diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/TetheringFragment.kt b/mobile/src/main/java/be/mygod/vpnhotspot/TetheringFragment.kt
index 08d9b4db..5f31a825 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/TetheringFragment.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/TetheringFragment.kt
@@ -104,7 +104,7 @@ class TetheringFragment : Fragment(), ServiceConnection {
                 VIEW_TYPE_WIFI -> R.string.tethering_manage_wifi
                 VIEW_TYPE_WIFI_LEGACY -> R.string.tethering_manage_wifi_legacy
                 VIEW_TYPE_BLUETOOTH -> R.string.tethering_manage_bluetooth
-                else -> throw IllegalStateException()
+                else -> throw IllegalStateException("Unexpected view type")
             })
             binding.tetherListener = tetherListener
             binding.type = tetherType
@@ -155,7 +155,7 @@ class TetheringFragment : Fragment(), ServiceConnection {
         override fun onTetheringStarted() = tetherListener.notifyPropertyChanged(BR.enabledTypes)
         override fun onTetheringFailed() {
             app.handler.post {
-                Toast.makeText(requireContext(), "Android system has failed to start tethering.", Toast.LENGTH_SHORT).show()
+                Toast.makeText(requireContext(), R.string.tethering_manage_failed, Toast.LENGTH_SHORT).show()
             }
         }
     }
diff --git a/mobile/src/main/res/values-zh-rCN/strings.xml b/mobile/src/main/res/values-zh-rCN/strings.xml
index 56c2175a..84a9d7fc 100644
--- a/mobile/src/main/res/values-zh-rCN/strings.xml
+++ b/mobile/src/main/res/values-zh-rCN/strings.xml
@@ -45,6 +45,7 @@
     <string name="tethering_manage_wifi">WLAN 热点</string>
     <string name="tethering_manage_wifi_legacy">WLAN 热点 (旧 API)</string>
     <string name="tethering_manage_bluetooth">蓝牙网络共享</string>
+    <string name="tethering_manage_failed">Android 系统无法打开网络共享。</string>
 
     <string name="connected_devices">已连接设备</string>
     <string name="connected_state_incomplete">%s (正在连接)</string>
diff --git a/mobile/src/main/res/values/strings.xml b/mobile/src/main/res/values/strings.xml
index cf9dfc0c..7b139b4a 100644
--- a/mobile/src/main/res/values/strings.xml
+++ b/mobile/src/main/res/values/strings.xml
@@ -47,6 +47,7 @@
     <string name="tethering_manage_wifi">Wi\u2011Fi hotspot</string>
     <string name="tethering_manage_wifi_legacy">Wi\u2011Fi hotspot (legacy)</string>
     <string name="tethering_manage_bluetooth">Bluetooth tethering</string>
+    <string name="tethering_manage_failed">Android system has failed to start tethering.</string>
 
     <string name="connected_devices">Connected devices</string>
     <string name="connected_state_incomplete">%s (connecting)</string>