diff --git a/app/build.gradle b/app/build.gradle
index 5afadfa30..1fbdf2431 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -43,8 +43,8 @@ android {
         applicationId "com.geeksville.mesh"
         minSdkVersion 21 // The oldest emulator image I have tried is 22 (though 21 probably works)
         targetSdkVersion 30 // 30 can't work until an explicit location permissions dialog is added
-        versionCode 20256 // format is Mmmss (where M is 1+the numeric major number
-        versionName "1.2.56"
+        versionCode 20257 // format is Mmmss (where M is 1+the numeric major number
+        versionName "1.2.57"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         // per https://developer.android.com/studio/write/vector-asset-studio
@@ -127,7 +127,7 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'androidx.appcompat:appcompat:1.4.1'
     implementation 'androidx.core:core-ktx:1.7.0'
-    implementation 'androidx.fragment:fragment-ktx:1.4.0'
+    implementation 'androidx.fragment:fragment-ktx:1.4.1'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
@@ -177,7 +177,7 @@ dependencies {
     implementation 'com.google.android.gms:play-services-location:19.0.1'
 
     // For Google Sign-In (owner name accesss)
-    implementation 'com.google.android.gms:play-services-auth:20.0.1'
+    implementation 'com.google.android.gms:play-services-auth:20.1.0'
 
     // Add the Firebase SDK for Crashlytics.
     implementation 'com.google.firebase:firebase-crashlytics:18.2.6'
@@ -191,6 +191,7 @@ dependencies {
     // barcode support
     // per https://github.com/journeyapps/zxing-android-embedded#older-sdk-versions for minSdkVersion 21
     implementation('com.journeyapps:zxing-android-embedded:4.3.0') { transitive = false }
+    //noinspection GradleDependency
     implementation 'com.google.zxing:core:3.3.0' // <-- don't update
 
     def work_version = '2.7.1'
diff --git a/app/src/main/java/com/geeksville/mesh/MainActivity.kt b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
index 4fcf73e23..34a36b807 100644
--- a/app/src/main/java/com/geeksville/mesh/MainActivity.kt
+++ b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
@@ -4,11 +4,7 @@ import android.Manifest
 import android.annotation.SuppressLint
 import android.app.Activity
 import android.bluetooth.BluetoothAdapter
-import android.bluetooth.BluetoothDevice
 import android.bluetooth.BluetoothManager
-import android.companion.AssociationRequest
-import android.companion.BluetoothDeviceFilter
-import android.companion.CompanionDeviceManager
 import android.content.*
 import android.content.pm.PackageInfo
 import android.content.pm.PackageManager
@@ -27,7 +23,6 @@ import android.view.View
 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.viewModels
-import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.appcompat.widget.Toolbar
@@ -70,8 +65,6 @@ import kotlinx.coroutines.cancel
 import java.nio.charset.Charset
 import java.text.DateFormat
 import java.util.*
-import java.util.regex.Pattern
-
 
 /*
 UI design
@@ -198,48 +191,6 @@ class MainActivity : AppCompatActivity(), Logging,
         updateBluetoothEnabled()
     }
 
