411 REFERENCE · Wiktionary
PUK
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
personal unblocking key
Noun
en personal unblocking key personal unblocking key.
Italian
Etymology
it en PUK.
Pronunciation
puk
Noun
it noun m uncountable
PUK (the secondary password used to access a SIM card, once all attempts at writing down the PIN code have failed)
(by extension) PUK (any secret number meant to complement a PIN code when more authentication than usual is needed)