diff --git a/CHANGELOG.md b/CHANGELOG.md
index af3744ae6..05d026758 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,9 +9,11 @@
 
 ### Fixed
 - Fixed first tour item not shown if settings is not open ([support#823]).
-- Fixed selected activity tab not controlled independently per window ([support#807]);
-- Fixed selected documentation visibility not controlled independently per window ([support#807]);
+- Fixed selected activity tab not controlled independently per window ([support#807]).
+- Fixed selected documentation visibility not controlled independently per window ([support#807]).
+- Fixed slow firmware flash on Android ([support#438]).
 
+[support#438]: https://github.com/pybricks/support/issues/438
 [support#778]: https://github.com/pybricks/support/issues/778
 [support#807]: https://github.com/pybricks/support/issues/807
 [support#823]: https://github.com/pybricks/support/issues/823
diff --git a/src/app/App.tsx b/src/app/App.tsx
index 967ad324c..ab5156d76 100644
--- a/src/app/App.tsx
+++ b/src/app/App.tsx
@@ -6,9 +6,11 @@ import './app.scss';
 import { Classes, Spinner } from '@blueprintjs/core';
 import docsPackage from '@pybricks/ide-docs/package.json';
 import React, { useEffect, useState } from 'react';
+import { useDispatch } from 'react-redux';
 import SplitterLayout from 'react-splitter-layout';
 import { useLocalStorage, useTernaryDarkMode } from 'usehooks-ts';
 import Activities from '../activities/Activities';
+import { editorActivateExample } from '../editor/actions';
 import { InstallPybricksDialog } from '../firmware/installPybricksDialog/InstallPybricksDialog';
 import RestoreOfficialDialog from '../firmware/restoreOfficialDialog/RestoreOfficialDialog';
 import { useSettingIsShowDocsEnabled } from '../settings/hooks';
@@ -47,6 +49,7 @@ const Terminal = React.lazy(async () => {
 
 const Docs: React.VFC = () => {
     const { setIsSettingShowDocsEnabled } = useSettingIsShowDocsEnabled();
+    const dispatch = useDispatch();
 
     return (
         <iframe
@@ -140,6 +143,22 @@ const Docs: React.VFC = () => {
                 if (document.body.classList.contains(Classes.DARK)) {
                     contentWindow.document.documentElement.classList.add(Classes.DARK);
                 }
+
+                for (const preElement of contentWindow.document.getElementsByTagName(
+                    'pre',
+                )) {
+                    const tryMe = contentWindow.document.createElement('button');
+                    tryMe.innerText = 'try me!';
+                    tryMe.addEventListener('click', () => {
+                        dispatch(
+                            editorActivateExample('example.py', preElement.innerText),
+                        );
+                    });
+
+                    preElement.parentNode?.insertBefore(tryMe, preElement);
+                }
+
+                console.log('onload', contentWindow.location.href);
             }}
             src={`static/docs/v${docsPackage.version}/index.html?v${httpServerHeadersVersion}`}
             allowFullScreen={true}
diff --git a/src/app/constants.ts b/src/app/constants.ts
index 16d1328cb..f3b55af1c 100644
--- a/src/app/constants.ts
+++ b/src/app/constants.ts
@@ -54,7 +54,7 @@ export const pybricksBleFirmwareRestoreVideoUrl =
     'https://pybricks.com/install/technic-boost-city/#restoring-the-original-firmware';
 
 /** Pybricks copyright statement. */
-export const pybricksCopyright = 'Copyright (c) 2020-2022 The Pybricks Authors';
+export const pybricksCopyright = 'Copyright (c) 2020-2023 The Pybricks Authors';
 
