diff --git a/manager/build.gradle.kts b/manager/build.gradle.kts
index 4ac69c2..586087d 100644
--- a/manager/build.gradle.kts
+++ b/manager/build.gradle.kts
@@ -82,17 +82,18 @@ dependencies {
     implementation(projects.patch)
 
     implementation("androidx.core:core-ktx:1.7.0")
-    implementation("androidx.activity:activity-compose:1.5.0-alpha01")
-    implementation("androidx.compose.material:material-icons-extended:1.0.5")
-    implementation("androidx.compose.material3:material3:1.0.0-alpha04")
+    implementation("androidx.activity:activity-compose:1.5.0-alpha02")
+    implementation("androidx.compose.material:material-icons-extended:1.1.0")
+    implementation("androidx.compose.material3:material3:1.0.0-alpha05")
     implementation("androidx.compose.runtime:runtime-livedata:$composeVersion")
     implementation("androidx.compose.ui:ui:$composeVersion")
     implementation("androidx.compose.ui:ui-tooling:$composeVersion")
-    implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.5.0-alpha01")
-    implementation("androidx.navigation:navigation-compose:2.5.0-alpha01")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.5.0-alpha02")
+    implementation("androidx.navigation:navigation-compose:2.5.0-alpha02")
     implementation("androidx.preference:preference:1.2.0")
     implementation("com.google.accompanist:accompanist-drawablepainter:0.24.2-alpha")
     implementation("com.google.accompanist:accompanist-navigation-animation:0.24.2-alpha")
+    implementation("com.google.accompanist:accompanist-permissions:0.24.2-alpha")
     implementation("com.google.accompanist:accompanist-swiperefresh:0.24.2-alpha")
     implementation("com.google.android.material:material:1.5.0")
 }
diff --git a/manager/src/main/java/org/lsposed/lspatch/Patcher.kt b/manager/src/main/java/org/lsposed/lspatch/Patcher.kt
index 8afb1a3..eaf3897 100644
--- a/manager/src/main/java/org/lsposed/lspatch/Patcher.kt
+++ b/manager/src/main/java/org/lsposed/lspatch/Patcher.kt
@@ -52,14 +52,23 @@ object Patcher {
     suspend fun patch(context: Context, logger: Logger, options: Options) {
         withContext(Dispatchers.IO) {
             val download = "${Environment.DIRECTORY_DOWNLOADS}/LSPatch"
+            val externalStorageDir = Environment.getExternalStoragePublicDirectory(download)
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) externalStorageDir.mkdirs()
             options.outputPath = Files.createTempDirectory("patch").absolutePathString()
+
             LSPatch(logger, *options.toStringArray()).doCommandLine()
+
             File(options.outputPath)
                 .walk()
                 .filter { it.isFile }
                 .forEach {
-                    //FIXME: Android 9
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+                        it.inputStream().use { input ->
+                            externalStorageDir.resolve(it.name).outputStream().use { output ->
+                                input.copyTo(output)
+                            }
+                        }
+                    } else {
                         val contentDetails = ContentValues().apply {
                             put(MediaStore.Downloads.DISPLAY_NAME, it.name)
                             put(MediaStore.Downloads.RELATIVE_PATH, download)
diff --git a/manager/src/main/java/org/lsposed/lspatch/ui/page/NewPatchPage.kt b/manager/src/main/java/org/lsposed/lspatch/ui/page/NewPatchPage.kt
index 3716f5e..ebdb44e 100644
--- a/manager/src/main/java/org/lsposed/lspatch/ui/page/NewPatchPage.kt
+++ b/manager/src/main/java/org/lsposed/lspatch/ui/page/NewPatchPage.kt
@@ -1,5 +1,6 @@
 package org.lsposed.lspatch.ui.page
 
+import android.os.Build
 import android.util.Log
 import androidx.compose.animation.animateContentSize
 import androidx.compose.animation.core.Spring
@@ -30,6 +31,9 @@ import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewmodel.compose.viewModel
+import com.google.accompanist.permissions.ExperimentalPermissionsApi
+import com.google.accompanist.permissions.PermissionStatus
+import com.google.accompanist.permissions.rememberPermissionState
 import org.lsposed.lspatch.Patcher
 import org.lsposed.lspatch.R
 import org.lsposed.lspatch.TAG
@@ -66,6 +70,7 @@ fun NewPatchFab() {
     }
 }
 
+@OptIn(ExperimentalPermissionsApi::class)
 @Composable
 fun NewPatchPage() {
     val viewModel = viewModel<NewPatchPageViewModel>()
@@ -73,6 +78,28 @@ fun NewPatchPage() {
     val patchApp by navController.currentBackStackEntry!!.observeState<AppInfo>("appInfo")
     if (viewModel.patchState == PatchState.SELECTING && patchApp != null) viewModel.patchState = PatchState.CONFIGURING
 
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+        val filePermissionState = rememberPermissionState(android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
+        if (filePermissionState.status is PermissionStatus.Denied) {
+            AlertDialog(
+                onDismissRequest = {},
+                confirmButton = {
+                    TextButton(onClick = { filePermissionState.launchPermissionRequest() }) {
+                        Text(stringResource(android.R.string.ok))
+                    }
+                },
+                dismissButton = {
+                    TextButton(onClick = { navController.popBackStack() }) {
+                        Text(stringResource(android.R.string.cancel))
+                    }
+                },
+                title = { Text(stringResource(R.string.patch_permission_title)) },
+                text = { Text(stringResource(R.string.patch_permission_text)) }
+            )
+            return
+        }
+    }
+
     Log.d(TAG, "NewPatchPage: ${viewModel.patchState}")
     when (viewModel.patchState) {
         PatchState.SELECTING -> navController.navigate(PageList.SelectApps.name + "/false")
diff --git a/manager/src/main/res/values/strings.xml b/manager/src/main/res/values/strings.xml
index 2e07c69..e72c798 100644
--- a/manager/src/main/res/values/strings.xml
+++ b/manager/src/main/res/values/strings.xml
@@ -10,6 +10,8 @@
 
     <!-- New Patch Page -->
     <string name="page_new_patch">New Patch</string>
+    <string name="patch_permission_title">Permission</string>
+    <string name="patch_permission_text">Please grant Write External Storage permission to allow saving patched apks to Download directory</string>
     <string name="patch_mode">Patch Mode</string>
     <string name="patch_local">Local</string>
     <string name="patch_local_desc">Patch an app without modules embedded.\nThe patched app need the manager running in background, and Xposed scope can be changed dynamically without re-patch.\nLocal patched apps can only run on the local device.</string>