diff --git a/wallets/react-wallet-v2/public/main.css b/wallets/react-wallet-v2/public/main.css
index ab997f5..3615e4a 100644
--- a/wallets/react-wallet-v2/public/main.css
+++ b/wallets/react-wallet-v2/public/main.css
@@ -2,14 +2,6 @@
   box-sizing: border-box;
 }
 
-body,
-html {
-  position: fixed;
-  height: 100vh;
-  width: 100vw;
-  overflow: hidden;
-}
-
 .routeTransition {
   width:  100%;
   height: 100%;
diff --git a/wallets/react-wallet-v2/src/data/EIP155Data.ts b/wallets/react-wallet-v2/src/data/EIP155Data.ts
index efc5cee..c9ecf2d 100644
--- a/wallets/react-wallet-v2/src/data/EIP155Data.ts
+++ b/wallets/react-wallet-v2/src/data/EIP155Data.ts
@@ -43,6 +43,33 @@ export const EIP155_CHAINS = {
   }
 }
 
+export const EIP155_TEST_CHAINS = {
+  'eip155:4': {
+    chainId: 4,
+    name: 'Ethereum Rinkeby',
+    logo: LOGO_BASE_URL + 'eip155:1.png',
+    rgb: '99, 125, 234'
+  },
+  'eip155:69': {
+    chainId: 69,
+    name: 'Optimism Kovan',
+    logo: LOGO_BASE_URL + 'eip155:10.png',
+    rgb: '233, 1, 1'
+  },
+  'eip155:80001': {
+    chainId: 80001,
+    name: 'Polygon Mumbai',
+    logo: LOGO_BASE_URL + 'eip155:137.png',
+    rgb: '130, 71, 229'
+  },
+  'eip155:421611': {
+    chainId: 421611,
+    name: 'Arbitrum Rinkeby',
+    logo: LOGO_BASE_URL + 'eip155:42161.png',
+    rgb: '44, 55, 75'
+  }
+}
+
 /**
  * Methods
  */
diff --git a/wallets/react-wallet-v2/src/pages/settings.tsx b/wallets/react-wallet-v2/src/pages/settings.tsx
index 87de47c..22e64f5 100644
--- a/wallets/react-wallet-v2/src/pages/settings.tsx
+++ b/wallets/react-wallet-v2/src/pages/settings.tsx
@@ -1,12 +1,15 @@
 import PageHeader from '@/components/PageHeader'
+import SettingsStore from '@/store/SettingsStore'
 import { wallet } from '@/utils/WalletUtil'
 import { Card, Divider, Row, Switch, Text, useTheme } from '@nextui-org/react'
 import { useTheme as useNextTheme } from 'next-themes'
 import { Fragment } from 'react'
+import { useSnapshot } from 'valtio'
 
 export default function SettingsPage() {
   const { setTheme } = useNextTheme()
   const { isDark, type } = useTheme()
+  const { testNets } = useSnapshot(SettingsStore.state)
 
   return (
     <Fragment>
@@ -29,7 +32,8 @@ export default function SettingsPage() {
         Testnets
       </Text>
       <Row justify="space-between" align="center">
-        <Switch /> <Text>Dissabled</Text>
+        <Switch checked={testNets} onChange={SettingsStore.toggleTestNets} />
+        <Text>{testNets ? 'Enabled' : 'Disabled'}</Text>
       </Row>
 
       <Divider y={3} />
@@ -38,7 +42,7 @@ export default function SettingsPage() {
         Theme
       </Text>
       <Row justify="space-between" align="center">
-        <Switch checked={isDark} onChange={e => setTheme(e.target.checked ? 'dark' : 'light')} />{' '}
+        <Switch checked={isDark} onChange={e => setTheme(e.target.checked ? 'dark' : 'light')} />
         <Text>{type}</Text>
       </Row>
     </Fragment>
diff --git a/wallets/react-wallet-v2/src/store/SettingsStore.ts b/wallets/react-wallet-v2/src/store/SettingsStore.ts
new file mode 100644
index 0000000..2771f4e
--- /dev/null
+++ b/wallets/react-wallet-v2/src/store/SettingsStore.ts
@@ -0,0 +1,28 @@
+import { proxy } from 'valtio'
+
+/**
+ * Types
+ */
+interface State {
+  testNets: boolean
+}
+
+/**
+ * State
+ */
+const state = proxy<State>({
+  testNets: false
+})
+
+/**
+ * Store / Actions
+ */
+const SettingsStore = {
+  state,
+
+  toggleTestNets() {
+    state.testNets = !state.testNets
+  }
+}
+
+export default SettingsStore