Source -->>HTC India
Update – HTC Legend Firmware Over The Air (FOTA) update
In our commitment to providing you with the best user experience, we are pushing out a new firmware update to your phone. Your phone will receive a notification of this update when it is made available. Simply press OK to accept the update via a data connection such as Wi-Fi or GPRS/3G. After installing the update, you can confirm a successful update by confirming the Software Number (From the Home Screen go to MENU> Settings> About Phone> Software information> Software number). The new software number after the update will be 2.05.720.1 Update Information: Enhance data connection stability
Fix loss of ringtone for incoming call Note：We recommend using a free Wi-Fi hotspot or an unlimited data plan to apply this update. If not, standard data connection charges may apply.
I have already updated the same.