-    fun startCompanionScan() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            val deviceManager: CompanionDeviceManager by lazy {
-                getSystemService(Context.COMPANION_DEVICE_SERVICE) as CompanionDeviceManager
-            }
-
-            // To skip filtering based on name and supported feature flags (UUIDs),
-            // don't include calls to setNamePattern() and addServiceUuid(),
-            // respectively. This example uses Bluetooth.
-            // We only look for Mesh (rather than the full name) because NRF52 uses a very short name
-            val deviceFilter: BluetoothDeviceFilter = BluetoothDeviceFilter.Builder()
-                .setNamePattern(Pattern.compile("Mesh.*"))
-                // .addServiceUuid(ParcelUuid(RadioInterfaceService.BTM_SERVICE_UUID), null)
-                .build()
-
-            // The argument provided in setSingleDevice() determines whether a single
-            // device name or a list of device names is presented to the user as
-            // pairing options.
-            val pairingRequest: AssociationRequest = AssociationRequest.Builder()
-                .addDeviceFilter(deviceFilter)
-                .setSingleDevice(false)
-                .build()
-
-            // When the app tries to pair with the Bluetooth device, show the
-            // appropriate pairing request dialog to the user.
-            deviceManager.associate(pairingRequest,
-                object : CompanionDeviceManager.Callback() {
-                    override fun onDeviceFound(chooserLauncher: IntentSender) {
-                        startIntentSenderForResult(chooserLauncher,
-                            SELECT_DEVICE_REQUEST_CODE, null, 0, 0, 0)
-                    }
-
-                    override fun onFailure(error: CharSequence?) {
-                        warn("BLE selection service failed $error")
-                        // changeDeviceSelection(mainActivity, null) // deselect any device
-                    }
-                }, null
-            )
-        }
-        else warn("startCompanionScan should not run on SDK < 26")
-    }
-
     /**
      * Don't tell our app we have bluetooth until we have bluetooth _and_ location access
      */
@@ -502,8 +453,6 @@ class MainActivity : AppCompatActivity(), Logging,
 
         /*  not yet working
         // Configure sign-in to request the user's ID, email address, and basic
-// profile. ID and basic profile are included in DEFAULT_SIGN_IN.
-        // Configure sign-in to request the user's ID, email address, and basic
 // profile. ID and basic profile are included in DEFAULT_SIGN_IN.
         val gso =
             GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
@@ -629,7 +578,6 @@ class MainActivity : AppCompatActivity(), Logging,
     /**
      * Dispatch incoming result to the correct fragment.
      */
-    @SuppressLint("InlinedApi", "MissingPermission")
     override fun onActivityResult(
         requestCode: Int,
         resultCode: Int,
@@ -637,7 +585,6 @@ class MainActivity : AppCompatActivity(), Logging,
     ) {
         super.onActivityResult(requestCode, resultCode, data)
 
-        // Result returned from launching the Intent from GoogleSignInClient.getSignInIntent(...);
         // Result returned from launching the Intent from GoogleSignInClient.getSignInIntent(...);
         when (requestCode) {
             RC_SIGN_IN -> {
@@ -647,19 +594,6 @@ class MainActivity : AppCompatActivity(), Logging,
                     GoogleSignIn.getSignedInAccountFromIntent(data)
                 handleSignInResult(task)
             }
-            (SELECT_DEVICE_REQUEST_CODE) -> when (resultCode) {
-                Activity.RESULT_OK -> {
-                    val deviceToPair: BluetoothDevice =
-                        data?.getParcelableExtra(CompanionDeviceManager.EXTRA_DEVICE)!!
-                    if (deviceToPair.bondState != BluetoothDevice.BOND_BONDED) {
-                        deviceToPair.createBond()
-                    }
-                    model.meshService?.let { service ->
-                        MeshService.changeDeviceAddress(this@MainActivity, service, "x${deviceToPair.address}")
-                    }
-                }
-                else -> warn("BLE device select intent failed")
-            }
             CREATE_CSV_FILE -> {
                 if (resultCode == Activity.RESULT_OK) {
                     data?.data?.let { file_uri -> model.saveMessagesCSV(file_uri) }
@@ -1161,7 +1095,7 @@ class MainActivity : AppCompatActivity(), Logging,
                 val intent = Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
                     addCategory(Intent.CATEGORY_OPENABLE)
                     type = "application/csv"
-                    putExtra(Intent.EXTRA_TITLE, "messages.csv")
+                    putExtra(Intent.EXTRA_TITLE, "rangetest.csv")
                 }
                 startActivityForResult(intent, CREATE_CSV_FILE)
                 return true
@@ -1189,7 +1123,7 @@ class MainActivity : AppCompatActivity(), Logging,
     private fun chooseThemeDialog() {
 
