diff --git a/native/account/fullscreen-siwe-panel.react.js b/native/account/fullscreen-siwe-panel.react.js
--- a/native/account/fullscreen-siwe-panel.react.js
+++ b/native/account/fullscreen-siwe-panel.react.js
@@ -1,14 +1,21 @@
 // @flow
 
+import { useNavigation } from '@react-navigation/native';
 import * as React from 'react';
 import { ActivityIndicator, View } from 'react-native';
 
 import { setDataLoadedActionType } from 'lib/actions/client-db-store-actions.js';
 import type { SIWEResult } from 'lib/types/siwe-types.js';
+import { ServerError } from 'lib/utils/errors.js';
 import { useDispatch } from 'lib/utils/redux-utils.js';
 
+import { useGetEthereumAccountFromSIWEResult } from './registration/ethereum-utils.js';
 import { useSIWEServerCall } from './siwe-hooks.js';
 import SIWEPanel from './siwe-panel.react.js';
+import {
+  AccountDoesNotExistRouteName,
+  RegistrationRouteName,
+} from '../navigation/route-names.js';
 import Alert from '../utils/alert.js';
 
 type Props = {
@@ -27,16 +34,37 @@
     [],
   );
 
+  const getEthereumAccountFromSIWEResult =
+    useGetEthereumAccountFromSIWEResult();
+  const { navigate } = useNavigation();
+  const { goBackToPrompt } = props;
+  const onAccountDoesNotExist = React.useCallback(
+    async (result: SIWEResult) => {
+      await getEthereumAccountFromSIWEResult(result);
+      goBackToPrompt();
+      navigate<'Registration'>(RegistrationRouteName, {
+        screen: AccountDoesNotExistRouteName,
+      });
+    },
+    [getEthereumAccountFromSIWEResult, navigate, goBackToPrompt],
+  );
+
   const siweServerCall = useSIWEServerCall();
   const successRef = React.useRef(false);
   const dispatch = useDispatch();
-  const { goBackToPrompt } = props;
   const onSuccess = React.useCallback(
     async (result: SIWEResult) => {
       successRef.current = true;
       try {
         await siweServerCall({ ...result, doNotRegister: true });
       } catch (e) {
+        if (
+          e instanceof ServerError &&
+          e.message === 'account_does_not_exist'
+        ) {
+          await onAccountDoesNotExist(result);
+          return;
+        }
         Alert.alert(
           'Unknown error',
           'Uhh... try again?',
@@ -52,7 +80,7 @@
         },
       });
     },
-    [siweServerCall, dispatch, goBackToPrompt],
+    [siweServerCall, dispatch, goBackToPrompt, onAccountDoesNotExist],
   );
 
