BlackBerry App World™ for BlackBerry® smartphones
When attempting to download or upgrade applications from BlackBerry App World the following message appears:
No Cached Credentials. Error ID 40721
The BlackBerry smartphone is on a data plan that does not include BlackBerry Internet Service.
Note: If an active BlackBerry Internet Service plan does exist, ensure that the signal strength is at a level that will allow for data services.
Connect to a Wi-Fi network and login to BlackBerry App World.
Contact your wireless service provider to add a BlackBerry Internet Service plan.
Note: For a complete list of requirements for BlackBerry App World, please see KB17659.
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(b) not to copy, distribute, disclose or reproduce, in full or in part any of the documents without the express written consent of RIM.
Visit the BlackBerry Technical Solution Center at www.blackberry.com/btsc.