Official OS 6.0.0.576 For The BlackBerry Torch 9800 From Bharti Airtel Limited

Software For BlackBerry® Torch™ 9800 smartphone
BlackBerry Handheld Software v6.0.0.2554 (Asia)

Package Version: 6.0.0.2554
Consisting of:

Note: The Software Platform and Applications version numbers can be found under Options-About screen on the handheld.

Please report any feedback/findings in the comments.

REMEMBER: It is recommended that you make a backup before attempting to upgrade your BlackBerry just in case something goes wrong during the upgrade process. *