file manager after installing click connect
and you can add your social account if you
want login to box enter email add ,confirmation
of your email then password after that wait until
succesfully login put contact list under this
folder c:programDataBlueStacksUserData|SharedFolder
make sure to show hidden files now to go go to astro
app that you have install right now and look for the
folder sdcard/bstfolder/bstSharedFolder click on its
directly add to your bluestack contact list now check
your whatapp contact list you will find it updated.
With Nokia PC Suite you can export your
contacst to CSV file make sure to sync
first, and export contacts from both SIM
card and phone memory. Then you can import
CSV file where you want. You can import CSV
file into iPhone contacts directly from CSV
file with app Contacts In: Import CSV & Manage Groups.