         /// Prepare dialog and its items
-        val builder = AlertDialog.Builder(this)
+        val builder = MaterialAlertDialogBuilder(this)
         builder.setTitle(getString(R.string.choose_theme_title))
 
         val styles = arrayOf(
diff --git a/app/src/main/java/com/geeksville/mesh/service/BluetoothInterface.kt b/app/src/main/java/com/geeksville/mesh/service/BluetoothInterface.kt
index 50c860f71..1eba742a1 100644
--- a/app/src/main/java/com/geeksville/mesh/service/BluetoothInterface.kt
+++ b/app/src/main/java/com/geeksville/mesh/service/BluetoothInterface.kt
@@ -113,7 +113,9 @@ class BluetoothInterface(val service: RadioInterfaceService, val address: String
         @SuppressLint("NewApi", "MissingPermission")
         override fun addressValid(context: Context, rest: String): Boolean {
             val allPaired = if (hasCompanionDeviceApi(context)) {
-                val deviceManager = context.getSystemService(CompanionDeviceManager::class.java)
+                val deviceManager: CompanionDeviceManager by lazy {
+                    context.getSystemService(Context.COMPANION_DEVICE_SERVICE) as CompanionDeviceManager
+                }
                 deviceManager.associations.map { it }.toSet()
             } else {
                 getBluetoothAdapter(context)?.bondedDevices.orEmpty()
diff --git a/app/src/main/java/com/geeksville/mesh/service/RadioInterfaceService.kt b/app/src/main/java/com/geeksville/mesh/service/RadioInterfaceService.kt
index c5f1deabc..ee8d00e0f 100644
--- a/app/src/main/java/com/geeksville/mesh/service/RadioInterfaceService.kt
+++ b/app/src/main/java/com/geeksville/mesh/service/RadioInterfaceService.kt
@@ -269,7 +269,7 @@ class RadioInterfaceService : Service(), Logging {
     @SuppressLint("NewApi")
     private fun setBondedDeviceAddress(address: String?): Boolean {
         return if (getBondedDeviceAddress(this) == address && isStarted) {
-            warn("Ignoring setBondedDevice $address, because we are already using that device")
+            warn("Ignoring setBondedDevice ${address.anonymize}, because we are already using that device")
             false
         } else {
             // Record that this use has configured a new radio
diff --git a/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt b/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
index 254f1948d..27dfa8148 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
@@ -158,7 +158,7 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
                 requireActivity().startActivity(shareIntent)
             } catch (ex: ActivityNotFoundException) {
                 Snackbar.make(
-                    binding.shareButton,
+                    requireView(),
                     R.string.no_app_found,
                     Snackbar.LENGTH_SHORT
                 ).show()
@@ -181,7 +181,7 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
 
             // Tell the user to try again
             Snackbar.make(
-                binding.editableCheckbox,
+                requireView(),
                 R.string.radio_sleeping,
                 Snackbar.LENGTH_SHORT
             ).show()
diff --git a/app/src/main/java/com/geeksville/mesh/ui/SettingsFragment.kt b/app/src/main/java/com/geeksville/mesh/ui/SettingsFragment.kt
index 93aa9c10f..fd2d82bc8 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/SettingsFragment.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/SettingsFragment.kt
@@ -1,28 +1,26 @@
 package com.geeksville.mesh.ui
 
 import android.annotation.SuppressLint
+import android.app.Activity
 import android.app.Application
 import android.app.PendingIntent
 import android.bluetooth.BluetoothDevice
 import android.bluetooth.BluetoothDevice.BOND_BONDED
 import android.bluetooth.BluetoothDevice.BOND_BONDING
 import android.bluetooth.le.*
+import android.companion.AssociationRequest
+import android.companion.BluetoothDeviceFilter
+import android.companion.CompanionDeviceManager
 import android.content.*
 import android.content.pm.PackageManager
 import android.hardware.usb.UsbDevice
 import android.hardware.usb.UsbManager
-import android.os.Bundle
-import android.os.Handler
-import android.os.Looper
-import android.os.RemoteException
+import android.os.*
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
-import android.widget.AdapterView
-import android.widget.ArrayAdapter
-import android.widget.RadioButton
-import android.widget.TextView
+import android.widget.*
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.MutableLiveData
@@ -53,6 +51,7 @@ import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
+import java.util.regex.Pattern
 
