Canadian customers on Bell network owning a HTC Desire Z smartphone ready to receive a software update. The new firmware build 2.42.666.11 is pushing out now over the air (OTA). It is not Android 4.0 Ice Cream Sandwich as some of you might expect but rather a maintenance update which improves phones stability, performance and security.
A change log is not available at this time. If you didnt got prompt via WiFi notification do a manual check tp see if the update is there for you by going into the Menu> Settings> About phone> System software updates> Check for updates or follow HTC official guide on how to update your device.
Let us know if you do manage to pull the update on your device, how it is and whats changed as HTC nor Bell released a change log yet.