Try *#7370#. Before using the above code make sure you backup all your phone memory data like contacts, messages, documents etc because this process erases all the data by formatting your phone & restoring it to original factory settings.
i lost my phone of n72 how can i block it i hav imei number and ghot the duplicate sim so i want to...
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i lost my phone of n72 how can i block it i hav imei number and ghot the duplicate sim so i want to block or dissable the cell is it possible