 /** The LEGO name with registered trademark symbol. */
 export const legoRegisteredTrademark = 'LEGO®';
diff --git a/src/editor/actions.ts b/src/editor/actions.ts
index 1db7854e1..35df31bec 100644
--- a/src/editor/actions.ts
+++ b/src/editor/actions.ts
@@ -121,3 +121,11 @@ export const editorGoto = createAction((uuid: UUID, line: number) => ({
     uuid,
     line,
 }));
+
+export const editorActivateExample = createAction(
+    (fileName: string, content: string) => ({
+        type: 'editor.action.activateExample',
+        fileName,
+        content,
+    }),
+);
diff --git a/src/editor/sagas.ts b/src/editor/sagas.ts
index b83bdf89f..0b13b2062 100644
--- a/src/editor/sagas.ts
+++ b/src/editor/sagas.ts
@@ -20,12 +20,15 @@ import { FileStorageDb, UUID } from '../fileStorage';
 import {
     fileStorageDidFailToLoadTextFile,
     fileStorageDidFailToStoreTextFileViewState,
+    fileStorageDidFailToWriteFile,
     fileStorageDidInitialize,
     fileStorageDidLoadTextFile,
     fileStorageDidStoreTextFileViewState,
+    fileStorageDidWriteFile,
     fileStorageLoadTextFile,
     fileStorageStoreTextFileValue,
     fileStorageStoreTextFileViewState,
+    fileStorageWriteFile,
 } from '../fileStorage/actions';
 import {
     pythonMessageComplete,
@@ -46,6 +49,7 @@ import { RootState } from '../reducers';
 import { acquireLock, defined, ensureError } from '../utils';
 import { createCountFunc } from '../utils/iter';
 import {
+    editorActivateExample,
     editorActivateFile,
     editorCloseFile,
     editorCompletionDidFailToInit,
@@ -339,6 +343,28 @@ function* monitorViewState(editor: monaco.editor.ICodeEditor): Generator {
     }
 }
 
+function* handleEditorActivateExample(
+    action: ReturnType<typeof editorActivateExample>,
+): Generator {
+    yield* put(fileStorageWriteFile(action.fileName, action.content));
+
+    const { didWrite, didFailToWrite } = yield* race({
+        didWrite: take(fileStorageDidWriteFile.when((a) => a.path === action.fileName)),
+        didFailToWrite: take(
+            fileStorageDidFailToWriteFile.when((a) => a.path === action.fileName),
+        ),
+    });
+
+    if (didFailToWrite) {
+        console.error(didFailToWrite.error);
+        return;
+    }
+
+    defined(didWrite);
+
+    yield* put(editorActivateFile(didWrite.uuid));
+}
+
 function* handleDidCreateEditor(editor: monaco.editor.ICodeEditor): Generator {
     // first, we need to be sure that file storage is ready
 
@@ -362,6 +388,7 @@ function* handleDidCreateEditor(editor: monaco.editor.ICodeEditor): Generator {
         openFiles,
         activeFileHistory,
     );
+    yield* takeEvery(editorActivateExample, handleEditorActivateExample);
     yield* takeEvery(editorGoto, handleEditorGoto, editor);
     yield* takeEvery(editorDidCloseFile, handleEditorDidCloseFile, activeFileHistory);
     yield* fork(monitorViewState, editor);
diff --git a/src/firmware/sagas.ts b/src/firmware/sagas.ts
index 51ffbcc18..214bfb4f0 100644
--- a/src/firmware/sagas.ts
+++ b/src/firmware/sagas.ts
@@ -63,7 +63,6 @@ import { RootState } from '../reducers';
 import { LegoUsbProductId, legoUsbVendorId } from '../usb';
 import { defined, ensureError, hex, maybe } from '../utils';
 import { crc32, fmod, sumComplement32 } from '../utils/math';
-import { isAndroid } from '../utils/os';
 import {
     FailToFinishReasonType,
     HubError,
@@ -485,9 +484,8 @@ function* handleFlashFirmware(action: ReturnType<typeof flashFirmware>): Generat
             yield* disconnectAndCancel();
         }
 
-        // 14 is "safe" size for all hubs and Android
-        const maxDataSize =
-            (!isAndroid() && MaxProgramFlashSize.get(info.hubType)) || 14;
+        // 14 is "safe" size for all hubs
+        const maxDataSize = MaxProgramFlashSize.get(info.hubType) || 14;
 
         let runningChecksum = 0xff;