diff --git a/packages/mobile/locales/en-US/accountScreen10.json b/packages/mobile/locales/en-US/accountScreen10.json
index 925756cb466..6faaba98784 100644
--- a/packages/mobile/locales/en-US/accountScreen10.json
+++ b/packages/mobile/locales/en-US/accountScreen10.json
@@ -10,6 +10,10 @@
   "shareAnalytics": "Share Analytics",
   "shareAnalytics_detail":
     "We collect anonymized data about how you use Celo to help improve the application for everyone.",
+  "celoLite": "Celo Lite",
+  "enableCeloLite": "Enable Celo Lite",
+  "celoLiteDetail":
+    "Celo Lite mode allows you to communicate with the Celo Network through a trusted node. You can always change this mode in app settings.",
   "testFaqHere": "<0>Test FAQ is </0><1>here</1>",
   "termsOfServiceHere": "<0>Terms of service are </0><1>here</1>",
   "editProfile": "Edit Profile",
diff --git a/packages/mobile/locales/es-419/accountScreen10.json b/packages/mobile/locales/es-419/accountScreen10.json
index 6bc3d025916..acd51bba54f 100755
--- a/packages/mobile/locales/es-419/accountScreen10.json
+++ b/packages/mobile/locales/es-419/accountScreen10.json
@@ -10,6 +10,10 @@
   "shareAnalytics": "Compartir estadisticas de uso",
   "shareAnalytics_detail":
     "Recopilamos datos anónimos sobre cómo utiliza Celo para ayudar a mejorar la aplicación para todos.",
+  "celoLite": "Celo Lite",
+  "enableCeloLite": "Habilitar Celo Lite",
+  "celoLiteDetail":
+    "El modo Celo Lite te permite comunicarte con la Red Celo  a través de un nodo confiable. Puedes cambiar este modo en la configuración de la aplicación.",
   "testFaqHere": "<1>Aquí</1><0> están las preguntas frecuentes de la prueba. </0>",
   "termsOfServiceHere": "<1>Aquí</1><0> están las Condiciones de servicio.</0>",
   "editProfile": "Editar perfil",
diff --git a/packages/mobile/src/account/Account.tsx b/packages/mobile/src/account/Account.tsx
index bd017c8beea..6865c11aff9 100644
--- a/packages/mobile/src/account/Account.tsx
+++ b/packages/mobile/src/account/Account.tsx
@@ -109,6 +109,10 @@ export class Account extends React.Component<Props, State> {
     navigate(Screens.Analytics, { nextScreen: Screens.Account })
   }
 
+  goToCeloLite() {
+    navigate(Screens.CeloLite, { nextScreen: Screens.Account })
+  }
+
   goToFAQ() {
     navigateToURI(FAQ_LINK)
   }
@@ -229,6 +233,9 @@ export class Account extends React.Component<Props, State> {
               <SettingsItem title={t('celoRewards')} onPress={navigateToVerifierApp} />
             )}
             <SettingsItem title={t('analytics')} onPress={this.goToAnalytics} />
+            {/* // TODO(anna) Disabled until switch geth on/off is implemented
+            <SettingsItem title={t('celoLite')} onPress={this.goToCeloLite} /> 
+            */}
             <SettingsItem title={t('languageSettings')} onPress={this.goToLanguageSetting} />
             <SettingsItem
               title={t('localCurrencySetting')}
diff --git a/packages/mobile/src/account/Analytics.test.tsx b/packages/mobile/src/account/Analytics.test.tsx
new file mode 100644
index 00000000000..0dbc5c51356
--- /dev/null
+++ b/packages/mobile/src/account/Analytics.test.tsx
@@ -0,0 +1,17 @@
+import * as React from 'react'
+import 'react-native'
+import { Provider } from 'react-redux'
+import * as renderer from 'react-test-renderer'
+import Analytics from 'src/account/Analytics'
+import { createMockStore } from 'test/utils'
+
+describe('Analytics', () => {
+  it('renders correctly', () => {
+    const tree = renderer.create(
+      <Provider store={createMockStore({})}>
+        <Analytics />
+      </Provider>
+    )
+    expect(tree).toMatchSnapshot()
+  })
+})
diff --git a/packages/mobile/src/account/Analytics.tsx b/packages/mobile/src/account/Analytics.tsx
index 6eb0fc2ad04..33cfabcfa39 100644
--- a/packages/mobile/src/account/Analytics.tsx
+++ b/packages/mobile/src/account/Analytics.tsx
@@ -1,7 +1,6 @@
 import SettingsSwitchItem from '@celo/react-components/components/SettingsSwitchItem'
 import colors from '@celo/react-components/styles/colors'
 import fontStyles from '@celo/react-components/styles/fonts'
-import variables from '@celo/react-components/styles/variables'
 import * as React from 'react'
 import { WithNamespaces, withNamespaces } from 'react-i18next'
 import { ScrollView, StyleSheet, Text } from 'react-native'
@@ -50,27 +49,10 @@ export class Analytics extends React.Component<Props> {
 }
 
