Connection switching method applicable to remote controllable system and mobile device, remote controllable system using the same, and mobile device using the same

The disclosure is directed to a remote access method and related devices using the same. In one of the exemplary embodiments, the method would include not limited to initiating a first connection between a first wireless interface of a first mobile device and a first wireless interface of a third mobile device; activating a first wireless access point by using a second wireless interface of a second mobile device; detecting the first wireless access point by using a second wireless interface of the third mobile device; disconnecting the first connection by the third mobile device in response to the first wireless access point being detected; and initiating a second connection between a first wireless interface of the second mobile device and a first wireless interface of the third mobile device.