diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/App.kt b/mobile/src/main/java/be/mygod/vpnhotspot/App.kt
index 5685ce33..fa48f740 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/App.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/App.kt
@@ -5,6 +5,7 @@ import android.app.Application
 import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.content.SharedPreferences
+import android.content.res.Configuration
 import android.os.Build
 import android.preference.PreferenceManager
 
@@ -16,10 +17,19 @@ class App : Application() {
     override fun onCreate() {
         super.onCreate()
         app = this
+        updateNotificationChannels()
+    }
+
+    override fun onConfigurationChanged(newConfig: Configuration?) {
+        super.onConfigurationChanged(newConfig)
+        updateNotificationChannels()
+    }
+
+    private fun updateNotificationChannels() {
         if (Build.VERSION.SDK_INT >= 26) @TargetApi(26) {
             val nm = getSystemService(NotificationManager::class.java)
             nm.createNotificationChannel(NotificationChannel(RepeaterService.CHANNEL,
-                    "Repeater Service", NotificationManager.IMPORTANCE_LOW))
+                    getText(R.string.notification_channel_repeater), NotificationManager.IMPORTANCE_LOW))
             nm.deleteNotificationChannel("hotspot") // remove old service channel
         }
     }
diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterFragment.kt b/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterFragment.kt
index df96bf54..6aa74f87 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterFragment.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterFragment.kt
@@ -48,7 +48,7 @@ class RepeaterFragment : Fragment(), ServiceConnection, Toolbar.OnMenuItemClickL
                 }
             }
 
-        val ssid @Bindable get() = binder?.service?.ssid ?: "Service inactive"
+        val ssid @Bindable get() = binder?.service?.ssid ?: getText(R.string.repeater_inactive)
         val password @Bindable get() = binder?.service?.password ?: ""
 
         fun onStatusChanged() {
@@ -151,12 +151,12 @@ class RepeaterFragment : Fragment(), ServiceConnection, Toolbar.OnMenuItemClickL
     override fun onMenuItemClick(item: MenuItem) = when (item.itemId) {
         R.id.wps -> if (binder?.active == true) {
             val dialog = AlertDialog.Builder(context!!)
-                    .setTitle("Enter PIN")
+                    .setTitle(R.string.repeater_wps_dialog_title)
                     .setView(R.layout.dialog_wps)
                     .setPositiveButton(android.R.string.ok, { dialog, _ -> binder?.startWps((dialog as AppCompatDialog)
                             .findViewById<EditText>(android.R.id.edit)!!.text.toString()) })
                     .setNegativeButton(android.R.string.cancel, null)
-                    .setNeutralButton("Push Button", { _, _ -> binder?.startWps(null) })
+                    .setNeutralButton(R.string.repeater_wps_dialog_pbc, { _, _ -> binder?.startWps(null) })
                     .create()
             dialog.window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE)
             dialog.show()
@@ -164,9 +164,10 @@ class RepeaterFragment : Fragment(), ServiceConnection, Toolbar.OnMenuItemClickL
         } else false
         R.id.resetGroup -> {
             AlertDialog.Builder(context!!)
-                    .setTitle("Reset credentials")
-                    .setMessage("Android system will generate new network name and password next time repeater is activated. This is irreversible.")
-                    .setPositiveButton("Reset", { _, _ -> binder?.resetCredentials() })
+                    .setTitle(R.string.repeater_reset_credentials)
+                    .setMessage(getString(R.string.repeater_reset_credentials_dialog_message))
+                    .setPositiveButton(R.string.repeater_reset_credentials_dialog_reset,
+                            { _, _ -> binder?.resetCredentials() })
                     .setNegativeButton(android.R.string.cancel, null)
                     .show()
             true
diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterService.kt b/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterService.kt
index 7a3cf890..25739944 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterService.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterService.kt
@@ -12,6 +12,7 @@ import android.net.wifi.p2p.WifiP2pManager
 import android.os.Binder
 import android.os.Handler
 import android.os.Looper
+import android.support.annotation.StringRes
 import android.support.v4.app.NotificationCompat
 import android.support.v4.content.ContextCompat
 import android.support.v4.content.LocalBroadcastManager
@@ -92,10 +93,10 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
             }
             p2pManager.startWps(channel, wps, object : WifiP2pManager.ActionListener {
                 override fun onSuccess() = Toast.makeText(this@RepeaterService,
-                        if (pin == null) "Please use WPS push button within the next 2 minutes to connect your device."
-                        else "PIN registered.", Toast.LENGTH_SHORT).show()
+                        if (pin == null) R.string.repeater_wps_success_pbc else R.string.repeater_wps_success_keypad,
+                        Toast.LENGTH_SHORT).show()
                 override fun onFailure(reason: Int) = Toast.makeText(this@RepeaterService,
-                        "Failed to start WPS (reason: ${formatReason(reason)})", Toast.LENGTH_SHORT).show()
+                        formatReason(R.string.repeater_wps_failure, reason), Toast.LENGTH_SHORT).show()
             })
         }
 
