diff --git a/native/account/registration/existing-ethereum-account.react.js b/native/account/registration/existing-ethereum-account.react.js
index e154f1767..1a8f5e5b5 100644
--- a/native/account/registration/existing-ethereum-account.react.js
+++ b/native/account/registration/existing-ethereum-account.react.js
@@ -1,150 +1,199 @@
 // @flow
 
+import type {
+  StackNavigationEventMap,
+  StackNavigationState,
+  StackOptions,
+} from '@react-navigation/core';
+import invariant from 'invariant';
 import * as React from 'react';
 import { Text, View } from 'react-native';
 
 import { setDataLoadedActionType } from 'lib/actions/client-db-store-actions.js';
 import { useENSName } from 'lib/hooks/ens-cache.js';
 import { useWalletLogIn } from 'lib/hooks/login-hooks.js';
 import type { SIWEResult } from 'lib/types/siwe-types.js';
+import { getMessageForException } from 'lib/utils/errors.js';
 import { useDispatch } from 'lib/utils/redux-utils.js';
 import { usingCommServicesAccessToken } from 'lib/utils/services-utils.js';
 
 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 { RegistrationContext } from './registration-context.js';
 import type { RegistrationNavigationProp } from './registration-navigator.react.js';
-import type { NavigationRoute } from '../../navigation/route-names.js';
+import type { RootNavigationProp } from '../../navigation/root-navigator.react.js';
+import type {
+  NavigationRoute,
+  ScreenParamList,
+} from '../../navigation/route-names.js';
 import { useStyles } from '../../themes/colors.js';
 import { UnknownErrorAlertDetails } from '../../utils/alert-messages.js';
 import Alert from '../../utils/alert.js';
 import { useLegacySIWEServerCall } from '../siwe-hooks.js';
 
 export type ExistingEthereumAccountParams = SIWEResult;
 
 type Props = {
   +navigation: RegistrationNavigationProp<'ExistingEthereumAccount'>,
   +route: NavigationRoute<'ExistingEthereumAccount'>,
 };
 function ExistingEthereumAccount(props: Props): React.Node {
   const legacySiweServerCall = useLegacySIWEServerCall();
   const walletLogIn = useWalletLogIn();
 
   const [logInPending, setLogInPending] = React.useState(false);
 
+  const registrationContext = React.useContext(RegistrationContext);
+  invariant(registrationContext, 'registrationContext should be set');
+  const { setCachedSelections } = registrationContext;
+
   const { params } = props.route;
   const dispatch = useDispatch();
+  const { navigation } = props;
+  const goBackToHome = navigation.getParent<
+    ScreenParamList,
+    'Registration',
+    StackNavigationState,
+    StackOptions,
+    StackNavigationEventMap,
+    RootNavigationProp<'Registration'>,
+  >()?.goBack;
   const onProceedToLogIn = React.useCallback(async () => {
     if (logInPending) {
       return;
     }
     setLogInPending(true);
     try {
       if (usingCommServicesAccessToken) {
         await walletLogIn(params.address, params.message, params.signature);
       } else {
         await legacySiweServerCall({ ...params, doNotRegister: true });
         dispatch({
           type: setDataLoadedActionType,
           payload: {
             dataLoaded: true,
           },
         });
       }
     } catch (e) {
-      Alert.alert(
-        UnknownErrorAlertDetails.title,
-        UnknownErrorAlertDetails.message,
-        [{ text: 'OK' }],
-        {
-          cancelable: false,
-        },
-      );
+      const messageForException = getMessageForException(e);
+      if (messageForException === 'nonce expired') {
+        setCachedSelections(oldUserSelections => ({
+          ...oldUserSelections,
+          ethereumAccount: undefined,
+        }));
+        Alert.alert(
+          'Login attempt timed out',
+          'Try logging in from the main SIWE button on the home screen',
+          [{ text: 'OK', onPress: goBackToHome }],
+          {
+            cancelable: false,
+          },
+        );
+      } else {
+        Alert.alert(
+          UnknownErrorAlertDetails.title,
+          UnknownErrorAlertDetails.message,
+          [{ text: 'OK' }],
+          {
+            cancelable: false,
+          },
+        );
+      }
       throw e;
     } finally {
       setLogInPending(false);
     }
-  }, [logInPending, legacySiweServerCall, walletLogIn, params, dispatch]);
+  }, [
+    logInPending,
+    legacySiweServerCall,
+    walletLogIn,
+    params,
+    dispatch,
+    goBackToHome,
+    setCachedSelections,
+  ]);
 
   const { address } = params;
   const walletIdentifier = useENSName(address);
   const walletIdentifierTitle =
     walletIdentifier === address ? 'Ethereum wallet' : 'ENS name';
 
-  const { goBack } = props.navigation;
+  const { goBack } = navigation;
   const styles = useStyles(unboundStyles);
   return (
     <RegistrationContainer>
       <RegistrationContentContainer>
         <Text style={styles.header}>Account already exists for wallet</Text>
         <Text style={styles.body}>
           You can proceed to log in with this wallet, or go back and use a
           different wallet.
         </Text>
         <View style={styles.walletTile}>
           <Text style={styles.walletIdentifierTitleText}>
             {walletIdentifierTitle}
           </Text>
           <View style={styles.walletIdentifier}>
             <Text style={styles.walletIdentifierText} numberOfLines={1}>
               {walletIdentifier}
             </Text>
           </View>
         </View>
       </RegistrationContentContainer>
       <RegistrationButtonContainer>
         <RegistrationButton
           onPress={onProceedToLogIn}
           label="Log in to account"
           variant={logInPending ? 'loading' : 'enabled'}
         />
         <RegistrationButton
           onPress={goBack}
           label="Use a different wallet"
           variant="outline"
         />
       </RegistrationButtonContainer>
     </RegistrationContainer>
   );
 }
 
 const unboundStyles = {
   header: {
     fontSize: 24,
     color: 'panelForegroundLabel',
     paddingBottom: 16,
   },
   body: {
     fontFamily: 'Arial',
     fontSize: 15,
     lineHeight: 20,
     color: 'panelForegroundSecondaryLabel',
     paddingBottom: 40,
   },
   walletTile: {
     backgroundColor: 'panelForeground',
     borderRadius: 8,
     padding: 24,
     alignItems: 'center',
   },
   walletIdentifierTitleText: {
     fontSize: 17,
     color: 'panelForegroundLabel',
     textAlign: 'center',
   },
   walletIdentifier: {
     backgroundColor: 'panelSecondaryForeground',
     paddingVertical: 8,
     paddingHorizontal: 24,
     borderRadius: 56,
     marginTop: 8,
     alignItems: 'center',
   },
   walletIdentifierText: {
     fontSize: 15,
     color: 'panelForegroundLabel',
   },
 };
 
 export default ExistingEthereumAccount;