 object SLogging : Logging
 
@@ -458,6 +457,10 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
         BluetoothInterface.hasCompanionDeviceApi(requireContext())
     }
 
+    private val deviceManager: CompanionDeviceManager by lazy {
+        requireContext().getSystemService(Context.COMPANION_DEVICE_SERVICE) as CompanionDeviceManager
+    }
+
     private val myActivity get() = requireActivity() as MainActivity
 
     override fun onDestroy() {
@@ -656,12 +659,15 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
             }
         }
 
-        scanModel.devices.observe(viewLifecycleOwner) { devices ->
-            updateDevicesButtons(devices)
-        }
-
         binding.updateFirmwareButton.setOnClickListener {
-            doFirmwareUpdate()
+            MaterialAlertDialogBuilder(requireContext())
+                .setMessage("${getString(R.string.update_firmware)}?")
+                .setNeutralButton(R.string.cancel) { _, _ ->
+                }
+                .setPositiveButton(getString(R.string.okay)) { _, _ ->
+                    doFirmwareUpdate()
+                }
+                .show()
         }
 
         binding.usernameEditText.on(EditorInfo.IME_ACTION_DONE) {
@@ -724,6 +730,7 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
                 }
                 .setPositiveButton(getString(R.string.report)) { _, _ ->
                     reportError("Clicked Report A Bug")
+                    Toast.makeText(requireContext(), "Bug report sent!", Toast.LENGTH_LONG).show()
                 }
                 .show()
         }
@@ -814,6 +821,10 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
 
     private fun initClassicScan() {
 
+        scanModel.devices.observe(viewLifecycleOwner) { devices ->
+            updateDevicesButtons(devices)
+        }
+
         binding.changeRadioButton.setOnClickListener {
             debug("User clicked changeRadioButton")
             if (!myActivity.hasScanPermission()) {
@@ -846,17 +857,65 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
         }
     }
 
+    private fun startCompanionScan() {
+        // Disable the change button until our scan has some results
+        binding.changeRadioButton.isEnabled = false
+
+        // To skip filtering based on name and supported feature flags (UUIDs),
+        // don't include calls to setNamePattern() and addServiceUuid(),
+        // respectively. This example uses Bluetooth.
+        // We only look for Mesh (rather than the full name) because NRF52 uses a very short name
+        val deviceFilter: BluetoothDeviceFilter = BluetoothDeviceFilter.Builder()
+            .setNamePattern(Pattern.compile("Mesh.*"))
+            // .addServiceUuid(ParcelUuid(RadioInterfaceService.BTM_SERVICE_UUID), null)
+            .build()
+
+        // The argument provided in setSingleDevice() determines whether a single
+        // device name or a list of device names is presented to the user as
+        // pairing options.
+        val pairingRequest: AssociationRequest = AssociationRequest.Builder()
+            .addDeviceFilter(deviceFilter)
+            .setSingleDevice(false)
+            .build()
+
+        // When the app tries to pair with the Bluetooth device, show the
+        // appropriate pairing request dialog to the user.
+        deviceManager.associate(
+            pairingRequest,
+            object : CompanionDeviceManager.Callback() {
+
+                override fun onDeviceFound(chooserLauncher: IntentSender) {
+                    debug("Found one device - enabling changeRadioButton")
+                    binding.changeRadioButton.isEnabled = true
+                    binding.changeRadioButton.setOnClickListener {
+                        debug("User clicked changeRadioButton")
+                        try {
+                            startIntentSenderForResult(
+                                chooserLauncher,
+                                MainActivity.SELECT_DEVICE_REQUEST_CODE, null, 0, 0, 0, null
+                            )
+                        } catch (ex: Throwable) {
+                            errormsg("CompanionDevice startIntentSenderForResult error")
+                        }
+                    }
+                }
+
+                override fun onFailure(error: CharSequence?) {
+                    warn("BLE selection service failed $error")
+                    // changeDeviceSelection(myActivity, null) // deselect any device
+                }
+            }, null
+        )
+    }
+
     private fun initModernScan() {
 
