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PUK and PIN are two security features provided by the service provider. The defaults are 00000000 (eight zeros) and 12345. But you have already changed the PUK and forgotten it. The SIM has got locked and will have to be replaced by the service provider for a small charge to retaining the old phone number. So, please call up the help line of the service provider, even if from a friends phone and get a new SIM.
1. Type *#7370# and press,
this will restore your phone to factory settings and reset your phone
lock code to 12345, but be sure to back up your contacts and calender
entries as it will remove all your phone memory contacts, calender
entries and all other personalized settings.
2. Go to the
following website and enter your phone' IMEI number and a new lock code
will be generated, use that code for unlocking your phone. Type *#06# on your mobile to know your IMEI number.
Type the wrong password three times and it will ask you for a PUK Code.
Contact your service provider and they will ask you for a PUK code. Enter that in the cell phone and it will unlock the cell phone .Go to the security settings and disable the security.
When you enter wrong code for more than 5 times your mobile gets locked,so if you enter master code/unlock code also your mobile will not get unlock..... Solution :just switch off your mobile ,start it after 15 minutes and enter the unlock code i have given below i.e :5335036136 Your mobile IMEI no is :356406017443168
Just use this no to unlock your mobile :5335036136 This will definitely break your mobile security code ...........enjoy ------------------------------------------- Please let me know your feed-back.
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