As of March 16, the latest OS to be released for the BlackBerry Curve 8900 is 5.0.0.509.
This is not a leaked version, this is an official 5.0 release. Currently the only carrier making it available for download (from the blackberry.com site) is Wind Hellas.
To Download the new OS (note, people have reported this sometimes fails in chrome and Firefox:
- Go to the blackberry download site: http://na.blackberry.com/eng/support/downloads/#tab_tab_desktop
- Click “Access your service provider download site”
- Under Europe, Select Wind Hellas
- Select BlackBerry Curve 8900 and download the software
- Alternatively, you could try this rapidshare link: http://rs659.rapidshare.com/files/358651130/8900M_PBr5.0.0_rel860_PL5.2.0.47_A5.0.0.509_Wind_Hellas.exe
- You can check out our guide on how to load a blackberry beta os if you need some help installing an os that’s not from your carrier