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WiFi is the nickname for Wireless Fidelity - high speed internet and network connection without the use of wires, cables and other stuff you can trip over.
To upgrade your android and other OS you need a faster network and Wi Fi provides you with the wireless network. You know the technology and still most of us ask this question more often what does Wi Fi stand for? In this context, we will try to figure it out . What does WiFi stand for and What is WiFi? Wi-Fi is the bridge that allows electronic devices to connect to the networks. Wi-Fi is local area wireless computer networking technology that enables you to connect your electronic gadget that has the Wi-Fi facility to connect to the network. Wi-Fi uses either of the two elements and they are as follows: 4 gigahertz UHF.