I went to change my security pin and now it asked for a puk code and my phone has locked and i need a PUK code to unlock it

How to Unlock the PUK Code on a Mobile Phone If Locked ...

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GSM phones give you the option to set a PIN code on the SIM card as a security measure. If you only set a phone lock and you lose your phone, someone can ...

Unlock phone after Sim is disabled (PUK code) - YouTube

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Unlock phone after Sim is disabled (PUK code) ..... phone or text so basically I need a hacker to hack in to the sim and it can be used again.

Mobile phone is SIM locked and asking for a PUK code or ...

call your provider, they can give you the right PUK code for your phone. A PUK (PIN Unlock Key) code is required to unlock SIM cards that have become locked following three successive incorrect PIN entries. If your SIM card becomes locked, you will need to get a PUK code from AT&T or your provider to unlock your SIM card.
Contact Customer Care

PUK

What is a PUK? PUK stands for Personal Unblocking Key, and it's a code that's associated with a mobile phone SIM card.

Why am I being asked for a PUK? Your mobile phone's SIM Card has a four-digit PIN code enabled by default. If you enter the PIN code incorrectly three times, a lock will be put onto the SIM card, and you need a PUK code to unlock it.

Where do I get a PUK? If you're being asked to enter a PUK, you will need to contact your network operator to get your SIM Card unlocked. This is for security reasons. Note that only your mobile phone network operator can legally provide you with a PUK code to unlock your SIM card.

first ask your service provider for the PUK numbe. after getting the PUK number, go to security settings and choose change PIN, it will ask for old PIN number, try a random number and then it will show, sim blocked, please insert PUK number.
insert the PUK you got from your operator and then you will be able to change your PIN and hence remove it.

If u enter PIN code incorrectly 3 times, PIN will be blocked n phone will ask you for PUK(Personal Unblocking Key). This is a 8 digit code. If u enter Incorrect PUK for 10 times Your SIM will be lock permanently.

Your cell phone service provider can(Call from other no. n ask tell them for puk of ur no.) give you the PUK code aft3r answering simple security question.
Later enter PUK than enter new PIN, confirm new pin. Go to -Setting
-Security
-SIM lock
-off
Disable SIM n Later Phone Lock
PS:(You have to block your PIN to get access to PUK,
Default PIN- 0000, 12345)

A request for a PUK code ("Personal Unlocking Key") will appear on your phone if your SIM card PIN code is entered 3 consecutive times incorrectly.

Your SIM card will then become "PUKed" or Blocked. This is a security measure to protect your service.

You need to call the Customer Service department of your cell phone provider and they will give you the PUK code which will unblock your SIM card.

samsung phone "PUK blocked Call SOS" - i have the PUK code but cant put it in as its not giving me any option other than call sos. how do i put the code in to unlock it.

You will need to contact your vendor!! they are the only one that can provide the PUK code.

SIM pin code:
This is a pin code that locks the sim card until you enter the correct code. This protects your account, even
if your sim is put into another handset. To reset it, you need the PUK code:
Pin Unlock Code (PUK)
If you miss key (or forget) your SIM pin code, and enter the wrong one 3-5 times in a row, the SIM will lock up, and you’ll need to enter the PUK unlock code to release it. You should ask your Network Service Provider for this code when you need it. Don’t try to guess it, because after a few wrong guesses, the SIM card will be permanently disabled.
Phone Security Code:
This locks the handset, as opposed to the sim card. You can also set some handsets to only accept a “new” sim if the phone security code is entered. To reset it, you need the Master code code:
Master Reset Code
Sometimes known as the Master Code, this allows you to unlock a handset if you have entered the Security Code wrongly too many times.
Which is the one that you want?
The default security code for Nokia is 12345

SIM pin code:
This is a pin code that locks the sim card until you enter the correct code. This protects your account, even
if your sim is put into another handset. To reset it, you need the PUK code:
Pin Unlock Code (PUK)
If you miss key (or forget) your SIM pin code, and enter the wrong one 3-5 times in a row, the SIM will lock up, and you’ll need to enter the PUK unlock code to release it. You should ask your Network Service Provider for this code when you need it. Don’t try to guess it, because after a few wrong guesses, the SIM card will be permanently disabled.
Phone Security Code:
This locks the handset, as opposed to the sim card. You can also set some handsets to only accept a “new” sim if the phone security code is entered. To reset it, you need the Master code code:
Master Reset Code
Sometimes known as the Master Code, this allows you to unlock a handset if you have entered the Security Code wrongly too many times.
Which is the one that you want?
The default security code for Nokia is 12345