Originally Posted by SteveO86
1. Download the desired OS.
2. Install the downloaded OS
3. Find and delete Vendor.xml
4. Plug BB in, run the Desktop Manager App Loader.
App loader should pick up the new OS and start the process try it that way and let me know how it works out.
Originally Posted by unggu88
Hi I have the same problem here. I used to upgrade my 8900 to os 206, and then I upgrade with beta 500 but the beta software has some application that I cant open, so I decided to downgrade to 0s 206, but it does not work. I have follow the instruction but the software still doent want to run.
See my above post... It worked for the OP, we went back and forth via PM till he got it resolved.