Methods and apparatus are presented for a morphing search tool that provides a single user interface through which a user may both modify a displayed image and perform an image similarity query based on the modified image. According to the invention an access network management device in an access network section of a wireless network sends a request for a tracing regarding a wireless terminal to a core network management device in a core network section of the wireless network. A contact piece is contacted with the heat spreading member over a contact area smaller than the predetermined surface.