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).

How do I stop my SIM card from locking on iPhone?

Turn your SIM PIN on or off

1. If you have an iPhone, go to Settings > Mobile Data > 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 network provider.
4. Tap Done.

How do you unlock a SIM locked iPhone?

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.

What does SIM card locking do?

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone’s use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers finish their service contracts. If the contract period is over, the phone may be unlocked by entering a code from the carrier.

How do I stop my SIM card from locking?

Enable or Disable SIM PIN Lock on Android Smartphones

1. Click Settings.
2. Select Security.
3. Select Set up SIM card lock.
4. Toggle the SIM card lock feature On or Off. You will be prompted to enter your SIM PIN.

Can SIM lock be removed?

Usually the unlock process is permanent. The code required to remove all locks from a phone is referred to as the master code, network code key, or multilock code. If the phone is network locked it will typically display one of the following messages: SIM network PIN blocked, Enter lock PIN.

How do I turn off SIM lock?

How do I turn SIM lock off?

Can you unlock a locked SIM card?

However, the SIM card will always have a Personal Unblocking Key (PUK Code). A PUK Code is set at the factory and is unique to each SIM card. This code can be used to unlock a SIM card if you don’t have the PIN.

How do I change SIM lock on iPhone?

Pop open the Settings app on your iPhone and then follow these simple steps:

1. On the Settings screen, tap Cellular.
2. Select SIM PIN.
3. Tap Change PIN.
4. Enter your current PIN and click Done.
5. Enter your new PIN, and tap Done. Enter it again to confirm the change, and tap Done.

How do I find my SIM lock PIN?

Setting Up SIM Card Lock in Android Phones

1. Step 1: Go to “Settings”.
2. Step 2: Tap “Lock Screen and Security”.
3. Step 3: Tap “Other security settings”.
4. Step 4: Tap “SIM card lock”.
5. Step 5: Tap “Lock SIM card, ” and you will be asked to enter the PIN via a pop-up.

How do I turn off sim lock on iPhone 12?

iPhone 12/12 Pro: How to Enable/Disable Sim Pin – YouTube

Can you unlock a SIM card?

What is the unlock code for SIM?

If you know the password, enter it to unlock your SIM. If not, you can unlock the SIM with a PUK (pin unlock key) that comes from your mobile provider. The default SIM unlock code for T-Mobile and Sprint is 1234, while the default unlock code for Verizon and AT is 1111′.