Follow these steps to upgrade the BlackBerry Curve 8900 handheld device software:
To find out if you need this software:
Note: In order to upgrade from 4.0 software to 5.0 software, a data plan is required.
Upgrading your BlackBerry:
* These software downloads are only compatible with Windows OS.
See also: Install BlackBerry Desktop Manager 6.0: BlackBerry devices (All)
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