First off, if you own the North American variant of this handset then you're out of luck. Likewise, Japanese, South Korean and some German handsets are also excluded. Still here? Okay then, but you might not like what comes next.
After months attempting to bring the Desire up to speed with Android 2.3, HTC is throwing in the towel, and it doesn't have much more than a comments section full of disappointed handset owners to