摘要:
A contents streaming method of a user terminal device is provided. The method includes converting a certain portion of contents into a first format based on information to initially display contents on the external device, transmitting the certain portion of contents converted into the first format to the external device, converting the contents into a second format different from the first format after transmitting the portion of contents converted into the first format, and transmitting the contents converted into the second format to the external device.