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How to get phone software version in Java ME
This can be retrieved using:
In Nokia devices the 'details' consists of “Nokia”, the device model, and software version separated by “/”. There is no space between “Nokia” and the model number nor on either side of “/”. Formally, the syntax of the platform string is: Nokia MODEL_NUMBER “/” SW_VERSION. For example, Nokia6310i/4.42 or Nokia3510i/p1.25.
For more information see MIDP System Properties document on Nokia Developer.