@@ -101,8 +101,11 @@ export function test_backAndForwardParentPage_nestedFrames() {
     helper.waitUntilNavigatedTo(parentPage1, () => frame.goBack());
     currentPageMustBe("ParentPage1");
 
-    helper.waitUntilNavigatedTo(parentPage2, () => topmost.navigate({ create: () => parentPage2 }));
-    currentPageMustBe("ParentPage2");
+    const innerPage3 = page("InnerPage3");
+    const parentPage3 = parentPage("ParentPage3", innerPage3);
+
+    helper.waitUntilNavigatedTo(parentPage3, () => topmost.navigate({ create: () => parentPage3 }));
+    currentPageMustBe("ParentPage3");
 
     back(2);
     TKUnit.waitUntilReady(() => topmostFrame().navigationQueueIsEmpty());
 
@@ -37,6 +37,8 @@ export class Frame extends FrameBase {
 
     public disposeNativeView() {
         this._removeFromFrameStack();
+        this.viewController = null;
+        this._ios.controller = null;
         super.disposeNativeView();
     }
 
@@ -389,9 +391,8 @@ class UINavigationControllerImpl extends UINavigationController {
         const owner = this._owner.get();
         if (owner && owner.isLoaded && !owner.parent && !this.presentedViewController) {
             owner.callUnloaded();
+            owner._tearDownUI(true);
 
-            owner.viewController = null;
-            owner.ios.controller = null;
         }
     }
Original file line number	Diff line number	Diff line change
`@@ -37,6 +37,8 @@ export class Frame extends FrameBase {`
`37`	`37`
`38`	`38`	`public disposeNativeView() {`
`39`	`39`	`this._removeFromFrameStack();`
	`40`	`+ this.viewController = null;`
	`41`	`+ this._ios.controller = null;`
`40`	`42`	`super.disposeNativeView();`
`41`	`43`	`}`
`42`	`44`
`@@ -389,9 +391,8 @@ class UINavigationControllerImpl extends UINavigationController {`
`389`	`391`	`const owner = this._owner.get();`
`390`	`392`	`if (owner && owner.isLoaded && !owner.parent && !this.presentedViewController) {`
`391`	`393`	`owner.callUnloaded();`
	`394`	`+ owner._tearDownUI(true);`
`392`	`395`
`393`		`- owner.viewController = null;`
`394`		`- owner.ios.controller = null;`
`395`	`396`	`}`
`396`	`397`	`}`
`397`	`398`