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Are you here to get network lock code or
phone(security) lock code? If you need to unlock your Sony Ericsson W660i from its
security lock then use default codes like 0000 or 12345. If your want to
unlock your Sony Ericsson W660i from its network lock then use unlock code to do
so. contact your service provider to get it. If they failed to provide
the code you can get it from online providers itself. Get the code from
the site Unlock-Zone.com ,and you can unlock it yourself using unlocking instructions which is given in the site itself.
Default 4 Digit user code: 1234 or 0000 Default 6 Digit Security code: 123456 or 000000
Type *#06# at the mobile screen to know IMEI no of your mobile. send the IMEI no to me and i will reply you with unlocking code. IF Problem not Solved So Please New Software install in the Phone Problem will Solved
Is this phone GSM or CDMA? Or what carrier are you using it through? Has the phone worked before it locked up? Sounds as if your SIM card may not be active, theres no sim card, or your sim has been blocked because of too many PIN password attempts.
If your looking for your PUK code, please follow this.
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.
You can obtain your phone's PUK code from AT&T by:
try this :
Enter wrong password for more then 5 times,it ll ask u to enter the puk number....now call your customer care and get the puk number...enter the puk number in the space given for password....thats it...problem is fixed If you had locked your mobile then update the formware all saved passwords will be deleted.
But you haven't mentioned your phone's model and make. Generally, you have to change the default password provided in the phone's manual or company service center/ customer care. Then you can produce whatever password you wish. Be careful not to input wrong password repeatedly (3 times).