HTC is pushing out a new a new firmware update for your HTC Legend. Fixes include enhance data connection stability & fix for loss of ringtone for incoming call.
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 Build number (From the Home Screen go to MENU> Settings> About Phone> Software Information> Build number). The new Build number after the update will be 2.06.708.2
Note:Please back up your data first before upgrading your phone.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. For any questions, please contact HTC at +852-3520-1234.