 const style = StyleSheet.create({
-  accountHeader: {
-    paddingTop: 20,
-  },
-  input: {
-    borderWidth: 1,
-    borderRadius: 3,
-    borderColor: '#EEEEEE',
-    padding: 5,
-    height: 54,
-    margin: 20,
-    width: variables.width - 40,
-    fontSize: 16,
-  },
   scrollView: {
     flex: 1,
     backgroundColor: colors.background,
   },
-  container: {
-    flex: 1,
-    paddingLeft: 20,
-  },
 })
 
 export default connect<StateProps, DispatchProps, {}, RootState>(
diff --git a/packages/mobile/src/account/CeloLite.test.tsx b/packages/mobile/src/account/CeloLite.test.tsx
new file mode 100644
index 00000000000..84804279238
--- /dev/null
+++ b/packages/mobile/src/account/CeloLite.test.tsx
@@ -0,0 +1,17 @@
+import * as React from 'react'
+import 'react-native'
+import { Provider } from 'react-redux'
+import * as renderer from 'react-test-renderer'
+import CeloLite from 'src/account/CeloLite'
+import { createMockStore } from 'test/utils'
+
+describe('CeloLite', () => {
+  it('renders correctly', () => {
+    const tree = renderer.create(
+      <Provider store={createMockStore({})}>
+        <CeloLite />
+      </Provider>
+    )
+    expect(tree).toMatchSnapshot()
+  })
+})
diff --git a/packages/mobile/src/account/CeloLite.tsx b/packages/mobile/src/account/CeloLite.tsx
new file mode 100644
index 00000000000..2711ae78abb
--- /dev/null
+++ b/packages/mobile/src/account/CeloLite.tsx
@@ -0,0 +1,65 @@
+import SettingsSwitchItem from '@celo/react-components/components/SettingsSwitchItem'
+import colors from '@celo/react-components/styles/colors'
+import fontStyles from '@celo/react-components/styles/fonts'
+import * as React from 'react'
+import { WithNamespaces, withNamespaces } from 'react-i18next'
+import { ScrollView, StyleSheet, Text } from 'react-native'
+import { connect } from 'react-redux'
+import i18n, { Namespaces } from 'src/i18n'
+import { headerWithCancelButton } from 'src/navigator/Headers'
+import { RootState } from 'src/redux/reducers'
+import { setZeroSyncMode } from 'src/web3/actions'
+
+interface StateProps {
+  zeroSyncEnabled: boolean
+}
+
+interface DispatchProps {
+  setZeroSyncMode: typeof setZeroSyncMode
+}
+
+type Props = StateProps & DispatchProps & WithNamespaces
+
+const mapDispatchToProps = {
+  setZeroSyncMode,
+}
+
+const mapStateToProps = (state: RootState): StateProps => {
+  return {
+    zeroSyncEnabled: state.web3.zeroSyncMode,
+  }
+}
+
+export class CeloLite extends React.Component<Props> {
+  static navigationOptions = () => ({
+    ...headerWithCancelButton,
+    headerTitle: i18n.t('accountScreen10:celoLite'),
+  })
+
+  render() {
+    const { zeroSyncEnabled, t } = this.props
+    return (
+      <ScrollView style={style.scrollView} keyboardShouldPersistTaps="handled">
+        <SettingsSwitchItem
+          switchValue={zeroSyncEnabled}
+          onSwitchChange={this.props.setZeroSyncMode}
+          details={t('celoLiteDetail')}
+        >
+          <Text style={fontStyles.body}>{t('enableCeloLite')}</Text>
+        </SettingsSwitchItem>
+      </ScrollView>
+    )
+  }
+}
+
+const style = StyleSheet.create({
+  scrollView: {
+    flex: 1,
+    backgroundColor: colors.background,
+  },
+})
+
+export default connect<StateProps, DispatchProps, {}, RootState>(
+  mapStateToProps,
+  mapDispatchToProps
+)(withNamespaces(Namespaces.accountScreen10)(CeloLite))
diff --git a/packages/mobile/src/account/EditProfile.tsx b/packages/mobile/src/account/EditProfile.tsx
index 0b0fe4c3cb9..76b394338c3 100644
--- a/packages/mobile/src/account/EditProfile.tsx
+++ b/packages/mobile/src/account/EditProfile.tsx
@@ -73,9 +73,6 @@ export class EditProfile extends React.Component<Props> {
 }
 
