An RPKG designed for an RM-159 will hard-brick an RM-247. Always check your Product Code (e.g., 0549487 for a UK Classic N95) via the sticker under the battery or using *#0000# on the dialer.
Remember: Without an RPKG, your N95 is just a museum piece. With a custom RPKG, it becomes a time-traveling superphone. Treat the files with respect, triple-check your RM code, and never flash during a thunderstorm. nokia n95 rom rpkg
For those working with original hardware, firmware is handled using legacy flashing tools or modern extraction scripts. An RPKG designed for an RM-159 will hard-brick an RM-247