• Log in to the BlackBerry App World vendor portal with either an Admin role or a Product Submit/Modify role.
• You can add release information manually, or you can create .zip files that contain release information.
• If you add multiple releases for a product designed for BlackBerry PlayBook tablets or BlackBerry smartphones that supportBlackBerry 10, verify that the .bar files for each release have the same package ID.
• Verify that your images are properly formatted and that your product files are prepared for upload.

Find out more about the Best Practices