How to Lock and Unlock Function (Fn) key in Windows 11/10

Michael Scott was your manager? on Instagram: "In older GSM phones (like classic Nokia or Motorola models), if you entered the wrong PUK (Personal Unblocking Key) 10 times, the SIM card would get permanently disabled, not temporarily blocked, not “try again tomorrow”… but fully dead. No software fix. No reset trick. Only solution: get a new SIM from your carrier. And here’s the wild part, the PUK wasn’t stored on the phone. It was generated and held by your mobile network operator, so even facto