How can I delete SIM contacts? All SIM contacts are bloked.

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

does it say sim block? or is it just asking for the PUK? if the sim card is blocked, you will need to replace your sim card if the phone is just asking for the PUK, contact your service provider for the PUK
*2767*3855# = Full Reset (Caution every stored data will be deleted.)
*2767*2878# = Custom Reset
*2767*927# = Wap Reset

Just call your service fone retailer

The Puk number depends on the pin lock on the sim, the phone will still work with a different Sim card.

To unlock the Puk code you need to call the contact number for the service provider for your Sim. Alternatively you can unlock the PUK code at a local shop for a small fee, £10 or £20 in UK.

To unlock PUK, call the company that branded your Sim card.

If this is in Yahoo Messenger
go to messenger/preferences/ignore list
delete your contact from the ignore list

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it will ask for the PUK code when you try inserting the wrong pin
for 3 times ...

so to get the PUK code follow these steps:
1. call to your network provider s customer care from some of your friends number of the same network ...
tell your number & ask them for the PUK code..
2. they may ask you the details of sim like in whose name it is etc..
answer that ...
3. after that they will provide you the PUK code note it down
4. enter the noted PUK number to your cell ...
5. your sim will get unlocked ....

caution: if you try inserting the wrong PUK codes for more than 5 or 10 times it will completely block the sim after that you must contact the network provider s shoppe only to get it unlocked ..
remember this ...

this solves your problem ...(i got confused by your problem you didnt mention it clearly that the pin is blocked or PUK but also i have included both here just read the above)

any doubts you can reply me
i am always here to assist you
thank you
bye
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If you can't find puk code your phone will not blocked. It will block just the sim. In this case contact customer care of your mobile operator company......... they will give you a new sim for the same number.

when it says puk code... it refers to your sim card provider,, here's what you gotta do... use other sim and call your sim provider custumer care assistance , and ask for the puk code of your block ed sim... and they will give you codes ..it's toll free....