I did this on my HTC Desire running OxygeN 2.0 RC7 ROM, and requires you have a root access to the ROM, and have a knowledge of adb from Android SDK install. As this just a quick how to I am not going to go into how to connect your phone etc, I sure you can Google that info.
Before we start remember to do a NAND backup
YOU are choosing to make these modifications, and if you point the finger at me for messing up your device, I will laugh at you.
OxygeN 2.0 Finally has been released over the weekend
Oxygen ROM is an AOSP source built ROM (ie. not a mod of any sense based ROM), it’s minimal, it’s superfast and mostly bugfree.
As Oxygen is not a mod/port of any HTC/CyanogenMod or any other ROM and may not be to everyones liking, it’s minimalistic and basic but I’m open to ideas and suggestions for improving the ROM.
Android v2.3.3 (GRI40) built from AOSP
Linux kernel v22.214.171.124
Minimal Google apps
Adhoc wifi network support
Advanced power menu with reboot options
Customizable browser user agent
Customizable light settings
Customizable status bar power widget
Download any file type
Full screen browser option
Improved widget picker
Long press back to kill mod (must be activated in Settings)
Optional battery percentage
Various other tweaks and features