A system, circuit, and device for waking up an application processor (AP) of the mobile device are disclosed. The system includes a low power personal area network (PAN) module configured to communicate with an external device for establishing a connection with the external device. The system also includes a controller for the low power PAN module configured to process a connection request signal from the external device and to wake up the AP of the mobile device in response to an AP on request signal from the external device when the connection request signal from the external device is verified as valid, where the controller is supplied with quiescent current from a battery of the mobile device prior to the wake up of the AP.