Abstract: The method generates a candidate list in accordance with the contents of frames transmitted by access points and sequentially performs the handshaking operations with the access points on the candidate list to select a personal identification number (PIN) enabled access point. During the candidate list generating process, this method places Wi-Fi protected setup (WPS) PIN-enabled access points at high priority positions but eliminates non-WPS access points and WPS push button configuration enabled access points.

Abstract: The method generates a candidate list in accordance with the contents of frames transmitted by access points and sequentially performs the handshaking operations with the access points on the candidate list to select a personal identification number (PIN) enabled access point. During the candidate list generating process, this method places Wi-Fi protected setup (WPS) PIN-enabled access points at high priority positions but eliminates non-WPS access points and WPS push button configuration enabled access points.

Abstract: An external device includes a controller, a connector, a function circuit, and a storage device. The storage device stores firmware and an image file. The image file includes an installation program and a driver. The external device is coupled to a host via the connector. The firmware can drive the controller to generate a virtual optical disc drive in the host and load the image file to the virtual optical disc drive so as to start the installation program. When the host does not have the driver, the installation program can install the driver in the host. When the host has the driver, the host can drive the function circuit to work.