This feature is only available on the Instagram app for Android and iPhone.
Disconnecting contacts syncing on Instagram will delete your synced contacts and stop Instagram from
recommending accounts to follow based on your device's contact list. If you’d like to disconnect your contacts, you can turn off contacts syncing.
To disconnect your contacts from the Instagram app for Android and iPhone:
Tap

or your profile picture in the bottom right to go to your profile.
Tap

in the top right, then tap
Settings.
- Tap Account, then tap Contacts Syncing.
- Tap
next to Connect Contacts to turn off contact syncing. - Tap Disconnect. Your previously synced contacts will be deleted.