Use a SIM PIN for your iPhone or iPad

Lock your SIM card with a PIN (personal number) so that an identification encode is required for phone calls and animate thing data usage.

To stop strange people from using your SIM card to make phone calls or use cellular data, you can use a SIM PIN. Then, every time you re-start your device operating theater remove the SIM wag, your SIM card wish automatically follow fastened and you'll see "Locked SIM" in the status block.

Don't try to guess your SIM PIN. The wrong guess can for good lock your SIM card, meaning you would need a new SIM card.

Turn your SIM PIN happening or off

  1. If you have an iPhone, attend Settings > Cellular > SIM Tholepin. If you have an iPad, go to Settings > Mobile Data > SIM Stick.
  2. Excite your SIM PIN Oregon turn it bump off.
  3. If asked, inscribe your SIM PIN. If you've ne'er old one, enter the default SIM PIN from your carrier. If you don't know what the default SIM PIN is, don't try to surmisal it. Check your carrier's customer serving page or the documents that came with your wireless plan. Or you give notice contact your carrier.
  4. Tap Cooked.

If you have forgotten operating room put on't know what your SIM PIN is

Never strain to guess a SIM PIN or PUK inscribe. * The wrong guess can permanently lock your SIM card, and then you would need a new SIM card. If your device asks for a Personal identification number or code that you don't know, here's what to do:

  1. Contact the carrier that gave you the SIM circuit board. If you aren't sure which carrier to call, remove your iPhone SIM card or iPad SIM card and check the card for the attack aircraft carrier's name surgery logo.
  2. Ask your newsboy to help you unlock your SIM card using the default SIM Flag or PUK code.
  3. If you can't unlock your SIM notice using the SIM PIN or PUK code or if an alert states, "PUK washed-out", ask for a red-hot SIM card.

*If you enrol the wrong SIM PIN too many multiplication, your wireless newsboy may cost able to have you a Personal Unlocking Key (PUK).

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