Before trying anything else, contact your service provider and askfor an unlock code. Usually, if you've been a customer of theirs forsome time, they will provide you with an unlock code for free. This is,by far, the best way to get your phone unlocked.
Download software to generate the unlocking code. Software isavailable on some websites for free and some pay websites that alsooffer support if things go wrong. See external links below.
Find the Serial number of the cell phone, also known as your IMEI number.This can be done by either removing the back of your cell phone andlooking underneath the battery, or simply by typing in *#06# into yourcell phone. It should be something like: 010082321439976/07951780736
Using the software you have downloaded, enter in your Manufacturer(which is in this case Nokia), and sliding the card out. Put thebattery back in and power the phone on.
You will see a message "Insert SIM Card". Enter all of thecharacters you see in your code, including the # symbols. To get a 'p'press * 3 times, to get a '+' press the * key 2 times, to get a 'w'press the * key 4 times. Disregard any spaces in the code.
In order to unlock your phone you generally need to enter only onecode. Start with the first one. If your phone is not unlocked by typingthe first code (MCC+MNC), use code "7" (Multilock)
Once you have finished entering a code that works you should see amessage that says "SIM is not restricted" or "Restriction off" messagedepending on your model. If not, try entering another code. Message"Cannot undo restrictions" means the phone is "hard-locked" and cannotbe unlocked by code.
Answers & Comments
Hello.the code may be 12345
12345
try 12345 or 0000 or 1234
try 1234 or12345