If it is a used phone and it was never wiped. Then the old security code is active. Changing the sim does not change the security code of the device. If it is asking for a sim security code, then the sim card is locked and you must have the code or the sim is just a piece of plastic. Did the service provider put a code on the sim and forgot to tell you.?..Take the sim back and ask for another without the security code on it. Sims can be coded so that if they are stolen they cannot be used in another device.
SOURCE: NOKIA2310 security problem
I forget my security code and i also don't know the Ime no.
so plz help me as soon as possible
I try to unlock my phone more than 5 times that is why it's not accepting 12345 no. as well.
Now plz help me fast
Thanks
SOURCE: security code Problem with my nokia 3220
In order to solve your problem i need IMEI no of your mobile .........so that i can give u the unlock code or master code for your mobile..
Regards :
dilipbagdi
Technical Associate
SOURCE: My nokia 3220 Phone locked:How to get master security code
hey ,
The mastercode wld be
5126700231
Thanks.
SOURCE: MY SIM HAS BEEN BLOCKED, ASKING PUK CODE.
Just call your provider and tell them you need a PUK code, they will be more than happy to give it to you.
you may also get it from the company website or go into the provider store.
this is something they do all the time
SOURCE: i need a unlocking code for a lg webslider
The Security unlocking code would be unique to the phones IMEI number and not anything anyone would have. If the phone is locked to its original carrier then you'll either need to call the original carrier for the code or look online for a site that does phone unlocking.
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