diff --git a/.github/workflow-scripts/__tests__/maestro-ios-test.js b/.github/workflow-scripts/__tests__/maestro-ios-test.js
new file mode 100644
index 000000000000..e77c0c05cfd0
--- /dev/null
+++ b/.github/workflow-scripts/__tests__/maestro-ios-test.js
@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+jest.mock('child_process', () => ({
+  execSync: jest.fn(),
+  spawn: jest.fn(),
+}));
+const childProcess = require('child_process');
+
+const {findAvailableSimulator} = require('../maestro-ios');
+
+describe('Maestro iOS runner', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('selects an iPhone Pro simulator from the latest runtime', () => {
+    childProcess.execSync.mockReturnValue(
+      JSON.stringify({
+        devices: {
+          'iOS 18.5': [{name: 'iPhone 16 Pro', udid: 'old-pro'}],
+          'iOS 26.5': [
+            {name: 'iPhone 17 Pro Max', udid: 'new-pro-max'},
+            {name: 'iPhone 17 Pro', udid: 'new-pro'},
+          ],
+        },
+      }),
+    );
+
+    expect(findAvailableSimulator()).toEqual({
+      name: 'iPhone 17 Pro',
+      udid: 'new-pro',
+    });
+  });
+});
diff --git a/.github/workflow-scripts/maestro-ios.js b/.github/workflow-scripts/maestro-ios.js
index bad5f8a35248..0fcae5a54b89 100644
--- a/.github/workflow-scripts/maestro-ios.js
+++ b/.github/workflow-scripts/maestro-ios.js
@@ -23,25 +23,28 @@ node maestro-android.js <path to app> <app_id> <maestro_flow> <flavor> <working_
 ==============
 `;
 
-const args = process.argv.slice(2);
+const MAX_ATTEMPTS = 5;
 
-if (args.length !== 6) {
-  throw new Error(`Invalid number of arguments.\n${usage}`);
-}
+function findAvailableSimulator() {
+  const output = childProcess.execSync(
+    'xcrun simctl list devices available -j',
+  );
+  const devices = Object.values(JSON.parse(String(output)).devices)
+    .flat()
+    .reverse();
+  const simulator = devices.find(device => /^iPhone .* Pro$/.test(device.name));
 
-const APP_PATH = args[0];
-const APP_ID = args[1];
-const MAESTRO_FLOW = args[2];
-const JS_ENGINE = args[3];
-const IS_DEBUG = args[4] === 'Debug';
-const WORKING_DIRECTORY = args[5];
+  if (simulator == null) {
+    throw new Error('Unable to find an available iPhone Pro simulator');
+  }
 
-const MAX_ATTEMPTS = 5;
+  return simulator;
+}
 
-function launchSimulator(simulatorName) {
-  console.log(`Launching simulator ${simulatorName}`);
+function launchSimulator(simulator) {
+  console.log(`Launching simulator ${simulator.name} (${simulator.udid})`);
   try {
-    childProcess.execSync(`xcrun simctl boot "${simulatorName}"`);
+    childProcess.execSync(`xcrun simctl boot "${simulator.udid}"`);
   } catch (error) {
     if (
       !error.message.includes('Unable to boot device in current state: Booted')
@@ -56,14 +59,6 @@ function installAppOnSimulator(appPath) {
   childProcess.execSync(`xcrun simctl install booted "${appPath}"`);
 }
 
-function extractSimulatorUDID() {
-  console.log('Retrieving device UDID');
-  const command = `xcrun simctl list devices booted -j | jq -r '[.devices[]] | add | first | .udid'`;
-  const udid = String(childProcess.execSync(command)).trim();
-  console.log(`UDID is ${udid}`);
-  return udid;
-}
-
 function bringSimulatorInForeground() {
   console.log('Bringing simulator in foreground');
   childProcess.execSync('open -a simulator');
@@ -151,26 +146,42 @@ function executeTestsWithRetries(
   }
 }
 
