If you want to convert your files to eAAC+ format on your PC, for use on your Nokia phone, use the following program
Transfer music app in ‘Nokia PC Suite’
To change the ringtone on your Nokia E90:
Settings | Personalise | Tones | Find Ringtone.
We recommend you use carbide.ui to create themes for your Nokia E50.
The following link contains some examples of Nokia E50 themes:
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