Go to settings and privacy of the page you want to unlink the account.
How to delete instagram account that is connected to facebook. Log in to your instagram account and navigate over to your profile page. Log into the instagram account you’d like to remove. Switch into your new page.
Log in to your facebook account. Open minded instagram.com in the web browser of your smartphone or computer. How to unlink your instagram account from facebook follow to gizbot:
From the menu that opens, select “settings.” in “settings,” tap “accounts center.” on the “accounts center” screen, tap “accounts & profiles.” you will see your facebook profile. Navigate to the “delete your account” page tap on “delete your account” complete the “delete your account”. Log in to your account.
To add or remove an instagram account from your new facebook page: Select remove from accounts center and confirm. Select “settings” from the options.
In other words, be patient. Go to the hamburger menu (three horizontal lines) and tap the icon. After your account has been deleted, you will not.
From there, tap settings > accounts center. Log in to your instagram account and navigate over to your profile page. From your new page, click manage.