HTC Desire S is the most iconic and well built android phone produced by the Korean giant. The phone is still getting all the support thanks to the amazing folks at XDA developers who have just released TWRP custom recovery for it. TWRP custom recovery for HTC Desire S will allow user to perform all sorts of modifications on it such as ability to install custom android ROMs, including this one and perform mods.
TWRP is like CWM but enables interaction using the HTC Desire S’s touch screen. You cannot do that in CWM and in that you have operate the device using volume up, volume down and power buttons.
Phone Pro User is only site that is offering download of the TWRP ROM for HTC Desire S a k a HTC Saga.