 const style = StyleSheet.create({
-  accountHeader: {
-    paddingTop: 20,
-  },
   input: {
     borderWidth: 1,
     borderRadius: 3,
@@ -90,10 +87,6 @@ const style = StyleSheet.create({
     flex: 1,
     backgroundColor: colors.background,
   },
-  container: {
-    flex: 1,
-    paddingLeft: 20,
-  },
 })
 
 export default connect<StateProps, DispatchProps, {}, RootState>(
diff --git a/packages/mobile/src/account/Education.tsx b/packages/mobile/src/account/Education.tsx
index 66a86b0385f..471d673e468 100644
--- a/packages/mobile/src/account/Education.tsx
+++ b/packages/mobile/src/account/Education.tsx
@@ -189,20 +189,6 @@ const style = StyleSheet.create({
     flex: 1,
     paddingHorizontal: 20,
   },
-  footerLink: {
-    color: colors.celoGreen,
-    textAlign: 'center',
-    marginTop: 10,
-    marginBottom: 25,
-  },
-  circleContainer: {
-    flex: 0,
-    width: PROGRESS_CIRCLE_PASSIVE_SIZE,
-    height: PROGRESS_CIRCLE_PASSIVE_SIZE,
-    alignItems: 'center',
-    justifyContent: 'center',
-    margin: 5,
-  },
   circle: {
     flex: 0,
     backgroundColor: colors.inactive,
diff --git a/packages/mobile/src/account/Invite.tsx b/packages/mobile/src/account/Invite.tsx
index 57739ab2989..0b8dd33ebd0 100644
--- a/packages/mobile/src/account/Invite.tsx
+++ b/packages/mobile/src/account/Invite.tsx
@@ -135,15 +135,6 @@ const style = StyleSheet.create({
     flex: 1,
     backgroundColor: colors.background,
   },
-  inviteHeadline: {
-    fontSize: 24,
-    lineHeight: 39,
-    color: colors.dark,
-  },
-  label: {
-    alignSelf: 'center',
-    textAlign: 'center',
-  },
 })
 
 export default componentWithAnalytics(
diff --git a/packages/mobile/src/account/Licenses.test.tsx b/packages/mobile/src/account/Licenses.test.tsx
new file mode 100644
index 00000000000..fc603cf69e7
--- /dev/null
+++ b/packages/mobile/src/account/Licenses.test.tsx
@@ -0,0 +1,17 @@
+import * as React from 'react'
+import 'react-native'
+import { Provider } from 'react-redux'
+import * as renderer from 'react-test-renderer'
+import Licenses from 'src/account/Licenses'
+import { createMockStore } from 'test/utils'
+
+describe('Licenses', () => {
+  it('renders correctly', () => {
+    const tree = renderer.create(
+      <Provider store={createMockStore({})}>
+        <Licenses />
+      </Provider>
+    )
+    expect(tree).toMatchSnapshot()
+  })
+})
diff --git a/packages/mobile/src/account/Profile.tsx b/packages/mobile/src/account/Profile.tsx
index fe0e4936533..ee712ead8b5 100644
--- a/packages/mobile/src/account/Profile.tsx
+++ b/packages/mobile/src/account/Profile.tsx
@@ -65,9 +65,6 @@ export class Profile extends React.Component<Props> {
 }
 