@@ -108,9 +109,9 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
             if (netId == TEMPORARY_NET_ID) return
             p2pManager.deletePersistentGroup(channel, netId, object : WifiP2pManager.ActionListener {
                 override fun onSuccess() = Toast.makeText(this@RepeaterService,
-                        "Credentials reset.", Toast.LENGTH_SHORT).show()
+                        R.string.repeater_reset_credentials_success, Toast.LENGTH_SHORT).show()
                 override fun onFailure(reason: Int) = Toast.makeText(this@RepeaterService,
-                        "Failed to reset credentials (reason: ${formatReason(reason)})", Toast.LENGTH_SHORT).show()
+                        formatReason(R.string.repeater_reset_credentials_failure, reason), Toast.LENGTH_SHORT).show()
             })
         }
     }
@@ -141,7 +142,7 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
             }
         }
     }
-    private val onVpnUnavailable = Runnable { startFailure("VPN unavailable") }
+    private val onVpnUnavailable = Runnable { startFailure(getString(R.string.repeater_vpn_unavailable)) }
 
     val ssid get() = if (status == Status.ACTIVE) group?.networkName else null
     val password get() = if (status == Status.ACTIVE) group?.passphrase else null
@@ -157,13 +158,13 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
             LocalBroadcastManager.getInstance(this).sendBroadcast(Intent(ACTION_STATUS_CHANGED))
         }
 
-    private fun formatReason(reason: Int) = when (reason) {
-        WifiP2pManager.ERROR -> "ERROR"
-        WifiP2pManager.P2P_UNSUPPORTED -> "P2P_UNSUPPORTED"
-        WifiP2pManager.BUSY -> "BUSY"
-        WifiP2pManager.NO_SERVICE_REQUESTS -> "NO_SERVICE_REQUESTS"
-        else -> "unknown reason: $reason"
-    }
+    private fun formatReason(@StringRes resId: Int, reason: Int) = getString(resId, when (reason) {
+        WifiP2pManager.ERROR -> getString(R.string.repeater_failure_reason_error)
+        WifiP2pManager.P2P_UNSUPPORTED -> getString(R.string.repeater_failure_reason_p2p_unsupported)
+        WifiP2pManager.BUSY -> getString(R.string.repeater_failure_reason_busy)
+        WifiP2pManager.NO_SERVICE_REQUESTS -> getString(R.string.repeater_failure_reason_no_service_requests)
+        else -> getString(R.string.repeater_failure_reason_unknown, reason)
+    })
 
