To protect your SIM card from others using it for phone calls or cellular data, you can use a SIM PIN. Then, every time you restart your device or remove the SIM card, your SIM card will automatically lock and you'll see "Locked SIM" in the status bar.

How do you fix locked SIM on iPhone?

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.

Why does it keep saying SIM card is 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).

What does locked SIM mean in iPhone?

If your iOS device displays the Locked Sim message, in the top-left corner of the screen, you won't be able to perform any cellular calls, or benefit from Mobile Data connectivity. This happens because your SIM card is deactivated and you practically don't have any link with the nearby cellular towers.

How do I turn off SIM lock on iPhone?

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.

The ONLY Way To Unlock Any iPhone From Any Carrier ●

How do I remove SIM lock?

First, go to Settings in your Android device's main menu. In the Settings menu, choose Security, then Set up SIM card lock. First, here's how to disable the SIM card PIN. All you have to do is to uncheck the box next to “Lock SIM card” and then confirm the change by inputting the current PIN code.

How do I fix my locked SIM?

To unlock your SIM Card, reset the PIN by entering your SIM Card's unique PUK (PIN Unlock Key). Note: Entering an incorrect PUK (PIN Unlock Key) 10 times will permanently lock your SIM Card. If the SIM Card becomes permanently locked, you will need to swap it for a new SIM Card.

Why does my SIM card not work?

Sometimes dust can get between the SIM and your phone causing communication issues, to remove the dust: ... Clean the gold connectors on the SIM with a clean lint-free cloth. Replace the battery and turn your phone on without the SIM. Turn your phone off, replace the SIM and restart the phone.

Why is my SIM card not working on my iPhone?

Restart your iPhone or iPad. ... Remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the SIM card back. Make sure that the SIM tray closes completely and isn't loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly.

How do I get the PUK code for my SIM card?

Find your PUK on the SIM card pack

If you've still got the little pack that the SIM came in, check on the credit-card sized bit of plastic that the SIM snapped out from. The PUK Code is an eight digit number, and is usually printed on the back.

What is PUK code for SIM?

Your PUK (Personal Unlocking Key) is an 8-digit code unique to your SIM card. If you don't know your SIM PIN, you can use your PUK code to unlock your mobile and reset your SIM PIN.

Why does my phone say no SIM card when there is one?

The reason why does your phone show no SIM card error is that your phone is unable to properly read the contents of your SIM card. This usually happens when your SIM card is not installed properly, it is damaged, or your phone has software problems after a software update.

How do I get my iPhone to read my SIM card?

1. Tap “Settings.”
2. Tap “General.”
3. Tap “About.”
4. The entry titled ICCID is your SIM card number.

How do I activate my iPhone SIM card?

1. Insert the SIM card in your iPhone using the SIM card tray eject pin. Dave Johnson/Business Insider.
2. Configure your Wi-Fi network – or you can do that later and just activate over the cellular network. ...
3. Choose how you want to restore data to your iPhone (or just set it up as a new device).

How do you reset your SIM card?

1. Insert the SIM card into your cell phone's SIM card slot. ...
2. Access the "Settings" menu. ...
3. Click on the "Reset" option. ...
4. Insert the SIM card into your phone.
5. Access the "Phonebook" menu options and select "Management" or "Settings."
6. Choose "Delete All" and confirm the action.

How do you fix a SIM that won't move?

ResetSim method:

Type resetSim Firstname Lastname and click Enter. Make sure you enter the name of the Sim you want to reset. For example: If you want to reset Gobias Koffi, type: resetSim Gobias Koffi, and press Enter. If you need to reset all of the Sims in your current game, you can type resetSim *.

Where do I enter the PUK code on my iPhone?

1. Contact Customer Care to request your PUK code.
2. Ttap Unlock on the PUK prompt. If you don't see the prompt, tap Phone > Keypad.
3. Enter the PUK code, then tap OK.
4. Enter a new PIN code, then tap OK.
5. Re-enter the new PIN code, then tap OK.
6. Wait for the device to finish unlocking.

Can you unlock a SIM locked phone?

You can remove the SIM lock by performing an unlock procedure on the phone. Although the specific unlock instructions differ according to your phone model, the procedure consists of obtaining an unlock code from your existing mobile provider. You can also buy a code online if the provider is unable to give it to you.

What happens if you switch SIM cards in iphones?

If you change it for a SIM from the same carrier, nothing happens, the device continues working as before. If you change it for a SIM from another carrier and the phone is locked to the original, then it will work as a fancy iPod, none of the phone capabilities will be available.

Can you just switch SIM cards in iphones?

Many people wonder if you can really just switch SIM cards on an iPhone. Yes, you absolutely can. ... If you intend to use a third-party SIM card, your phone must be unlocked: This won't be a problem if you purchased your phone directly from Apple as they generally sell them unlocked.

Why won't my SIM card work in a different phone?

If the SIM card and phone serial number didn't match, the phone simply wouldn't work. The SIM card wouldn't work in other phones, and the phone wouldn't work with other SIM cards. If you lived in North America, you could usually determine whether your phone is GSM or CDMA based on the service provider you used.

How do you unlock an Apple iPhone?

1. Only your carrier can unlock your iPhone. Contact your carrier and request an unlock. Your account might need to meet requirements for unlocking. After you submit the request, it might take a few days to complete. ...
2. After your carrier confirms that they unlocked your iPhone, follow the steps below.

How do I unlock my iPhone without a SIM card PUK code?

1. Go to Settings.
2. Look for the Cellular option.
3. Tap the option that says SIM PIN.
4. There you need to switch off the Lock SIM card option.

What is the 8 digit PUK code?

The PUK (Personal Unblocking Key) code is a code consisting of 8 digits. It is used to unblock your SIM card when you entered 3 times a wrong PIN code. A card blocked by the PUK code cannot be unblocked; it cannot be used any further and you have to replace it.

How do I find my SIM PIN code?

1. Access Security Settings. ...
2. Go to the Advanced section. ...
3. Access SIM card lock. ...
4. Select the SIM card whose PIN you want to change or remove. ...
5. Tap on Biometrics and security. ...
6. Access Other security settings. ...
7. Access Set up SIM card lock.