diff --git a/src/App.native.tsx b/src/App.native.tsx
index 17b8b455..8bb20492 100644
--- a/src/App.native.tsx
+++ b/src/App.native.tsx
@@ -28,6 +28,7 @@ const App = observer(() => {
       analytics.init(store)
       notifee.init(store)
       SplashScreen.hide()
+      store.hackCheckIfUpgradeNeeded()
       Linking.getInitialURL().then((url: string | null) => {
         if (url) {
           store.nav.handleLink(url)
diff --git a/src/lib/analytics.tsx b/src/lib/analytics.tsx
index 091a7a1e..5358a868 100644
--- a/src/lib/analytics.tsx
+++ b/src/lib/analytics.tsx
@@ -7,7 +7,7 @@ const segmentClient = createClient({
   writeKey: '8I6DsgfiSLuoONyaunGoiQM7A6y2ybdI',
   trackAppLifecycleEvents: false,
 })
-export const track = segmentClient.track.bind(segmentClient)
+export const track = segmentClient?.track?.bind?.(segmentClient)
 
 export {useAnalytics} from '@segment/analytics-react-native'
 
diff --git a/src/state/models/root-store.ts b/src/state/models/root-store.ts
index 229c7b3c..d60df7dd 100644
--- a/src/state/models/root-store.ts
+++ b/src/state/models/root-store.ts
@@ -2,7 +2,7 @@
  * The root store is the base of all modeled state.
  */
 
-import {makeAutoObservable} from 'mobx'
+import {makeAutoObservable, runInAction} from 'mobx'
 import {AtpAgent} from '@atproto/api'
 import {createContext, useContext} from 'react'
 import {DeviceEventEmitter, EmitterSubscription} from 'react-native'
@@ -39,6 +39,23 @@ export class RootStoreModel {
   profiles = new ProfilesViewModel(this)
   linkMetas = new LinkMetasViewModel(this)
 
+  // HACK
+  // this flag is to track the lexicon breaking refactor
+  // it should be removed once we get that done
+  // -prf
+  hackUpgradeNeeded = false
+  async hackCheckIfUpgradeNeeded() {
+    try {
+      const res = await fetch('https://bsky.social/xrpc/app.bsky.feed.getLikes')
+      await res.text()
+      runInAction(() => {
+        this.hackUpgradeNeeded = res.status !== 501
+      })
+    } catch (e) {
+      this.log.error('Failed to hackCheckIfUpgradeNeeded', {e})
+    }
+  }
+
   constructor(agent: AtpAgent) {
     this.agent = agent
     makeAutoObservable(this, {
diff --git a/src/view/shell/mobile/index.tsx b/src/view/shell/mobile/index.tsx
index da8e73a6..6caf8923 100644
--- a/src/view/shell/mobile/index.tsx
+++ b/src/view/shell/mobile/index.tsx
@@ -362,6 +362,39 @@ export const MobileShell: React.FC = observer(() => {
   //   transform: [{scale: newTabInterp}],
   // }
 
+  if (store.hackUpgradeNeeded) {
+    return (
+      <View style={styles.outerContainer}>
+        <View style={[s.flexCol, s.p20, s.h100pct]}>
+          <View style={s.flex1} />
+          <View>
+            <Text type="title-2xl" style={s.pb10}>
+              Update required
+            </Text>
+            <Text style={[s.pb20, s.bold]}>
+              Please update your app to the latest version. If no update is
+              available yet, please check the App Store in a day or so.
+            </Text>
+            <Text type="title" style={s.pb10}>
+              What's happening?
+            </Text>
+            <Text style={s.pb10}>
+              We're in the final stages of the AT Protocol's v1 development. To
+              make sure everything works as well as possible, we're making final
+              breaking changes to the APIs.
+            </Text>
+            <Text>
+              If we didn't botch this process, a new version of the app should
+              be available now.
+            </Text>
+          </View>
+          <View style={s.flex1} />
+          <View style={s.footerSpacer} />
+        </View>
+      </View>
+    )
+  }
+
   if (!store.session.hasSession) {
     return (
       <View style={styles.outerContainer}>
diff --git a/tsconfig.json b/tsconfig.json
index 62c9f2ca..f1e7f443 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,4 +9,4 @@
       "view/*": ["./src/view/*"]
     }
   }
-}
\ No newline at end of file
+}