   const ifBeforeSuccessGoBackToPrompt = React.useCallback(() => {
diff --git a/native/account/registration/account-does-not-exist.react.js b/native/account/registration/account-does-not-exist.react.js
new file mode 100644
--- /dev/null
+++ b/native/account/registration/account-does-not-exist.react.js
@@ -0,0 +1,79 @@
+// @flow
+
+import * as React from 'react';
+import { Text, View, Image } from 'react-native';
+
+import RegistrationButtonContainer from './registration-button-container.react.js';
+import RegistrationButton from './registration-button.react.js';
+import RegistrationContainer from './registration-container.react.js';
+import RegistrationContentContainer from './registration-content-container.react.js';
+import type { RegistrationNavigationProp } from './registration-navigator.react.js';
+import commSwooshSource from '../../img/comm-swoosh.png';
+import {
+  type NavigationRoute,
+  CoolOrNerdModeSelectionRouteName,
+} from '../../navigation/route-names.js';
+import { useStyles } from '../../themes/colors.js';
+
+type Props = {
+  +navigation: RegistrationNavigationProp<'AccountDoesNotExist'>,
+  +route: NavigationRoute<'AccountDoesNotExist'>,
+};
+function AccountDoesNotExist(props: Props): React.Node {
+  const { navigate } = props.navigation;
+  const onSubmit = React.useCallback(() => {
+    navigate(CoolOrNerdModeSelectionRouteName);
+  }, [navigate]);
+
+  const styles = useStyles(unboundStyles);
+  return (
+    <RegistrationContainer>
+      <RegistrationContentContainer style={styles.scrollViewContentContainer}>
+        <Text style={styles.header}>New Comm account</Text>
+        <Text style={styles.body}>
+          It looks like this is your first time logging into Comm.
+        </Text>
+        <Text style={styles.body}>
+          Let&rsquo;s get started with registering your Ethereum account!
+        </Text>
+        <View style={styles.commSwooshContainer}>
+          <Image source={commSwooshSource} style={styles.commSwoosh} />
+        </View>
+      </RegistrationContentContainer>
+      <RegistrationButtonContainer>
+        <RegistrationButton onPress={onSubmit} label="Next" variant="enabled" />
+      </RegistrationButtonContainer>
+    </RegistrationContainer>
+  );
+}
+
+const unboundStyles = {
+  scrollViewContentContainer: {
+    flexGrow: 1,
+  },
+  header: {
+    fontSize: 24,
+    color: 'panelForegroundLabel',
+    paddingBottom: 16,
+  },
+  body: {
+    fontFamily: 'Arial',
+    fontSize: 15,
+    lineHeight: 20,
+    color: 'panelForegroundSecondaryLabel',
+    paddingBottom: 16,
+  },
+  commSwooshContainer: {
+    flexGrow: 1,
+    flexShrink: 1,
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  commSwoosh: {
+    resizeMode: 'center',
+    width: '100%',
+    height: '100%',
+  },
+};
+
+export default AccountDoesNotExist;
diff --git a/native/account/registration/registration-navigator.react.js b/native/account/registration/registration-navigator.react.js
--- a/native/account/registration/registration-navigator.react.js
+++ b/native/account/registration/registration-navigator.react.js
@@ -7,6 +7,7 @@
 import { createStackNavigator } from '@react-navigation/stack';
 import * as React from 'react';
 
+import AccountDoesNotExist from './account-does-not-exist.react.js';
 import AvatarSelection from './avatar-selection.react.js';
 import ConnectEthereum from './connect-ethereum.react.js';
 import CoolOrNerdModeSelection from './cool-or-nerd-mode-selection.react.js';
@@ -29,6 +30,7 @@
   EmojiAvatarSelectionRouteName,
   RegistrationUserAvatarCameraModalRouteName,
   RegistrationTermsRouteName,
+  AccountDoesNotExistRouteName,
   type ScreenParamList,
   type RegistrationParamList,
 } from '../../navigation/route-names.js';
@@ -106,6 +108,10 @@
         name={RegistrationTermsRouteName}
         component={RegistrationTerms}
       />
+      <Registration.Screen
+        name={AccountDoesNotExistRouteName}
+        component={AccountDoesNotExist}
+      />
     </Registration.Navigator>
   );
 }
diff --git a/native/navigation/route-names.js b/native/navigation/route-names.js
--- a/native/navigation/route-names.js
+++ b/native/navigation/route-names.js
@@ -145,6 +145,7 @@
 export const AddKeyserverRouteName = 'AddKeyserver';
 export const KeyserverSelectionBottomSheetRouteName =
   'KeyserverSelectionBottomSheet';
+export const AccountDoesNotExistRouteName = 'AccountDoesNotExist';
 
 export type RootParamList = {
   +LoggedOutModal: void,
@@ -258,6 +259,7 @@
   +EmojiAvatarSelection: EmojiAvatarSelectionParams,
   +RegistrationUserAvatarCameraModal: void,
   +RegistrationTerms: RegistrationTermsParams,
+  +AccountDoesNotExist: void,
 };
 
 export type InviteLinkParamList = {