     override fun onBind(intent: Intent) = binder
 
@@ -196,7 +197,7 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
             Status.STARTING -> {
                 val matcher = patternNetworkInfo.matcher(loggerSu("dumpsys ${Context.WIFI_P2P_SERVICE}") ?: "")
                 when {
-                    !matcher.find() -> startFailure("Root unavailable")
+                    !matcher.find() -> startFailure(getString(R.string.repeater_root_unavailable))
                     matcher.group(2) == "true" -> {
                         unregisterReceiver()
                         registerReceiver(receiver, intentFilter(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION,
@@ -213,7 +214,7 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
                                         override fun onSuccess() = doStart()
                                         override fun onFailure(reason: Int) {
                                             Toast.makeText(this@RepeaterService,
-                                                    "Failed to remove old P2P group (${formatReason(reason)})",
+                                                    formatReason(R.string.repeater_remove_old_group_failure, reason),
                                                     Toast.LENGTH_SHORT).show()
                                         }
                                     })
@@ -221,7 +222,7 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
                             }
                         })
                     }
-                    else -> startFailure("Wi-Fi direct unavailable")
+                    else -> startFailure(getString(R.string.repeater_p2p_unavailable))
                 }
             }
             Status.ACTIVE -> {
@@ -240,7 +241,7 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
     }
 
     private fun doStart() = p2pManager.createGroup(channel, object : WifiP2pManager.ActionListener {
-        override fun onFailure(reason: Int) = startFailure("Failed to create P2P group (${formatReason(reason)})")
+        override fun onFailure(reason: Int) = startFailure(formatReason(R.string.repeater_create_group_failure, reason))
         override fun onSuccess() { }    // wait for WIFI_P2P_CONNECTION_CHANGED_ACTION to fire
     })
     private fun doStart(group: WifiP2pGroup) {
@@ -260,7 +261,7 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
         this.group = group
         binder.data?.onGroupChanged()
         showNotification(group)
-        Log.d(TAG, "P2P connection changed: $info\n$net\n$group")
+        debugLog(TAG, "P2P connection changed: $info\n$net\n$group")
     }
     private fun onGroupCreated(info: WifiP2pInfo, group: WifiP2pGroup) {
         val owner = info.groupOwnerAddress
@@ -293,7 +294,7 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
         val builder = NotificationCompat.Builder(this, CHANNEL)
                 .setWhen(0)
                 .setColor(ContextCompat.getColor(this, R.color.colorPrimary))
-                .setContentTitle(group?.networkName ?: ssid ?: "Connecting...")
+                .setContentTitle(group?.networkName ?: ssid ?: getString(R.string.repeater_connecting))
                 .setSmallIcon(R.drawable.ic_device_wifi_tethering)
                 .setContentIntent(PendingIntent.getActivity(this, 0,
                         Intent(this, MainActivity::class.java), PendingIntent.FLAG_UPDATE_CURRENT))
@@ -307,8 +308,8 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
             override fun onSuccess() = clean()
             override fun onFailure(reason: Int) {
                 if (reason == WifiP2pManager.BUSY) clean() else {   // assuming it's already gone
-                    Toast.makeText(this@RepeaterService, "Failed to remove P2P group (${formatReason(reason)})",
-                            Toast.LENGTH_SHORT).show()
+                    Toast.makeText(this@RepeaterService,
+                            formatReason(R.string.repeater_remove_group_failure, reason), Toast.LENGTH_SHORT).show()
                     status = Status.ACTIVE
                     LocalBroadcastManager.getInstance(this@RepeaterService).sendBroadcast(Intent(ACTION_STATUS_CHANGED))
                 }
diff --git a/mobile/src/main/res/layout/fragment_repeater.xml b/mobile/src/main/res/layout/fragment_repeater.xml
index b99394ce..209f0ee4 100644
--- a/mobile/src/main/res/layout/fragment_repeater.xml
+++ b/mobile/src/main/res/layout/fragment_repeater.xml
@@ -42,7 +42,7 @@
             <TextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Network name"
+                android:text="@string/repeater_ssid"
                 android:textAppearance="@style/TextAppearance.AppCompat.Subhead"/>
 
