When examining an N70 RPKG dump, the following artifacts yield the most intelligence:

The FAT16 partition contains standard Symbian folders:

Unlike the later .sis installation files or the flat binary dumps of older DCT3 phones, the RPKG format is a proprietary, containerized delta-update and partitioning scheme used by Nokia’s and JAF (Just Another Flash) tools.

This guide is for educational purposes. Using the wrong RPKG can permanently short the N70's power management IC. Always verify the checksum (MD5) of your downloaded file against the original Nokia release notes, which are available on the Wayback Machine.

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