^ you don't need to use the BB desktop Manager to update ^
*** ALWAYS DO A BACKUP OF YOUR IMPORTANT FILES ***
1. Download the OS file to the PC then install it to the PC by running (double clicking) the file you downloaded.
2. Go to c:\program files\common files\research in motion\apploader and delete the file named "vendor.xml."
3. Plug in your BB via usb cable and double click on "Loader.exe." It's located in the same folder as the above vendor.xml file.
Give it approx 25-40mins to update.
Please hit thanks if you find this post useful.
bakit po sa mga thread/tutorial na nababasa kapag nagsesearch ko re upgrading ng os 6 laging need ng desktop manager.have u tried updating ur os? bb9300 ba cp mo?tnx