             <Space
@@ -65,7 +65,7 @@
                 android:layout_height="wrap_content"
                 android:layout_column="0"
                 android:layout_row="1"
-                android:text="Password"
+                android:text="@string/repeater_password"
                 android:textAppearance="@style/TextAppearance.AppCompat.Subhead"/>
 
             <TextView
@@ -83,7 +83,7 @@
             android:layout_height="wrap_content"
             android:paddingStart="16dp"
             android:paddingEnd="16dp"
-            android:text="Connected devices"
+            android:text="@string/repeater_connected_devices"
             android:textAppearance="@style/TextAppearance.AppCompat.Medium"/>
 
         <View
diff --git a/mobile/src/main/res/menu/navigation.xml b/mobile/src/main/res/menu/navigation.xml
index 3661cfdd..b5ffddd6 100644
--- a/mobile/src/main/res/menu/navigation.xml
+++ b/mobile/src/main/res/menu/navigation.xml
@@ -4,12 +4,12 @@
     <item
         android:id="@+id/navigation_repeater"
         android:icon="@drawable/ic_device_network_wifi"
-        android:title="Repeater"/>
+        android:title="@string/title_repeater"/>
 
     <item
         android:id="@+id/navigation_tethering"
         android:icon="@drawable/ic_device_wifi_tethering"
-        android:title="Tethering"/>
+        android:title="@string/title_tethering"/>
 
     <item
         android:id="@+id/navigation_settings"
diff --git a/mobile/src/main/res/menu/repeater.xml b/mobile/src/main/res/menu/repeater.xml
index 55dc809d..30566af3 100644
--- a/mobile/src/main/res/menu/repeater.xml
+++ b/mobile/src/main/res/menu/repeater.xml
@@ -3,8 +3,8 @@
 
