Sprint today has posted the official version of 4.5 OS for the 8130 and 8330 devices available for download. This big update includes MMS support, improved email layout, local search and improved music management.

IntoMobile posted a list of the 4.5 updates:

• Refreshed Look – Enjoy new face of messages, address book entries and calendar.
• Improved Email Layout  – View a new look of tables, images and fonts.
• Remote Search – Find emails that are stored on a BlackBerry® Enterprise Server.
• Edit Microsoft  Word and Microsoft PowerPoint Files – Just download the attachments and start typing!
• Save Time as You Type – Word completion for SureType keyboards will monitor what you type.
• Local Search – Enter a search term like ‘pizza’ to view a list of places to grab a slice within a 30-km radius.
• Improved Music Management – See all your music files, or filter them by artist, album or genre, create and edit playlists.
• Free/Busy Lookup – View your colleagues’ calendars on your smartphone.

You can download OS 4.5 for the Sprint BlackBerry 8130 and 8330 here.

[via IntoMobile]