Move Nokia Backup (NBF) contents to Android Phone
Just change the extension from .nbf to .zip. For detailed step-by-step instructions, read this.

Go to settings, sync and backup in old Nokia Symbian phone. Click on create backup and store the backup in memory card.

Connect the old phone to your PC through normal 'mass storage' mode and open the backup folder from memory card. Copy the .nbf file from memory card to your PC.

The trick lies in this step when you fool Nokia around.
.nbf stands for Nokia Backup File.  Just change the extension from .nbf to .zip and extract using winrar/peazip.

Here you see a list of .vcf files in the extracted folder. Connect your Android phone to PC and transfer these files to SD card or internal memory.

Use this free &quot;Import Contacts&quot; app from Google Play and transfer contacts.