personal unblocking key

used in mobile phones to reset a PIN that has been lost or forgotten

en-GB/ˈpɜːsənəl ʌnˈblɒkɪŋ ˈkiː/
en-US/ˈpɝsənəl ənˈblɑkɪŋ ˈki/

ক্যাটাগরি:

authentication