 const style = StyleSheet.create({
-  accountHeader: {
-    paddingTop: 20,
-  },
   accountProfile: {
     paddingLeft: 10,
     paddingTop: 30,
@@ -76,26 +73,6 @@ const style = StyleSheet.create({
     flexDirection: 'column',
     alignItems: 'center',
   },
-  accountFooter: {
-    flex: 1,
-    flexDirection: 'row',
-    justifyContent: 'center',
-    alignItems: 'center',
-    height: 50,
-    margin: 10,
-  },
-  accountFooterText: {
-    paddingBottom: 10,
-  },
-  editProfileButton: {
-    height: 28,
-    width: 110,
-  },
-  image: {
-    height: 55,
-    width: 55,
-    borderRadius: 50,
-  },
   underlinedBox: {
     borderTopWidth: 1,
     borderColor: '#EEEEEE',
diff --git a/packages/mobile/src/account/__snapshots__/Analytics.test.tsx.snap b/packages/mobile/src/account/__snapshots__/Analytics.test.tsx.snap
new file mode 100644
index 00000000000..74b75f43f3e
--- /dev/null
+++ b/packages/mobile/src/account/__snapshots__/Analytics.test.tsx.snap
@@ -0,0 +1,93 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Analytics renders correctly 1`] = `
+<RCTScrollView
+  keyboardShouldPersistTaps="handled"
+  style={
+    Object {
+      "backgroundColor": "#FFFFFF",
+      "flex": 1,
+    }
+  }
+>
+  <View>
+    <View
+      style={
+        Object {
+          "borderBottomWidth": 1,
+          "borderColor": "#EEEEEE",
+          "marginLeft": 15,
+        }
+      }
+    >
+      <View
+        style={
+          Object {
+            "flexDirection": "row",
+            "justifyContent": "space-between",
+            "padding": 20,
+          }
+        }
+      >
+        <View
+          style={
+            Array [
+              Object {
+                "justifyContent": "center",
+              },
+            ]
+          }
+        >
+          <Text
+            style={
+              Object {
+                "color": "#2E3338",
+                "fontFamily": "Hind-Regular",
+                "fontSize": 16,
+                "lineHeight": 24,
+              }
+            }
+          >
+            shareAnalytics
+          </Text>
+        </View>
+        <View
+          style={
+            Array [
+              Object {
+                "justifyContent": "center",
+              },
+            ]
+          }
+        >
+          <AndroidSwitch
+            accessibilityRole="button"
+            enabled={true}
+            on={true}
+            onChange={[Function]}
+            onResponderTerminationRequest={[Function]}
+            onStartShouldSetResponder={[Function]}
+            thumbTintColor="#FFFFFF"
+            trackColorForFalse="#E3E3E5"
+            trackColorForTrue="#42D689"
+            trackTintColor="#42D689"
+          />
+        </View>
+      </View>
+      <View
+        style={
+          Object {
+            "paddingBottom": 20,
+            "paddingLeft": 20,
+            "paddingRight": 20,
+          }
+        }
+      >
+        <Text>
+          shareAnalytics_detail
+        </Text>
+      </View>
+    </View>
+  </View>
+</RCTScrollView>
+`;
diff --git a/packages/mobile/src/account/__snapshots__/CeloLite.test.tsx.snap b/packages/mobile/src/account/__snapshots__/CeloLite.test.tsx.snap
new file mode 100644
index 00000000000..0a3080730d9
--- /dev/null
+++ b/packages/mobile/src/account/__snapshots__/CeloLite.test.tsx.snap
@@ -0,0 +1,93 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`CeloLite renders correctly 1`] = `
+<RCTScrollView
+  keyboardShouldPersistTaps="handled"
+  style={
+    Object {
+      "backgroundColor": "#FFFFFF",
+      "flex": 1,
+    }
+  }
+>
+  <View>
+    <View
+      style={
+        Object {
+          "borderBottomWidth": 1,
+          "borderColor": "#EEEEEE",
+          "marginLeft": 15,
+        }
+      }
+    >
+      <View
+        style={
+          Object {
+            "flexDirection": "row",
+            "justifyContent": "space-between",
+            "padding": 20,
+          }
+        }
+      >
+        <View
+          style={
+            Array [
+              Object {
+                "justifyContent": "center",
+              },
+            ]
+          }
+        >
+          <Text
+            style={
+              Object {
+                "color": "#2E3338",
+                "fontFamily": "Hind-Regular",
+                "fontSize": 16,
+                "lineHeight": 24,
+              }
+            }
+          >
+            enableCeloLite
+          </Text>
+        </View>
+        <View
+          style={
+            Array [
+              Object {
+                "justifyContent": "center",
+              },
+            ]
+          }
+        >
+          <AndroidSwitch
+            accessibilityRole="button"
+            enabled={true}
+            on={false}
+            onChange={[Function]}
+            onResponderTerminationRequest={[Function]}
+            onStartShouldSetResponder={[Function]}
+            thumbTintColor="#FFFFFF"
+            trackColorForFalse="#E3E3E5"
+            trackColorForTrue="#42D689"
+            trackTintColor="#E3E3E5"
+          />
+        </View>
+      </View>
+      <View
+        style={
+          Object {
+            "paddingBottom": 20,
+            "paddingLeft": 20,
+            "paddingRight": 20,
+          }
+        }
+      >
+        <Text>
+          celoLiteDetail
+        </Text>
+      </View>
+    </View>
+  </View>
+</RCTScrollView>
+`;
diff --git a/packages/mobile/src/account/__snapshots__/Licenses.test.tsx.snap b/packages/mobile/src/account/__snapshots__/Licenses.test.tsx.snap
new file mode 100644
index 00000000000..3c6640ba55c
--- /dev/null
+++ b/packages/mobile/src/account/__snapshots__/Licenses.test.tsx.snap
@@ -0,0 +1,50 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Licenses renders correctly 1`] = `
+<View
+  style={
+    Object {
+      "flex": 1,
+      "overflow": "hidden",
+    }
+  }
+>
+  <RNCWebView
+    allowFileAccess={false}
+    allowsFullscreenVideo={false}
+    androidHardwareAccelerationDisabled={false}
+    cacheEnabled={true}
+    javaScriptEnabled={true}
+    messagingEnabled={false}
+    onLoadingError={[Function]}
+    onLoadingFinish={[Function]}
+    onLoadingProgress={[Function]}
+    onLoadingStart={[Function]}
+    onMessage={[Function]}
+    onShouldStartLoadWithRequest={[Function]}
+    overScrollMode="always"
+    saveFormDataDisabled={false}
+    scalesPageToFit={true}
+    source={
+      Object {
+        "uri": "file:///android_asset/custom/LicenseDisclaimer.txt",
+      }
+    }
+    style={
+      Array [
+        Object {
+          "flex": 1,
+          "overflow": "hidden",
+        },
+        Object {
+          "backgroundColor": "#ffffff",
+        },
+        Object {
+          "marginHorizontal": 20,
+        },
+      ]
+    }
+    thirdPartyCookiesEnabled={true}
+  />
+</View>
+`;
diff --git a/packages/mobile/src/navigator/Navigator.tsx b/packages/mobile/src/navigator/Navigator.tsx
index df1f10a5988..ed22c7231ff 100644
--- a/packages/mobile/src/navigator/Navigator.tsx
+++ b/packages/mobile/src/navigator/Navigator.tsx
@@ -2,6 +2,7 @@ import { Platform } from 'react-native'
 import { createStackNavigator, createSwitchNavigator, StackNavigatorConfig } from 'react-navigation'
 import Account from 'src/account/Account'
 import Analytics from 'src/account/Analytics'
+import CeloLite from 'src/account/CeloLite'
 import DollarEducation from 'src/account/DollarEducation'
 import EditProfile from 'src/account/EditProfile'
 import GoldEducation from 'src/account/GoldEducation'
@@ -152,6 +153,7 @@ const AppStack = createStackNavigator(
     [Stacks.RequestStack]: { screen: RequestStack },
     [Screens.Language]: { screen: Language },
     [Screens.Analytics]: { screen: Analytics },
+    [Screens.CeloLite]: { screen: CeloLite },
     [Screens.SetClock]: { screen: SetClock },
     [Screens.EditProfile]: { screen: EditProfile },
     [Screens.Profile]: { screen: Profile },
diff --git a/packages/mobile/src/navigator/Screens.tsx b/packages/mobile/src/navigator/Screens.tsx
index 7c2fc7347d1..4f19dbeb6b8 100644
--- a/packages/mobile/src/navigator/Screens.tsx
+++ b/packages/mobile/src/navigator/Screens.tsx
@@ -11,6 +11,7 @@ export enum Screens {
   Account = 'Account',
   Analytics = 'Analytics',
   Backup = 'Backup',
+  CeloLite = 'CeloLite',
   DappKitAccountAuth = 'DappKitAccountAuth',
   DappKitSignTxScreen = 'DappKitSignTxScreen',
   DappKitTxDataScreen = 'DappKitTxDataScreen',
diff --git a/packages/mobile/src/redux/sagas.ts b/packages/mobile/src/redux/sagas.ts
index 798967ac62f..fe3250573ac 100644
--- a/packages/mobile/src/redux/sagas.ts
+++ b/packages/mobile/src/redux/sagas.ts
@@ -19,6 +19,7 @@ import { networkInfoSaga } from 'src/networkInfo/saga'
 import { sendSaga } from 'src/send/saga'
 import { stableTokenSaga } from 'src/stableToken/saga'
 import Logger from 'src/utils/Logger'
+import { web3Saga } from 'src/web3/saga'
 
