The “Fi” in “Wifi” doesn’t mean anything. The creature is just called it that because it rhymes with “Hifi”.
“Wireless Fidelity” was never a full form for wifi.
Nevertheless, Wi-Fi Alliance used the advertising slogan “The Standard for Wireless Fidelity” for a short time after creating the brand name, and Wi-Fi Alliance was also referred to as “Wireless” in Fidelity Alliance Inc. “in some publications.”
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