diff --git a/src/modals/Connect/Utils.ts b/src/modals/Connect/Utils.ts
new file mode 100644
index 0000000000..36dfa623cb
--- /dev/null
+++ b/src/modals/Connect/Utils.ts
@@ -0,0 +1,25 @@
+// Copyright 2024 @paritytech/polkadot-staking-dashboard authors & contributors
+// SPDX-License-Identifier: GPL-3.0-only
+/* eslint-disable no-useless-escape */
+
+// Checks if in mobile browser.
+//
+// NOTE: taken from `http://detectmobilebrowsers.com/`.
+export const mobileCheck = () => {
+  let check = false;
+  ((a) => {
+    if (
+      /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(
+        a
+      ) ||
+      /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(
+        a.substring(0, 4)
+      )
+    ) {
+      check = true;
+    }
+  })(
+    navigator.userAgent || navigator.vendor || (window.opera && 'opera m') || ''
+  );
+  return check;
+};
diff --git a/src/modals/Connect/index.tsx b/src/modals/Connect/index.tsx
index c3c16bd0d9..fed4d3a771 100644
--- a/src/modals/Connect/index.tsx
+++ b/src/modals/Connect/index.tsx
@@ -29,19 +29,27 @@ import { Vault } from './Vault';
 import { ExtensionsWrapper } from './Wrappers';
 import { ButtonPrimaryInvert } from 'kits/Buttons/ButtonPrimaryInvert';
 import { ButtonTab } from 'kits/Buttons/ButtonTab';
+import { mobileCheck } from './Utils';
 
 export const Connect = () => {
   const { t } = useTranslation('modals');
   const { extensionsStatus } = useExtensions();
   const { replaceModal, setModalHeight, modalMaxHeight } = useOverlay().modal;
 
+  // Whether the app is running in Nova Wallet.
   const inNova = !!window?.walletExtension?.isNovaWallet || false;
 
-  // If in Nova Wallet, only display it in extension options, otherwise, remove developer tool extensions from web options.
-  const developerTools = ['polkadot-js'];
-  const web = !inNova
-    ? ExtensionsArray.filter((a) => !developerTools.includes(a.id))
-    : ExtensionsArray.filter((a) => a.id === 'polkadot-js');
+  // Whether the app is running in a SubWallet Mobile.
+  const inSubWallet = !!window.injectedWeb3?.['subwallet-js'] && mobileCheck();
+
+  // If in Nova Wallet, keep `polkadot-js` only for overwriting its metadata with Nova's.
+  const web = inNova
+    ? ExtensionsArray.filter((a) => a.id === 'polkadot-js')
+    : // If in SubWallet Mobile, keep `subwallet-js` only.
+      inSubWallet
+      ? ExtensionsArray.filter((a) => a.id === 'subwallet-js')
+      : // Otherwise, keep all extensions except `polkadot-js`.
+        ExtensionsArray.filter((a) => a.id !== 'polkadot-js');
 
   const installed = web.filter((a) =>
     Object.keys(extensionsStatus).find((key) => key === a.id)
@@ -114,9 +122,9 @@ export const Connect = () => {
     </>
   );
 
-  // Display hardware before extensions.
-  // If in Nova Wallet, display extensions before hardware.
-  const ConnectCombinedJSX = !inNova ? (
+  // Display hardware before extensions. If in Nova Wallet or SubWallet Mobile, display extension
+  // before hardware.
+  const ConnectCombinedJSX = !(inNova || inSubWallet) ? (
     <>
       {ConnectHardwareJSX}
       {ConnectExtensionsJSX}
diff --git a/src/types.ts b/src/types.ts
index dc30705e4f..54cd43677c 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -21,6 +21,7 @@ import type { CSSProperties } from 'styled-components';
 declare global {
   interface Window {
     injectedWeb3?: Record<string, ExtensionInjected>;
+    opera?: boolean;
   }
   interface DocumentEventMap {
     notification: CustomEvent<NotificationItem>;