A simple one, I guess:

I recently bought a new (unlocked) iPhone, and at the same time changed my phone subscription to another operator. How can I set the PIN code on the new SIM card to something other than the default? With a quick look, I couldn't find anything related in iPhone settings.


You can find the option under Settings > Phone > SIM PIN.

  • 2
    Ah, I somehow overlooked that. I guess "Phone" was just too obvious. :)
    – Jonik
    Oct 9 '10 at 0:05
  • The SIM PIN option wasn't under Phone, but Mobile Data, like the answer blow suggests (might have changed since 2010)
    – Andomar
    May 4 '20 at 7:58

The setting to change SIM PIN can be found under Settings app → Mobile Data → SIM PIN and not under Settings app → Phone.

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