nokia 1680c -2. Imei -356042/03/089229/5 which I take as 356042030892295. Type -RM394. Code: 0574703. I put a security code and now forgot it. On switch on pin code is accepted then security code is asked for. forgot it. I cannot go further. I want to remove the security code and put a new one. How do I crack this obstacle? I do not want to lose data that is in the phone. Master code generated failed to work.
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