 const loggerBlacklist = [
   'persist/REHYDRATE',
@@ -75,4 +76,5 @@ export function* rootSaga() {
   yield spawn(dappKitSaga)
   yield spawn(feesSaga)
   yield spawn(localCurrencySaga)
+  yield spawn(web3Saga)
 }
diff --git a/packages/mobile/src/web3/actions.ts b/packages/mobile/src/web3/actions.ts
index fad10e98b10..3726b9a3088 100644
--- a/packages/mobile/src/web3/actions.ts
+++ b/packages/mobile/src/web3/actions.ts
@@ -10,6 +10,7 @@ export enum Actions {
   SET_COMMENT_KEY = 'WEB3/SET_COMMENT_KEY',
   SET_PROGRESS = 'WEB3/SET_PROGRESS',
   SET_IS_READY = 'WEB3/SET_IS_READY',
+  SET_IS_ZERO_SYNC = 'WEB3/SET_IS_ZERO_SYNC',
   SET_BLOCK_NUMBER = 'WEB3/SET_BLOCK_NUMBER',
   REQUEST_SYNC_PROGRESS = 'WEB3/REQUEST_SYNC_PROGRESS',
   UPDATE_WEB3_SYNC_PROGRESS = 'WEB3/UPDATE_WEB3_SYNC_PROGRESS',
@@ -20,6 +21,11 @@ export interface SetAccountAction {
   address: string
 }
 