-        binding.changeRadioButton.setOnClickListener {
-            debug("User clicked changeRadioButton")
-            if (!myActivity.hasScanPermission()) {
-                myActivity.requestScanPermission()
-            } else {
-                // checkLocationEnabled() // ? some phones still need location turned on
-                myActivity.startCompanionScan()
-            }
+        scanModel.devices.observe(viewLifecycleOwner) { devices ->
+            updateDevicesButtons(devices)
+            startCompanionScan()
         }
+
+        startCompanionScan()
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -894,7 +953,7 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
             fun weNeedAccess(warningReason: String) {
                 warn("Telling user we need need location access")
 
-                Snackbar.make(binding.changeRadioButton, warningReason, Snackbar.LENGTH_INDEFINITE)
+                Snackbar.make(requireView(), warningReason, Snackbar.LENGTH_INDEFINITE)
                     .apply { view.findViewById<TextView>(R.id.snackbar_text).isSingleLine = false }
                     .setAction(R.string.okay) {
                         // dismiss
@@ -964,7 +1023,7 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
             // Warn user if BLE is disabled
             if (scanModel.bluetoothAdapter?.isEnabled != true) {
                 Snackbar.make(
-                    binding.changeRadioButton,
+                    requireView(),
                     R.string.error_bluetooth,
                     Snackbar.LENGTH_INDEFINITE
                 )
@@ -978,4 +1037,20 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
             }
         }
     }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
+            && requestCode == MainActivity.SELECT_DEVICE_REQUEST_CODE
+            && resultCode == Activity.RESULT_OK
+        ) {
+            val deviceToPair: BluetoothDevice =
+                data?.getParcelableExtra(CompanionDeviceManager.EXTRA_DEVICE)!!
+            if (deviceToPair.bondState != BOND_BONDED) {
+                deviceToPair.createBond()
+            }
+            scanModel.changeScanSelection(myActivity, "x${deviceToPair.address}")
+        } else {
+            super.onActivityResult(requestCode, resultCode, data)
+        }
+    }
 }
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 84aaee0ff..bdaa4ffea 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -87,7 +87,7 @@
     <string name="region">Región</string>
     <string name="cant_change_no_radio">No se puede cambiar de canal porque la radio aún no está conectada. Por favor inténtelo de nuevo.</string>
     <string name="sample_coords">55.332244 34.442211</string>
-    <string name="save_messages">Guardar mensajes como csv...</string>
+    <string name="save_messages">Guardar rangetest.csv</string>
     <string name="set_channel_options">Establecer las opciones de los canales</string>
     <string name="reset">Reiniciar</string>
     <string name="are_you_shure_change_default">¿Estás seguro de que quieres cambiar al canal por defecto?</string>
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index d785d78f3..2b567d09c 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -91,7 +91,6 @@
     <string name="region">Régió</string>
     <string name="cant_change_no_radio">Nem lehet csatornát váltani, mert a rádió nincs csatlakoztatva. Kérem próbálja meg újra.</string>
     <string name="sample_coords">55.332244 34.442211</string>
-    <string name="save_messages">Üzenetek mentése csv fájlba...</string>
     <string name="set_channel_options">Csatorna paraméterek beállítása</string>
     <string name="reset">Újraindítás</string>
     <string name="are_you_shure_change_default">Biztosan meg akarja változtatni az alapértelmezett csatornát?</string>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index d8a523045..d5e0e74c0 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -97,7 +97,6 @@
     <string name="region">Region</string>
     <string name="cant_change_no_radio">Nie można zmienić kanału, ponieważ urządzenie nie jest jeszcze połączone. Proszę spróbuj jeszcze raz.</string>
