Here’s some informative content regarding the Nokia N95 RM-159 / RM-320 / RM-331 and the concept of RPKG files in the context of custom firmware (CFW) and exclusive ROM releases.
This white paper outlines the preservation and extraction process for "exclusive" ROM data, focusing on the
The Ghost Prototype: The "exclusive" legend grew in 2020 when an unreleased HMD Global N95 prototype
Resource Archiving: Modders use tools like the RPKG Tool to extract and modify internal system assets from Glacier-engine based software or related archives. Essential Firmware for the Nokia N95