If you've ever found yourself facing a locked phone asking for its PUK code, you know that you're kinda in a bind when that happens. Typically you need to call your carrier, wait the standard 3.44 ...
Personal unlocking keys (PUKs) are needed when you've locked yourself out of your phone, or you want to switch from specific networks.
Ihr wollt euer Handy nutzen, doch auf dem Display steht nur „SIM-Karte gesperrt“ oder „PIN erforderlich“. Kein Netz, keine ...