diff --git a/native/profile/profile-screen.react.js b/native/profile/profile-screen.react.js
--- a/native/profile/profile-screen.react.js
+++ b/native/profile/profile-screen.react.js
@@ -59,6 +59,7 @@
 import { useSelector } from '../redux/redux-utils.js';
 import { type Colors, useColors, useStyles } from '../themes/colors.js';
 import Alert from '../utils/alert.js';
+import { useShowVersionUnsupportedAlert } from '../utils/hooks.js';
 import { useStaffCanSee } from '../utils/staff-utils.js';
 
 type ProfileRowProps = {
@@ -564,7 +565,6 @@
       useSelector(logOutLoadingStatusSelector) === 'loading';
     const colors = useColors();
     const styles = useStyles(unboundStyles);
-    const callLogOut = useLogOut();
     const callPrimaryDeviceLogOut = usePrimaryDeviceLogOut();
     const callSecondaryDeviceLogOut = useSecondaryDeviceLogOut();
     const dispatchActionPromise = useDispatchActionPromise();
@@ -575,6 +575,11 @@
     );
     const currentUserID = useCurrentUserFID();
 
+    const showVersionUnsupportedAlert = useShowVersionUnsupportedAlert(false);
+    const callLogOut = useLogOut({
+      handleUseNewFlowResponse: showVersionUnsupportedAlert,
+    });
+
     const userID = useSelector(
       state => state.currentUserInfo && state.currentUserInfo.id,
     );
diff --git a/web/settings/account-settings.react.js b/web/settings/account-settings.react.js
--- a/web/settings/account-settings.react.js
+++ b/web/settings/account-settings.react.js
@@ -39,11 +39,19 @@
 import TunnelbrokerTestScreen from './tunnelbroker-test.react.js';
 import EditUserAvatar from '../avatars/edit-user-avatar.react.js';
 import Button from '../components/button.react.js';
+import VersionUnsupportedModal from '../modals/version-unsupported-modal.react.js';
 import { useSelector } from '../redux/redux-utils.js';
 import { useStaffCanSee } from '../utils/staff-utils.js';
 
 function AccountSettings(): React.Node {
-  const sendLogoutRequest = useLogOut();
+  const { pushModal, popModal } = useModalContext();
+  const showVersionUnsupportedModal = React.useCallback(() => {
+    pushModal(<VersionUnsupportedModal />);
+  }, [pushModal]);
+  const sendLogoutRequest = useLogOut({
+    handleUseNewFlowResponse: showVersionUnsupportedModal,
+  });
+
   const sendSecondaryDeviceLogoutRequest = useSecondaryDeviceLogOut();
   const dispatchActionPromise = useDispatchActionPromise();
   const logOutUser = React.useCallback(
@@ -70,7 +78,6 @@
     })();
   }, []);
 
-  const { pushModal, popModal } = useModalContext();
   const showPasswordChangeModal = React.useCallback(
     () => pushModal(<PasswordChangeModal />),
     [pushModal],