How do I unlock SIM PIN on iPhone 4?

How do I unlock SIM PIN on iPhone 4?

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 is SIM PIN in cellular settings?

SIM PIN is an optional feature that when enabled, prevents a SIM card from being used by others for phone calls or cellular data. Every time the device is restarted or the SIM Card is removed, the SIM card will automatically lock and display “Locked SIM” in the status bar.

Where can I find my PUK code for my iPhone?

1. Get the PUK code from the SIM card packaging

1. The PUK code is printed on the plastic card holding the SIM.
2. The PUK code might be hidden under a scratchable area.
3. Scratch off the area to reveal the PUK code.
4. Sign in to get the PUK code.
5. Give your mobile carrier a call to ask for your PUK code.

How do I reset my iPhone SIM PIN?

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

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

How do I get the PUK code for my Iphone?

Go to your account overview and open the My wireless section. Scroll to My devices & add-ons and choose the device that needs a PUK code. Select Manage my device. Under See device options, select Get your PIN unlock key (PUK).

Is my phone SIM locked?

It’s simple to find out if your phone is locked. Simply insert a SIM card from another carrier (you’ll be able to get one free from a phone shop or by ordering one online) and see if the name of the network appears on your handset. If it does and you’re able to use your phone, it’s unlocked.

How do I enter a SIM pin on my phone?

If you have an iPhone, go to Settings > Phone > SIM PIN. If you have an iPad, go to Settings > Cellular Data > SIM PIN. Turn on your SIM PIN or turn it off. If asked, enter your SIM PIN.

How to turn off Sim pin on iPhone?

Turn Off SIM PIN 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. See More….

What is a SIM pin for iPhone or iPad?

Use a SIM PIN for your iPhone or iPad. Lock your SIM card with a PIN (personal identification number) to require an identification code for phone calls and cellular-data usage. To protect your SIM card from others using it for phone calls or cellular data, you can use a SIM PIN.

Can I try to guess my Sim pin?

Don’t try to guess your SIM PIN. The wrong guess can lock your SIM card permanently, meaning you would need a new SIM card. If you have an iPhone, go to Settings > Mobile Data > SIM PIN. If you have an iPad, go to Settings > Mobile Data > SIM PIN. Turn on your SIM PIN or turn it off. If asked, enter your SIM PIN.

How do I change SIM lock on iPhone?

How do I remove the restrictions on my iPhone SIM?

Go to Settings > General, and tap About. Under Carrier Lock, you should see a message that says “No SIM restrictions.” If you don’t see that message, contact your carrier.

Can you switch SIM cards on a locked iPhone?

If you change the SIM card provider, your iPhone shouldn’t be locked to a particular carrier. For example, if your old SIM card provider is AT and iPhone is carrier-locked, you can’t use a new SIM card from a different provider. For that, your iPhone needs to be unlocked.

Why does my iPhone say SIM locked?

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 iPhone say SIM is locked?

Then, every time you restart your device or remove the SIM card, your SIM card will be locked automatically and you’ll see “Locked SIM” in the status bar. Don’t try to guess your SIM PIN. The wrong guess can lock your SIM card permanently, meaning you would need a new SIM card.

Can you remove SIM lock?

So, if you are using a Simlock-enabled handset and wish to remove the SIM lock on your iPhone or Android device, now you can remove the SIM lock officially itself without any third-party software or tools.

Can you put a new SIM in a locked phone?

Nothing. If you put your sim card in a locked phone, the sim will simply not work. When a phone is locked, it means the phone is locked to a particular carrier and unless the sim card you are putting into the phone is from that same carrier, then it will not work.

Can a SIM locked iPhone be unlocked?

You just need to pop the new SIM card in then and it should show as unlocked. If not, you’ll need to connect the device to iTunes/the Finder with the non-O2 SIM, and iTunes will confirm the unlocking.