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  1. The *#21# and ##21# Codes: Meanings and Uses Explained in this …

    Jun 8, 2023 · What is the meaning of the ##21# code? When you dial ##21# on your phone, what it does is erase all your call forwarding. If you have been looking for a way to disable or wipe …

  2. 21 (number) - Wikipedia

    21 (twenty-one) is the natural number following 20 and preceding 22. The current century is the 21st century AD, under the Gregorian calendar. Twenty-one is the fifth distinct semiprime, [1] …

  3. FACT CHECK: Does Dialing ‘*#21#’ Reveal If Your iPhone Is Wiretapped?

    Jul 29, 2020 · How-To Geek, an online technology magazine, describes “*#21#” as the interrogation code to view “whether call forwarding is enabled.” In a photo showing the results …

  4. Code: *#21# Meaning and Explanation Of The Hoax - SimplyMac

    Aug 19, 2024 · *#21# is a specific Unstructured Supplementary Service Data (USSD) code that, when entered, allows you to check if call forwarding is enabled on your mobile device. Think of …

  5. What does dialing *#21# do on iPhone? - Apple Community

    Aug 17, 2020 · It's actually *#21# All that code does is tells you if call forwarding is on or off. There's a whole bunch of things you can do with these secret "codes." they are harmless as …

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