What causes PUK lock?

All replies. The Pin Unlock Key is requested after the SIM PIN is entered incorrectly too many times (I think three or four). Generally, only customer service can look up the PUK, and entering the PUK incorrectly too many times will permanently destroy the SIM card on most phones.

What causes PUK code lock?

If your SIM card is blocked, often you have entered the wrong PIN code too many times. It usually takes three to five wrong entries for your SIM to lock itself. This can be frustrating, but this protects you from someone trying to access your phone and your personal information.

Why does my phone keep asking for PUK code?

PUK is used to unlock SIM PIN and cannot be reset or modified by users. Your phone will only ask for PUK if you have locked your SIM by entering the incorrect PIN multiple times. When this happens, call your mobile network operator and request the PUK code.

Can I unblock a block PUK?

Call your wireless provider from another phone and ask to speak with someone about PUK unlocking. Provide the representative with information from the phone and SIM. Put the given code into the PUK lock screen to unlock your phone and SIM.

Why do SIM cards get 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).

How To FIX Locked Sim Card / Enter PUK Code Screen! (2021)

How do I unblock my SIM card?

If you entered 3 incorrect PIN codes and your phone displays “SIM card blocked” or “Enter PUK code”, your SIM card has been blocked to ensure your security. To unblock your SIM card, you must enter a PUK (PIN Unlock Key) code.

Can SIM lock be removed?

How to remove the SIM lock when starting your Android (including Samsung Galaxy) If you do not want to enter the SIM PIN code each time you start your Android smartphone or tablet, tap on “Lock SIM card” to turn off the switch. You are prompted to enter your current SIM card PIN code. Insert it, and then tap OK.

Can I get my PUK number online?

You can try online to find your PUK code as long as you have an online account through your network provider (most offer this service). Log in to your mobile phone account on your computer and look for a PUK code section on your account page.

Where is the PUK code on my SIM card?

On your SIM packaging

Your PUK code is the 8 digit number found on either the SIM or the additional SIM packaging.

How do I activate a blocked SIM?

Insert the blocked SIM into a working mobile phone. If you have tried pin codes that are incorrect before, all that you will see on your phone screen is “Enter PUK Code.” After this, check your SIM pack; if you still have it with you, you will be able to find your PUK code for your SIM card, and then you can enter it.

Why is my phone not reading my SIM card?

Reboot or Shut Down Your Phone

If what's causing your SIM card error is a software issue, sometimes a simple reboot is all it takes to fix the problem. For Android: Press and hold the power button until the pop-up window appears with the Restart option. Tap on it to restart the phone.

What is the 8 digit SIM 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 get my PUK code three?

You'll need to phone us to get a PUK code to unlock your SIM. Call us on 333 from a Three phone or 0333 338 1001 (standard rates apply) from any other phone to request a PUK code.

What is a PUK code for Android?

PUK stands for personal unlocking key. It is sometimes also called a PUC - personal unblocking code. If you insert the wrong PIN code three times on your Android smartphone, either when starting the device or when trying to change or remove the SIM PIN, your SIM card becomes PUK-locked.

Does factory reset remove SIM lock?

Answer: A: The device will work if the sim is from the same carrier. Factory reset does not remove a sim lock.

What is the default SIM PIN?

PIN is set to prevent unauthorized user to access your SIM. If your device locks when used with a SIM card and requesting for PIN code, simply insert your PIN code to unlock your SIM card. A new SIM card usually comes with a temporary default PIN of 0123 or 1234.

What is my SIM me lock code?

The default PIN number is 1234. 7 When the SIM card lock is activated, you can tap "Change SIM card PIN" to change to a new PIN number. 8 To disable the SIM card lock, tap "Lock SIM card" again, then enter the PIN number.

What happens if SIM is blocked?

Blocking SIM has nothing to do with your data in phone. SIM is only for saving messages, making calls and saving contacts. Messages and contact can be save in handset too if chosen. Blocking SIM make sure that no one can use your SIM to make calls/msgs, which can lead you in big trouble.

Can you unlock a permanently locked SIM card?

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.

Is a SIM number the same as a PUK code?

Your SIM PIN is different to your PUK and your phone passcode. It's a 4-digit number that lets you lock your SIM card to one device. By default, your SIM PIN is the last four digits of your PUK. You can change your SIM PIN through your device settings.

Why did my SIM card suddenly stop working?

Your SIM card or device may be configured for your previous network and will need to be reconfigured. Contact your current network for assistance. Sometimes dust can get between the SIM and your phone causing communication issues, to remove the dust: Turn off your phone and remove the SIM card.

How do you reset a SIM card?

Select the "Settings" icon. Select "Backup & Reset." Select "Factory Data Reset." Select "Reset Phone."

Can you unblock a phone that has been blocked by the network?

You will need to contact your Network Provider who Blocked your mobile phone. Typically your network provider will need to undertake a verification process to establish that you are the legal owner of the mobile phone. Some of these steps will have been taken when you reported your phone as lost or stolen.