A method is provided for manufacturing a MirrorBit Flash memory with high conductivity bitlines and shallow trench isolation integration. According to the information providing method of the electronic apparatus, when a video call is made, a user making the video call is identified, at least one piece of information-of-interest of the identified user is acquired based on user’s usage information on social network services, and the at least one piece of information-of-interest is displayed on a video call screen. Based on the signal reports, the access point determines a distribution of signal qualities experienced by the user devices.