The update takes the software version on the 5800 from 52.0.007 to 60.0.003. While it mostly focuses on improving the performance and fixing bugs on the device the Web application is updated from 7.2.6.9 to 7.3.1.33 thus bringing the Symbian Anna browser to the 5800
The update will be made available OTA and your should be alerted about the update in the Software update section. You can also download the update using Nokia Ovi Suite. Please remember to first backup your data before performing an update in order to avoid loosing any data.