This manual covers the basic operation of the Nokia N91, including how to insert and manage SIM cards, connect the phone to a PC via USB, and replace the battery. It also explains GPRS settings and other common functions.
Additional sections provide troubleshooting tips, safety information, and details on accessories that can be used with the device.
The manual includes a section on SIM card handling for the N91.
Use the USB cable as described in the USB connection section.