+export interface SetIsZeroSyncAction {
+  type: Actions.SET_IS_ZERO_SYNC
+  zeroSyncMode: boolean
+}
+
 export interface SetCommentKeyAction {
   type: Actions.SET_COMMENT_KEY
   commentKey: string
@@ -41,6 +47,7 @@ export interface UpdateWeb3SyncProgressAction {
 
 export type ActionTypes =
   | SetAccountAction
+  | SetIsZeroSyncAction
   | SetCommentKeyAction
   | SetLatestBlockNumberAction
   | UpdateWeb3SyncProgressAction
@@ -53,6 +60,13 @@ export const setAccount = (address: string): SetAccountAction => {
   }
 }
 
+export const setZeroSyncMode = (zeroSyncMode: boolean): SetIsZeroSyncAction => {
+  return {
+    type: Actions.SET_IS_ZERO_SYNC,
+    zeroSyncMode,
+  }
+}
+
 export const setPrivateCommentKey = (commentKey: string): SetCommentKeyAction => {
   return {
     type: Actions.SET_COMMENT_KEY,
diff --git a/packages/mobile/src/web3/reducer.ts b/packages/mobile/src/web3/reducer.ts
index 7c10b037aba..68184ca2667 100644
--- a/packages/mobile/src/web3/reducer.ts
+++ b/packages/mobile/src/web3/reducer.ts
@@ -1,3 +1,5 @@
+import { GethSyncMode } from 'src/geth/consts'
+import networkConfig from 'src/geth/networkConfig'
 import { getRehydratePayload, REHYDRATE, RehydrateAction } from 'src/redux/persist-helper'
 import { Actions, ActionTypes } from 'src/web3/actions'
 
