BlackBerry App World™
BlackBerry® App World™ 2.1.2 and 2.1.3 code-lines will not work on BlackBerry® device software 4.6.x or 4.7.x due to changed API's and the way that the cod files are designed for newer versions of the BlackBerry App World™ application. As a result, when attempting to upgrade to either of these code-lines on a 4.6 or 4.7 device, the BlackBerry® App World™ icon will disappear.
This issue is now fixed with version: BlackBerry® App World™ 126.96.36.199.
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Visit the BlackBerry Technical Solution Center at www.blackberry.com/btsc.