diff --git a/instaloader/structures.py b/instaloader/structures.py
index d2efb11..a7970c8 100644
--- a/instaloader/structures.py
+++ b/instaloader/structures.py
@@ -1197,18 +1197,33 @@ class Profile:
 
         :rtype: NodeIterator[Post]"""
         self._obtain_metadata()
+        logged_in = self._context.is_logged_in
         return NodeIterator(
-            context = self._context,
-            edge_extractor = lambda d: d['data']['xdt_api__v1__feed__user_timeline_graphql_connection'],
-            node_wrapper = lambda n: Post.from_iphone_struct(self._context, n),
-            query_variables = {'data': {
-                'count': 12, 'include_relationship_info': True,
-                'latest_besties_reel_media': True, 'latest_reel_media': True},
-             'username': self.username},
-            query_referer = 'https://www.instagram.com/{0}/'.format(self.username),
-            is_first = Profile._make_is_newest_checker(),
-            doc_id = '7898261790222653',
-            query_hash = None,
+            context=self._context,
+            edge_extractor=(
+                (lambda d: d["data"]["xdt_api__v1__feed__user_timeline_graphql_connection"])
+                if logged_in
+                else (lambda d: d["data"]["user"]["edge_owner_to_timeline_media"])
+            ),
+            node_wrapper=(
+                (lambda n: Post.from_iphone_struct(self._context, n))
+                if logged_in
+                else (lambda n: Post(self._context, n, self))
+            ),
+            query_variables={
+                "data": {
+                    "count": 12,
+                    "include_relationship_info": True,
+                    "latest_besties_reel_media": True,
+                    "latest_reel_media": True,
+                },
+                **({"username": self.username} if logged_in else {"id": self.userid}),
+            },
+            query_referer="https://www.instagram.com/{0}/".format(self.username),
+            is_first=Profile._make_is_newest_checker(),
+            doc_id="7898261790222653" if logged_in else "7950326061742207",
+            query_hash=None,
+            first_data=(None if logged_in else self._metadata("edge_owner_to_timeline_media")),
         )
 
     def get_saved_posts(self) -> NodeIterator[Post]: