Methods and electronic devices are provided for configuring a sharing target device. A method includes transmitting, to an authentication server associated with a mobile network operator for managing data usage, a device configuration request message for configuring the sharing target device to share a data usage amount assigned to the electronic device; receiving, from the authentication server, in response to the device configuration request message, an access code permitting access to the authentication server; and transmitting the received access code to the sharing target device, wherein the sharing target device receives, using the access code, a subscriber profile from the authentication server for sharing the data usage amount assigned to the electronic device.