Phone says " SIM card

still have the password when i open my phone please help me gt-e2222 samsung

PUK stands for Personal Unblocking Key. This is a uniqueeight-digit code specific to your SIM card. This is required when the PINnumber to unlock your mobile phone is entered incorrectly 3 times. You are thengiven 10 attempts to enter your PUK code. If an incorrect PUK code is enteredafter the 10th attempt, you will block your SIM card permanently and willrequire a new SIM card from your mobile phone provider.
PUK codes can be obtained through the following ways -The PUK code is in your SIM card documentation Starter Pack.If you do not have this then -Please contact your phone service provider.
Your cell phone service provider can give you the PUK code once you give themyour account details and they have confirmed your identity.For details to obtain the PUK code for the SIM card, pleaseclick on this link and follow my instructions.
http://www.fixya.com/support/r5705889-puk_code

When you brought a sim the the PUK code are placed on the card of your sim

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 to unlock your SIM card.If you enter the wrong PUK code 10 times in arow, your SIM card will be invalidated, and you will need to purchase a new SIM Card . The phone will display the following error: "PUK blocked call operator."

You are trying the sim lock, not phone lock so the sim card is locked.
The PUK is sim password. You have to call your network service provider to get your PUK code. They can ask the SIM no. which is printed at the back of the SIM card.
Tell me in case of any problem.

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 to unlock your SIM card.

The PUK code can be found in the packaging of the sim card when you first bought it.
Several wrong tries for a pin code can get the sim card blocked and only the PUK code can enable it for access. If you can't find the PUK code, you have to buy another sim card or if this is postpaid, you have to report it to your Telecom Operator.

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 your service provider to unlock your SIM card.

You can obtain your phone's PUK code from your local operator by calling customer care.

Once you receive your PUK code, you will need to enter it into your phone to set a new PIN code.

Note: If you enter the wrong PUK code 10 times in a row, your SIM card will be invalidated, and you will need to purchase a new SIM Card. The phone will display the following error: "PUK blocked call operator."

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my phone is asking for a puk code but iv lost mine so i cant openit this happernd after i was messing around with the security key