Developer richardtrip over at XDA has successfully ported android 2.2 FroYo on HTC Desire. The developer is reporting that Wi-Fi is working fine, but Bluetooth is half way working as it does start, but you can’t scan. Mic, GPS and Apps2SD are working absolutely fine. In order to use Camera just Navigate to camera app settings and set focus mode to infinity and get camera working.
The hacked Android 2.2 ROM for Desire is much faster than Android 2.1and almost 2 to five times faster than 2.1 as promised during the Google I/O keynote. There are many other useful features that comes with android 2.2 update apart from flash 10.1, native internet tethering, and application manager. You might like to visit here for feature list of android 2.2 froyo. It is important to note that android 2.2 Froyo does not support ext partitions. Do a factory reset before you install.
If you don’t want to port hacked android 2.2 ROM on your HTC Desire device, then make sure to wait until late June as HTC could be officially rolling out an Android 2.2 update by that time.
Download Android 2.2 Froyo ROM for HTC Desire
The hacked android 2.2 HTC Desire ROM contains Rooted Froyo ported to desire, Kernel 2.6.29 OCUV, CFQ scheduler, audio mod and 8 Mb ram hack.
DeFroST 0.3 Desire FroYo Full ROM
Via – xda-dev