The BlackBerry Curve 3G 9300 currently has a software update to BlackBerry OS 6.0.
A data plan is required to complete this update.
The latest software version can be downloaded from http://www.t-mobile.com/bbupgrade/
The BlackBerry OS 6 software version 18.104.22.1686 resolves intermittent issues with calling and internet access.
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You can update your device software through your computer, even if you have not received the Over the Air notification. To download or check for updates, refer to these documents:
If you are experiencing any difficulty completing the software update after receiving the OTA notification, contact Customer Care for further assistance.
Online BlackBerry device software updates: BlackBerry
Using the BlackBerry Desktop Software to install device software: BlackBerry
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