diff --git a/app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostFragment.kt b/app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostFragment.kt
index 3efa14f21..271d50af8 100644
--- a/app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostFragment.kt
+++ b/app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostFragment.kt
@@ -75,7 +75,7 @@ class ZimHostFragment : BaseFragment(), ZimHostCallbacks, ZimHostContract.View {
   private lateinit var bookDelegate: BookOnDiskDelegate.BookDelegate
   private var hotspotService: HotspotService? = null
   private var ip: String? = null
-  private var serviceConnection: ServiceConnection? = null
+  private lateinit var serviceConnection: ServiceConnection
   private var progressDialog: ProgressDialog? = null
 
   private val selectedBooksPath: ArrayList<String>
diff --git a/buildSrc/src/main/kotlin/Config.kt b/buildSrc/src/main/kotlin/Config.kt
index a36c902ec..c4e615619 100644
--- a/buildSrc/src/main/kotlin/Config.kt
+++ b/buildSrc/src/main/kotlin/Config.kt
@@ -19,8 +19,8 @@
 import org.gradle.api.JavaVersion
 
 object Config {
-  const val compileSdk = 28
+  const val compileSdk = 29
   const val minSdk = 21
-  const val targetSdk = 28
+  const val targetSdk = 29
   val javaVersion = JavaVersion.VERSION_1_8
 }
diff --git a/core/src/main/AndroidManifest.xml b/core/src/main/AndroidManifest.xml
index 58733c5ef..da773d305 100644
--- a/core/src/main/AndroidManifest.xml
+++ b/core/src/main/AndroidManifest.xml
@@ -18,12 +18,12 @@
     android:extractNativeLibs="false"
     android:fullBackupContent="@xml/backup_rules"
     android:hardwareAccelerated="true"
-    android:label="@string/app_name"
     android:resizeableActivity="true"
     android:supportsRtl="true"
     android:theme="@style/KiwixTheme"
     android:usesCleartextTraffic="true"
-    tools:targetApi="n">
+    android:requestLegacyExternalStorage="true"
+    tools:targetApi="q">
 
     <!-- Version < 3.0. DeX Mode and Screen Mirroring support -->
     <meta-data
diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/main/FileReader.kt b/core/src/main/java/org/kiwix/kiwixmobile/core/main/FileReader.kt
index da66d2f5e..a472fdb3a 100644
--- a/core/src/main/java/org/kiwix/kiwixmobile/core/main/FileReader.kt
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/main/FileReader.kt
@@ -22,7 +22,7 @@ import java.io.BufferedReader
 import java.io.IOException
 
 class FileReader {
-  fun readFile(filePath: String?, context: Context): String = try {
+  fun readFile(filePath: String, context: Context): String = try {
     context.assets.open(filePath)
       .bufferedReader()
       .use(BufferedReader::readText)