@@ -10,6 +12,7 @@ export interface State {
   latestBlockNumber: number
   account: string | null
   commentKey: string | null
+  zeroSyncMode: boolean
 }
 
 const initialState: State = {
@@ -21,6 +24,7 @@ const initialState: State = {
   latestBlockNumber: 0,
   account: null,
   commentKey: null,
+  zeroSyncMode: networkConfig.syncMode === GethSyncMode.ZeroSync,
 }
 
 export const reducer = (
@@ -46,6 +50,11 @@ export const reducer = (
         ...state,
         account: action.address,
       }
+    case Actions.SET_IS_ZERO_SYNC:
+      return {
+        ...state,
+        zeroSyncMode: action.zeroSyncMode,
+      }
     case Actions.SET_COMMENT_KEY:
       return {
         ...state,
diff --git a/packages/mobile/src/web3/saga.ts b/packages/mobile/src/web3/saga.ts
index cde696e55de..fc5550dbef4 100644
--- a/packages/mobile/src/web3/saga.ts
+++ b/packages/mobile/src/web3/saga.ts
@@ -4,7 +4,7 @@ import * as Crypto from 'crypto'
 import { generateMnemonic, mnemonicToSeedHex } from 'react-native-bip39'
 import * as RNFS from 'react-native-fs'
 import { REHYDRATE } from 'redux-persist/es/constants'
-import { call, delay, put, race, select, take } from 'redux-saga/effects'
+import { call, delay, put, race, select, spawn, take, takeLatest } from 'redux-saga/effects'
 import { setAccountCreationTime } from 'src/account/actions'
 import { getPincode } from 'src/account/saga'
 import CeloAnalytics from 'src/analytics/CeloAnalytics'
@@ -22,6 +22,7 @@ import {
   Actions,
   getLatestBlock,
   setAccount,
+  SetIsZeroSyncAction,
   setLatestBlockNumber,
   setPrivateCommentKey,
   updateWeb3SyncProgress,
@@ -344,3 +345,17 @@ export function* getConnectedUnlockedAccount() {
     throw new Error(ErrorMessages.INCORRECT_PIN)
   }
 }
+
+export function* switchZeroSyncMode(action: SetIsZeroSyncAction) {
+  Logger.info(TAG + '@switchZeroSyncMode', `Zero sync mode will change to: ${action.zeroSyncMode}`)
+  // TODO(anna) implement switching geth on/off, changing web3 provider
+  return true
+}
+
+export function* watchZeroSyncMode() {
+  yield takeLatest(Actions.SET_IS_ZERO_SYNC, switchZeroSyncMode)
+}
+
+export function* web3Saga() {
+  yield spawn(watchZeroSyncMode)
+}
diff --git a/packages/mobile/src/web3/selectors.ts b/packages/mobile/src/web3/selectors.ts
index bb30016381d..90495276a22 100644
--- a/packages/mobile/src/web3/selectors.ts
+++ b/packages/mobile/src/web3/selectors.ts
@@ -1,5 +1,6 @@
 import { RootState } from 'src/redux/reducers'
 
 export const currentAccountSelector = (state: RootState) => state.web3.account
+export const zeroSyncSelector = (state: RootState) => state.web3.zeroSyncMode
 
 export const privateCommentKeySelector = (state: RootState) => state.web3.commentKey
diff --git a/packages/mobile/test/schemas.ts b/packages/mobile/test/schemas.ts
index f4f259f0fa7..1ced74f71bc 100644
--- a/packages/mobile/test/schemas.ts
+++ b/packages/mobile/test/schemas.ts
@@ -56,6 +56,7 @@ export const vNeg1Schema = {
     account: '0x0000000000000000000000000000000000007E57',
     commentKey: '0x0000000000000000000000000000000000008F68',
     gasPriceLastUpdated: 0,
+    zeroSyncMode: false,
   },
   identity: {
     attestationCodes: [],