Official OS 6.0.0.600 For The BlackBerry Torch 9800 From AT&T 0

RIM ever release the OS updates via operator AT&T, today is available via AT & T made ​​that was troubled from the web Download operator AT&T.

You can install the OS to the device operator to delete the file your state vendor.xml
You can also use the BlackBerry Swiss Army Knife (BBSAK) but the required expertise is using this application.
so please note the way back up to avoid error at upgrde OS, Pls you first learned to upgrade the BlackBerry OS, make sure to do it carefully or try to ask someone WHO has been accustomed to upgrade the OS.
Any risk arising from this OS upgrade is beyond the responsibility blackberrycyber.

Software For BlackBerry ® Torch ™ 9800 smartphone
BlackBerry Handheld Software v6.0.0.2647 (Multilanguage)
Package Version: 6.0.0.2647
Consisting of:
Applications: 6.0.0.600
Software Platform: 6.6.0.223
File name: 9800M_PBr6.0.0_rel2647_PL6.6.0.223_A6.0.0.600_AT_T.exe
File size: 168.1MB

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

Download OS 6.0.0.600 for the BlackBerry Torch 9800 from AT&T