Don't make me do a screen shot, it's definitely there
Just follow this:
**Make sure you can VIEW hidden and system files in your PC**
1. Backup your phone.
1a. Back up 3rd Party apps (Optional)
2. Install your OS (in this case .216)
3. Del vendor.xml in program files>common files>research in motion>apploader
Now you can proceed in 2 ways:
1. clicking on the Loader.exe file in the same directory above or..
2. Launch DM and it should prompt you for software update.