Nokia Tool by Rollis 1.8 is a legacy software utility developed in 2003 by a user named Rolis. It was primarily designed to manage and repair older Nokia mobile devices using the M-Bus protocol
Reading Phone Information: Extracting the IMEI and firmware version from the device.
This was the most used feature set for technicians unlocking phones for different network carriers.
The software communicates with the phone via a physical serial connection, not standard modern USB. Legacy OS: