How to Disable Restriction for Country and Age;
1- Go to Your Page.
2- On the right side click on setting.
3- On the Left side click on General.
4- Click on Country restriction, Click on Edit.
5- If you have any countries in your list remove it and then choose “Hide this page to viewers in this countries”.
6- Click on “Age restriction”, and click on Edit.
7- Click on list and choose “Public”.
8- Click on “Save Changes”.