Messages are stored in a pretty self-explanatory XML file, so it should be easily possible to create one to import messages from your old device.

Installation:
Copy the provided executable to your device and start it.

Update Description:
v1.0.1:
- Fixed swapped day of month & month on some non-US locales.
- Fixed crash on empty fields in SMS (thanks to Ondrej Pavlicek).
- Fixed import on smartphones.
- Fixed a rather mysterious "just nothing happens" error (thanks to Axel Klag).
- Fixed wrong time after import (thanks to Axel Klag).

v1.0:
- Initial release.