You might think this is obsolete. You would be partially right. But the emulation and preservation community has resurrected the RPKG format.
Think of it this way:
: Contents are repackaged without compression to ensure the emulator can access critical system libraries and servers instantly.
If you have ever wanted to cook your own custom firmware (CFW), de-bloat a vintage Nokia N95, or simply understand how Symbian’s core memory worked, you cannot ignore the RPKG. This article is your technical guide to understanding, extracting, and repacking the Symbian ROM RPKG.