11-03-2008 12:51 AM
I followed this link word by word and it worked like a charm!!!!
let me know if it helps ya...
11-03-2008 01:22 AM
Check below steps for OS upgrade -
Before starting make sure that BlackBerry Desktop Software is installed on the computer.
Make sure that you have installed updated device software installed in your PC. Check this link to get update device software from carrier OS download site.
Users can perform a full or selective backup of the data using the Backup and Restore tool in BlackBerry Desktop Manager by completing the following steps:
To perform a clean install of the BlackBerry Device Software, perform the following steps:
If your query is resolved then please click on “Accept as Solution”
Click on the LIKE on the bottom right if the post deserves credit
11-04-2008 03:37 AM
I am also trying to change version of OS from 4.2 to 4.5 of device BB 8100.
I have BB desktop Manager Software 4.5 installed.
I am trying to follow steps 6,7 and 8 but not able to do that.
At last I am not able to upgrade my OS. Can you please suggest some way.