If you forgot the password ,you need to reset it using the master reset code,You can get the master reset code from the site
Mobileunlocksolutions.comreset it,then set new password,You can get the reset code for Nokia DCT and Alcatel phones there,also Blackberry Security unlocking is available there,You cannot retrieve old password,you can reset it Only.Before get the reset code for Nokia DCT phones You can try 0000 or 12345 or 1234 this is default codes if not work means get the master reset code there and reset it.
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