Android provides multiple network sharing such as Bluetooth, WI-Fi, USB connecting etc. Wi-Fi (or WiFi) is a local area wireless computer networking technology that allows electronic devices to network, mainly using the 2.4 gigahertz (12 cm) UHF and 5 gigahertz (6 cm) SHF ISM radio bands. Android provides best facilities to access network via Wi-Fi.

Here I am telling you to sign in Wi-Fi network to follow below steps.

1.    First you need to on Wi-Fi on your device. In Lollipop, swiping down from the

top of he screen brings up a redesigned notification area. You have to swipe down

a second time to bring up the toggle controls for Wi-Fi, Bluetooth and more.  

 

2.   After on your Wi-Fi you can see your Wi-Fi networks which is available on Wi-Fi

coverage 

 

3.      Now select your Wi-Fi network which you want to select. It can be tell you

password if password is compulsory for access networks.

    

If password is correct then you can access Wi-Fi network. Whenever Wi-Fi network is under your mobile coverage it will be automatically connect from Wi-Fi network.