The present disclosure provides a method and a system for connecting a computing device to a multi-function device (MFD) associated with a cellular identification code and an address. A computing device sends a connection request including an access code over a cellular network to access a MFD. The connection request is processed to identify the MFD. Processing includes, comparing the access code with a pre-populated list of cellular identification codes for validation, and determining the IP address corresponding to the validated access code. On determining the IP address of the identified MFD, a cellular data connection is set up between the computing device and the MFD.