Restriction code and network unlock code is same..Nokia Phone asks restriction code..If your Nokia Locked to network and you are trying to inserting other GSM Network sim card it will display the message "Enter Restriction Code" Without unlocking it you cannot use other GSM Network sim card.After Unlock it you can use only gsm sim card...
You can get the Restriction code from service provider,but they ask to wait for many days or months.
So you can get the Restriction code for Nokia 6300 easily from the site
Mobile-unlocker.com/nokia-6300/rs2wp9/ and unlock it easily...To enter the code you can follow the instructions below:
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Nokia 6300 Unlocking Instructions :
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Warning : Do not enter any wrong unlock
codes on your Nokia 6300 mobile phones. If you enter over a certain
amount of wrong unlock codes on your Nokia 6300 mobile phone, your phone
may get hard locked and sometimes become unusable.
1 - Switch on your Nokia 6300 without any sim card.
2 - Don't bother as to what is displayed on your Nokia 6300.
3 - Compose #pw+CODE+1#.
4 - The Nokia 6300 would then display the message "SIM Restriction Off" and will be unlocked!
Note :For Nokia 6300 mobile phones locked to the network Fido or Rogers in Canada follow these instructions :
1 - Switch on your Nokia 6300 without any sim card.
2 - Don't bother as to what is displayed on your Nokia 6300.
3 - Compose #pw+CODE+7#.
4 - The Nokia 6300 would then display the message "SIM Restriction Off" and will be unlocked!
The letter p appears if you press the button star(*) three times quickly
The letter w appears if you press the button star(*) four times quickly
The symbol + appears if you press the button star(*) two times quickly
The CODE you need to enter is the unique unlock code for your Nokia 6300
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