The core of the S60v1 ROM is the Kernel and the File Server. Unlike later versions of Symbian that introduced "Platform Security" to lock down the system, S60v1 was the Wild West.
The first app store (Handango) started on S60. The first mobile Python interpreter (PyS60) ran on v1. The first 3D games on a phone (Tony Hawk's Pro Skater on N-Gage) booted from an S60v1 ROM. s60v1 rom
By preserving and flashing these ROMs today, we aren't just fixing old plastic. We are maintaining a museum of innovation, one 16MB binary at a time. The core of the S60v1 ROM is the Kernel and the File Server