     <item
         android:id="@+id/wps"
-        android:title="WPS"/>
+        android:title="@string/repeater_wps"/>
     <item
         android:id="@+id/resetGroup"
-        android:title="Reset credentials"/>
+        android:title="@string/repeater_reset_credentials"/>
 </menu>
\ No newline at end of file
diff --git a/mobile/src/main/res/values/strings.xml b/mobile/src/main/res/values/strings.xml
index f794def8..c1a16977 100644
--- a/mobile/src/main/res/values/strings.xml
+++ b/mobile/src/main/res/values/strings.xml
@@ -1,12 +1,62 @@
 <resources>
     <string name="app_name">VPN Hotspot</string>
+    <string name="title_repeater">Repeater</string>
+    <string name="title_tethering">Tethering</string>
     <string name="title_settings">Settings</string>
+
+    <string name="repeater_ssid">Network name</string>
+    <string name="repeater_password">Password</string>
+    <string name="repeater_connected_devices">Connected devices</string>
+    <string name="repeater_wps">WPS</string>
+    <string name="repeater_wps_dialog_title">Enter PIN</string>
+    <string name="repeater_wps_dialog_pbc">Push Button</string>
+    <string name="repeater_wps_success_pbc">Please use WPS push button within the next 2 minutes to connect your
+        device.</string>
+    <string name="repeater_wps_success_keypad">PIN registered.</string>
+    <string name="repeater_wps_failure">Failed to start WPS (reason: %s)</string>
+    <string name="repeater_reset_credentials">Reset credentials</string>
+    <string name="repeater_reset_credentials_dialog_message">Android system will generate new network name and password
+        next time repeater is activated. This is irreversible.</string>
+    <string name="repeater_reset_credentials_dialog_reset">Reset</string>
+    <string name="repeater_reset_credentials_success">Credentials reset.</string>
+    <string name="repeater_reset_credentials_failure">Failed to reset credentials (reason: %s)</string>
+
+    <string name="repeater_inactive">Service inactive</string>
+    <string name="repeater_connecting">Connecting…</string>
+    <string name="repeater_vpn_unavailable">VPN unavailable, please enable any VPN</string>
+    <string name="repeater_root_unavailable">Root unavailable</string>
+    <string name="repeater_p2p_unavailable">Wi-Fi direct unavailable</string>
+    <string name="repeater_create_group_failure">Failed to create P2P group (reason: %s)</string>
+    <string name="repeater_remove_group_failure">Failed to remove P2P group (reason: %s)</string>
+    <string name="repeater_remove_old_group_failure">Failed to remove old P2P group (reason: %s)</string>
+
+    <string name="repeater_failure_reason_error">internal error</string>
+    <string name="repeater_failure_reason_p2p_unsupported">Wi-Fi direct unsupported</string>
+    <string name="repeater_failure_reason_busy">framework is busy</string>
+    <string name="repeater_failure_reason_no_service_requests">no service requests added</string>
+    <string name="repeater_failure_reason_unknown">unknown reason #%d</string>
+
+    <string name="tethering_no_interfaces"><![CDATA[To use this feature, turn on any <a href=&quot;#&quot;>system
+        tethering</a> first.]]></string>
+
+    <string name="settings_service">Service</string>
+    <string name="settings_service_dns">Downstream DNS server:port</string>
+    <string name="settings_service_clean">Clean routing rules</string>
+    <string name="settings_service_clean_summary">Only use after having shut down everything</string>
+    <string name="settings_misc">Misc</string>
+    <string name="settings_misc_logcat">Export logcat</string>
+    <string name="settings_misc_logcat_summary">Such useful very wow</string>
+    <string name="settings_misc_source">View on GitHub</string>
+    <string name="settings_misc_source_summary">Star, submit issues and contribute</string>
+    <string name="settings_misc_donate">Donate</string>
+    <string name="settings_misc_donate_summary">I love money</string>
+
+    <string name="notification_channel_repeater">Repeater Service</string>
     <plurals name="notification_connected_devices">
         <item quantity="one">1 connected device</item>
         <item quantity="other">%d connected devices</item>
     </plurals>
+
     <string name="exception_interface_not_found">Fatal: Downstream interface not found</string>
-    <string name="tethering_no_interfaces"><![CDATA[To use this feature, turn on any <a href=&quot;#&quot;>system
-        tethering</a> first.]]></string>
     <string name="noisy_su_failure">Something went wrong, please check logcat.</string>
 </resources>
diff --git a/mobile/src/main/res/xml/pref_settings.xml b/mobile/src/main/res/xml/pref_settings.xml
index 2d75b1de..ee9e4ca4 100644
--- a/mobile/src/main/res/xml/pref_settings.xml
+++ b/mobile/src/main/res/xml/pref_settings.xml
@@ -1,30 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
     <PreferenceCategory
-        android:title="Service">
+        android:title="@string/settings_service">
         <AutoSummaryEditTextPreference
             android:key="service.dns"
-            android:title="Downstream DNS server:port"
+            android:title="@string/settings_service_dns"
             android:summary="%s"
             android:defaultValue="8.8.8.8:53"/>
         <Preference
             android:key="service.clean"
-            android:title="Clean routing rules"
-            android:summary="Only use after having shut down everything"/>
+            android:title="@string/settings_service_clean"
+            android:summary="@string/settings_service_clean_summary"/>
     </PreferenceCategory>
     <PreferenceCategory
-        android:title="Misc">
+        android:title="@string/settings_misc">
         <Preference
             android:key="misc.logcat"
-            android:title="Export logcat"
-            android:summary="Such useful very wow"/>
+            android:title="@string/settings_misc_logcat"
+            android:summary="@string/settings_misc_logcat_summary"/>
         <Preference
             android:key="misc.source"
-            android:title="View on GitHub"
-            android:summary="Star, submit issues and contribute"/>
+            android:title="@string/settings_misc_source"
+            android:summary="@string/settings_misc_source_summary"/>
         <Preference
             android:key="misc.donate"
-            android:title="Donate"
-            android:summary="I love money"/>
+            android:title="@string/settings_misc_donate"
+            android:summary="@string/settings_misc_donate_summary"/>
     </PreferenceCategory>
 </PreferenceScreen>