     <string name="sample_coords">55.332244 34.442211</string>
-    <string name="save_messages">Zapisz wiadomości jako csv...</string>
     <string name="set_channel_options">Ustaw właściwości kanału.</string>
     <string name="reset">Reset</string>
     <string name="are_you_shure_change_default">Na pewno chcesz zmienić na domyślny kanał?</string>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 539762d77..17b3cc324 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -92,7 +92,7 @@
     <string name="region">Região</string>
     <string name="cant_change_no_radio">Não foi possível mudar de canal, rádio não conectado. Tente novamente.</string>
     <string name="sample_coords">55.332244 34.442211</string>
-    <string name="save_messages">Salvar mensagens como .CSV…</string>
+    <string name="save_messages">Exportar rangetest.csv</string>
     <string name="set_channel_options">Configurar opções do canal</string>
     <string name="reset">Redefinir</string>
     <string name="are_you_shure_change_default">Tem certeza que quer mudar para o canal padrão?</string>
diff --git a/app/src/main/res/values-pt/strings.xml b/app/src/main/res/values-pt/strings.xml
index 8c020a567..367449525 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -92,7 +92,7 @@
     <string name="region">Região</string>
     <string name="cant_change_no_radio">Não foi possível mudar de canal, rádio não conectado. Tente novamente.</string>
     <string name="sample_coords">55.332244 34.442211</string>
-    <string name="save_messages">Salvar mensagens como .CSV…</string>
+    <string name="save_messages">Exportar rangetest.csv</string>
     <string name="set_channel_options">Configurar opções do canal</string>
     <string name="reset">Redefinir</string>
     <string name="are_you_shure_change_default">Tem certeza que quer mudar para o canal padrão?</string>
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
index 9f519becf..43e8cc17e 100644
--- a/app/src/main/res/values-sk/strings.xml
+++ b/app/src/main/res/values-sk/strings.xml
@@ -95,7 +95,6 @@
     <string name="must_set_region">Musíte nastaviť región!</string>
     <string name="region">Región</string>
     <string name="sample_coords">48.14816 17.10674</string>
-    <string name="save_messages">Ulož spávy ako CSV súbor</string>
     <string name="set_channel_options">Nastaviť kanál</string>
     <string name="reset">Resetovať</string>
     <string name="reset_to_defaults">Resetovať na základné (default) nastavenia</string>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index a1ac842ce..37137fb43 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -92,7 +92,6 @@
     <string name="region">地区</string>
     <string name="cant_change_no_radio">Couldn\'t change channel, because radio is not yet connected. Please try again.</string>
     <string name="sample_coords">55.332244 34.442211</string>
-    <string name="save_messages">将消息另存为csv文件</string>
     <string name="set_channel_options">设置频道选项</string>
     <string name="reset">重置</string>
     <string name="are_you_shure_change_default">您确定要更改为默认频道吗？</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 41e99f78e..8833a0bf9 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -96,7 +96,7 @@
     <string name="region">Region</string>
     <string name="cant_change_no_radio">Couldn\'t change channel, because radio is not yet connected. Please try again.</string>
     <string name="sample_coords">55.332244 34.442211</string>
-    <string name="save_messages">Save messages as csv...</string>
+    <string name="save_messages">Export rangetest.csv</string>
     <string name="set_channel_options">Set channel options</string>
     <string name="reset">Reset</string>
     <string name="are_you_shure_change_default">Are you sure you want to change to the default channel?</string>
diff --git a/build.gradle b/build.gradle
index 6d31483b5..c4e902af7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.1.0'
+        classpath 'com.android.tools.build:gradle:7.1.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"