Why does my SIM card keep locking on iPhone?

Why does my SIM card keep locking on iPhone?

The SIM card on your mobile phone will become locked if you enter an incorrect personal identification number (PIN) three times. To unlock it you must reset your PIN by entering your SIM card’s unique unlock key (also called a PIN unblocking key or PUK).

Why does my phone keep saying SIM card locked?

The SIM Card on your mobile device will become locked if you enter an incorrect SIM PIN three times. The default Optimum Mobile SIM PIN is “1234”. To unlock your SIM Card, reset the PIN by entering your SIM Card’s unique PUK (PIN Unlock Key).

Do iPhones lock to the first SIM inserted?

The iPhone will lock itself to the network of the first SIM card that is used in the phone. SIM free iPhones can only be used with a UK-network SIM card, and will not accept foreign SIM cards.

What do you do when your iPhone SIM is locked?

If you forgot or don’t know your SIM PIN

  1. Contact the carrier that gave you the SIM card.
  2. Ask your carrier to help you unlock your SIM card using the default SIM PIN or PUK code.
  3. If you can’t unlock your SIM card using the SIM PIN or PUK code or if an alert says, “PUK exhausted,” ask for a new SIM card.

How do I fix my locked sim on my iPhone?

How to (accidentally) lock yourself out of your SIM card

  1. Launch Settings on your iPhone.
  2. Tap Cellular.
  3. Select SIM PIN.
  4. Tap the toggle to turn SIM PIN to OFF.
  5. If you fail the three attempts, your iPhone will ask for a PUK Code, which you can only obtain by calling your carrier.

How do I fix my locked SIM on my iPhone?

How do I remove SIM lock on iPhone?

Turn your SIM PIN on or off

  1. If you have an iPhone, go to Settings > Cellular > SIM PIN. If you have an iPad, go to Settings > Mobile Data > SIM PIN.
  2. Turn on your SIM PIN or turn it off.
  3. If asked, enter your SIM PIN. If you’ve never used one, enter the default SIM PIN from your carrier.
  4. Tap Done.

How do I unlock my iPhone sim lock?

Of course, you don’t want to lock yourself out, but this is how it happens.

  1. Launch Settings on your iPhone.
  2. Tap Cellular.
  3. Select SIM PIN.
  4. Tap the toggle to turn SIM PIN to OFF.
  5. If you fail the three attempts, your iPhone will ask for a PUK Code, which you can only obtain by calling your carrier.

Are new iphones carrier locked?

When you buy a new iPhone, if you don’t pay the entire price up front, it’ll be “locked” to your carrier. This means that, until you pay it off, your phone can only connect to that carrier’s network and no others.

What do you do if you forgot your SIM PIN?

In fact, there’s no way to reset a SIM PIN at all. Once you’ve chosen one, you’re stuck with it if you’ve forgotten it. You only have three attempts to unlock your SIM card via PIN. If you input the wrong SIM PIN three times, your SIM card will be locked — cutting off access to voice and data.