• OrganicMustard@lemmy.world
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    1 month ago

    For around a year.

    It may also be that your phone number is flagged as dubious if you have used it many times to log in, to avoid people using online temporary numbers.

    • michael_palmer@lemmy.sdf.org
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      1 month ago

      I don’t think so. I tried different numbers from different countries, even brand new SIM cards. Viber and Telegram also behave this way.