-async function main() {
+async function main(args = process.argv.slice(2)) {
+  if (args.length !== 6) {
+    throw new Error(`Invalid number of arguments.\n${usage}`);
+  }
+
+  const appPath = args[0];
+  const appId = args[1];
+  const maestroFlow = args[2];
+  const jsengine = args[3];
+  const isDebug = args[4] === 'Debug';
+  const workingDirectory = args[5];
+
   console.info('\n==============================');
   console.info('Running tests for iOS with the following parameters:');
-  console.info(`APP_PATH: ${APP_PATH}`);
-  console.info(`APP_ID: ${APP_ID}`);
-  console.info(`MAESTRO_FLOW: ${MAESTRO_FLOW}`);
-  console.info(`JS_ENGINE: ${JS_ENGINE}`);
-  console.info(`IS_DEBUG: ${IS_DEBUG}`);
-  console.info(`WORKING_DIRECTORY: ${WORKING_DIRECTORY}`);
+  console.info(`APP_PATH: ${appPath}`);
+  console.info(`APP_ID: ${appId}`);
+  console.info(`MAESTRO_FLOW: ${maestroFlow}`);
+  console.info(`JS_ENGINE: ${jsengine}`);
+  console.info(`IS_DEBUG: ${isDebug}`);
+  console.info(`WORKING_DIRECTORY: ${workingDirectory}`);
   console.info('==============================\n');
 
-  const simulatorName = 'iPhone 16 Pro';
-  launchSimulator(simulatorName);
-  installAppOnSimulator(APP_PATH);
-  const udid = extractSimulatorUDID();
+  const simulator = findAvailableSimulator();
+  launchSimulator(simulator);
+  installAppOnSimulator(appPath);
   bringSimulatorInForeground();
-  await launchAppOnSimulator(APP_ID, udid, IS_DEBUG);
-  executeTestsWithRetries(APP_ID, udid, MAESTRO_FLOW, JS_ENGINE, 1);
+  await launchAppOnSimulator(appId, simulator.udid, isDebug);
+  executeTestsWithRetries(appId, simulator.udid, maestroFlow, jsengine, 1);
   console.log('Test finished');
   process.exit(0);
 }
 
-main();
+if (require.main === module) {
+  main();
+}
+
+module.exports = {
+  findAvailableSimulator,
+};
diff --git a/.github/workflows/e2e-ios-rntester.yml b/.github/workflows/e2e-ios-rntester.yml
index 941711c111e9..999af94846f7 100644
--- a/.github/workflows/e2e-ios-rntester.yml
+++ b/.github/workflows/e2e-ios-rntester.yml
@@ -16,7 +16,7 @@ on:
 
 jobs:
   test:
-    runs-on: macos-15-large
+    runs-on: macos-26-large
     outputs:
       status: ${{ steps.report-status.outputs.status }}
     strategy:
@@ -35,8 +35,6 @@ jobs:
           path: /tmp/RNTesterBuild/RNTester.app
       - name: Check downloaded folder content
         run: ls -lR /tmp/RNTesterBuild
-      - name: Setup xcode
-        uses: ./.github/actions/setup-xcode
       - name: Run E2E Tests
         id: run-tests
         continue-on-error: true
diff --git a/.github/workflows/e2e-ios-templateapp.yml b/.github/workflows/e2e-ios-templateapp.yml
index dd4761471ca7..b203e9c84b24 100644
--- a/.github/workflows/e2e-ios-templateapp.yml
+++ b/.github/workflows/e2e-ios-templateapp.yml
@@ -16,7 +16,7 @@ on:
 
 jobs:
   test:
-    runs-on: macos-15-large
+    runs-on: macos-26-large
     outputs:
       status: ${{ steps.report-status.outputs.status }}
     strategy:
@@ -26,8 +26,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v6
-      - name: Setup xcode
-        uses: ./.github/actions/setup-xcode
       - name: Setup node.js
         uses: ./.github/actions/setup-node
       - name: Run yarn