HTC statement: "eclair update for HTC Android Hero will be released in late June. upgrade will come in two parts, the first of this week will roll and will be detected when the next Hero automatically checks for software updates. The second part of the update will follow towards the end of the month. As the second part of the upgrade will erase all data on the handset, users must ensure Hero important data backed up before proceeding with the installation. Because of the size of the update, whenever possible, we recommend using a WiFi connection to download it to avoid the additional cost data. "
Okey this is the latest update is for HTC Hero, please enjoy our advice and follow the directions according to HTC's statement above before you perform the installation.