Your phone says enter restriction code means thay your phone is locked to particular network.To solve this problem,you must have unlock your phone.You can get the restriction code for your phone from your Network service provider or any third party online vendors like http://www.superunlockcodes.com/nokia-6288/rs16wp9/ here you need to specify your country,Network name to which it is locked,IMEI number of your phone.Then they deliver unlock code to you through mail with unlocking instructions.By using this you can unlock your phone easily.
sahana
August 2013
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