU from HERE: http://shipped-roms.com/shipped/Incredible/ and ran it, wiping my phone (I made some backups.) I then again downloaded ROM Manager, which told me I no longer had root, but was still unable to receive the OTA update! Crap!

I decided, after some hair-pulling and gnashing of teeth, that I would search out an unaltered copy of the 2.2 OTA ROM:http://xdaforums.com/showthread.php?t=765596 , and, using the RUU, get the update that way, possibly fixing the "Unable to receive OTA.." problem.

I ran the 2.2 RUU, and all seemed to be going well, until I got an "Error 170 - the updater is unable to communicate with your phone. Please check the following, etc., etc." I tried several times to run the RUU, changing various settings with no luck - still failing with Error codes 170, or 171. Poking around for help I found THIS: http://xdaforums.com/showthread.php?t=771178.

Following the advice given in the thread, I extracted the ROM from the RUU, renamed it PB31IMG, and transferred it to my SD card's root directory, and let HBOOT try and run it.

This met with success! I now had an unrooted, S-OFF Incredible, running Froyo! Now to reroot the sucker!

I downloaded the Unrevoked3 file and ran the program. It stalled, saying "Failed to push Clockwork Recovery." I wrestled with this a while, changing various settings, and decided after consulting THIS: http://xdaforums.com/showthread.php?t=771178 thread, to use the same process as I had with the Froyo update: Finding the Clockwork Recovery Mod in the program, and renaming it PB31IMG, and putting it in the root directory of my SD card.

It WORKED! After of many hours of struggling, I had successfully updated to Froyo, and rooted my phone again! HOORAY! :)

In closing I would like to thank the many, many people who contribute to the XDA Developers Forums, XDA Developers, and all those who have contributed financially to keep their site going and growing. Having such a resource is very valuable, and not to be taken for granted. Special Thanks to adrynalyn, dalepl, Football, dreamersipaq, Diego Mejia from Android Forums, and dozens of others whose work I benefited from, but fail to remember.