diff --git a/lib/utils/config.js b/lib/utils/config.js
--- a/lib/utils/config.js
+++ b/lib/utils/config.js
@@ -2,6 +2,7 @@
 
 import invariant from 'invariant';
 
+import type { DispatchActionPromise } from './redux-promise-utils.js';
 import type { CallSingleKeyserverEndpoint } from '../keyserver-conn/call-single-keyserver-endpoint.js';
 import type { CallKeyserverEndpoint } from '../keyserver-conn/keyserver-conn-types.js';
 import type { InitialNotifMessageOptions } from '../shared/crypto-utils.js';
@@ -10,7 +11,6 @@
 import type { PlatformDetails } from '../types/device-types.js';
 import type { EncryptedNotifUtilsAPI } from '../types/notif-types.js';
 import type { SQLiteAPI } from '../types/sqlite-types.js';
-import type { DispatchActionPromise } from '../utils/redux-promise-utils.js';
 
 export type Config = {
   +resolveKeyserverSessionInvalidationUsingNativeCredentials: ?(
@@ -31,7 +31,18 @@
   +olmAPI: OlmAPI,
   +sqliteAPI: SQLiteAPI,
   +encryptedNotifUtilsAPI: EncryptedNotifUtilsAPI,
-  +showAlert: (title: string, message: string) => mixed,
+  +showAlert: (
+    title: string,
+    message: string,
+    buttons?: $ReadOnlyArray<{
+      +text: string,
+      +onPress?: () => mixed,
+      +style?: 'cancel' | 'default' | 'destructive',
+    }>,
+    options?: {
+      +cancelable?: boolean,
+    },
+  ) => mixed,
   +isStaffRelease: boolean,
 };
 
diff --git a/native/config.js b/native/config.js
--- a/native/config.js
+++ b/native/config.js
@@ -1,6 +1,7 @@
 // @flow
 
-import { Alert, Platform } from 'react-native';
+import { Platform } from 'react-native';
+import type { AlertOptions, AlertButton } from 'react-native';
 
 import { registerConfig } from 'lib/utils/config.js';
 
@@ -10,6 +11,7 @@
 import { sqliteAPI } from './database/sqlite-api.js';
 import encryptedNotifUtilsAPI from './push/encrypted-notif-utils-api.js';
 import { persistConfig, codeVersion } from './redux/persist.js';
+import Alert from './utils/alert.js';
 import { isStaffRelease } from './utils/staff-utils.js';
 
 registerConfig({
@@ -25,6 +27,33 @@
   olmAPI,
   sqliteAPI,
   encryptedNotifUtilsAPI,
-  showAlert: (title: string, message: string) => Alert.alert(title, message),
+  showAlert: (
+    title: string,
+    message: string,
+    buttons?: $ReadOnlyArray<{
+      +text: string,
+      +onPress?: () => mixed,
+      +style?: 'cancel' | 'default' | 'destructive',
+    }>,
+    options?: {
+      +cancelable?: ?boolean,
+    },
+  ) => {
+    let alertOptions: AlertOptions | void = undefined;
+    if (options?.cancelable !== undefined) {
+      alertOptions = {
+        cancelable: options.cancelable,
+      };
+    }
+    let alertButtons: Array<AlertButton> | void = undefined;
+    if (buttons !== undefined) {
+      alertButtons = buttons.map(button => ({
+        text: button.text,
+        onPress: button.onPress,
+        style: button.style,
+      }));
+    }
+    Alert.alert(title, message, alertButtons, alertOptions);
+  },
   isStaffRelease: __DEV__ || isStaffRelease,
 });
diff --git a/native/profile/farcaster-account-settings.react.js b/native/profile/farcaster-account-settings.react.js
--- a/native/profile/farcaster-account-settings.react.js
+++ b/native/profile/farcaster-account-settings.react.js
@@ -3,6 +3,7 @@
 import * as React from 'react';
 import { ScrollView, View } from 'react-native';
 
+import { getConfig } from 'lib/utils/config.js';
 import {
   useCurrentUserFID,
   useCurrentUserSupportsDCs,
@@ -38,7 +39,7 @@
 
   const unlinkFID = useUnlinkFID();
 
-  const onPressDisconnect = React.useCallback(async () => {
+  const unlink = React.useCallback(async () => {
     setIsLoadingUnlinkFID(true);
     try {
       await unlinkFID();
@@ -52,6 +53,29 @@
     }
   }, [unlinkFID]);
 
+  const onPressDisconnect = React.useCallback(() => {
+    getConfig().showAlert(
+      'Disconnect Farcaster account',
+      'This will permanently remove all Farcaster threads and messages from' +
+        ' your account and backup. This action ' +
+        'cannot be undone. Are you sure you want to continue?',
+      [
+        {
+          text: 'No',
+          style: 'cancel',
+        },
+        {
+          text: 'Disconnect',
+          onPress: unlink,
+          style: 'destructive',
+        },
+      ],
+      {
+        cancelable: true,
+      },
+    );
+  }, [unlink]);
+
   const [webViewState, setWebViewState] =
     React.useState<FarcasterWebViewState>('closed');
   const [showConnectDCs, setShowConnectDCs] = React.useState(false);