How does Wi-Fi works ? Wi-Fi is preferred wireless way of internet connectivity on mobile devices. We connect to Wi-Fi at home/office/cafe/Hotels and public places to get fast internet connectivity and do all stuff using it. Usage of Wi-Fi has spread fast with smartphones/tablets as compared to laptops couple of years back. Wi-Fi uses network name (SSID) and shared-password to connect and that makes it easy for users to get internet without much hassle. Once you connect to a network, your mobile device remembers the network and tries to auto-connect to it whenever its available. Mobile devices store all this Wi-Fi network info and use to auto-connect on periodic basis so as to provide preferred connectivity; and all that happens behind the scene. May be its your android/iphone/blackberry/windows phone/tablet all work same way. Your phone tries to connect to Wi-Fi automatically. You can see list of Wi-Fi networks connected by your device going to settings > WiFi What i
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