diff --git a/app/src/main/java/com/example/medilightv2android/ui/views/connection/DeviceScanView.kt b/app/src/main/java/com/example/medilightv2android/ui/views/connection/DeviceScanView.kt
index 5a7ec5e..99e0def 100644
--- a/app/src/main/java/com/example/medilightv2android/ui/views/connection/DeviceScanView.kt
+++ b/app/src/main/java/com/example/medilightv2android/ui/views/connection/DeviceScanView.kt
@@ -133,7 +133,7 @@ fun DeviceScanView(appState: AppState) {
                     appState.deviceConnected()
                 } else {
                     bleManager.disconnect()
-                    bleManager.connectionError.value = "Pairing required. Please pair the device."
+                    bleManager.connectionError.value = context.getString(R.string.device_scan_pairing_required_err)
                 }
             }
         }
@@ -149,8 +149,8 @@ fun DeviceScanView(appState: AppState) {
     if (showPairingHint) {
         AlertDialog(
             onDismissRequest = {},
-            title = { Text("Pairing Required", fontWeight = FontWeight.Bold) },
-            text = { Text("A Bluetooth pairing request will appear.\nTap 'Pair', then enter PIN if prompted.") },
+            title = { Text(stringResource(R.string.device_scan_pairing_required_title), fontWeight = FontWeight.Bold) },
+            text = { Text(stringResource(R.string.device_scan_pairing_required_msg)) },
             confirmButton = {}
         )
     }
@@ -166,7 +166,7 @@ fun DeviceScanView(appState: AppState) {
             verticalAlignment = Alignment.CenterVertically
         ) {
             IconButton(onClick = { appState.backToSensorSelect() }) {
-                Icon(Icons.AutoMirrored.Filled.ArrowBack, "Back", tint = MlPrimary)
+                Icon(Icons.AutoMirrored.Filled.ArrowBack, stringResource(R.string.device_scan_back_desc), tint = MlPrimary)
             }
             Spacer(modifier = Modifier.weight(1f))
         }
@@ -175,11 +175,11 @@ fun DeviceScanView(appState: AppState) {
             modifier = Modifier.fillMaxWidth(),
             horizontalAlignment = Alignment.CenterHorizontally
         ) {
-            Text("Connect Device", fontSize = 24.sp, fontWeight = FontWeight.Bold)
+            Text(stringResource(R.string.device_scan_title), fontSize = 24.sp, fontWeight = FontWeight.Bold)
             Spacer(modifier = Modifier.height(8.dp))
             Text(
-                if (knownDevices.isEmpty()) "Searching for nearby devices..."
-                else "Tap a saved device or scan for new",
+                if (knownDevices.isEmpty()) stringResource(R.string.device_scan_searching)
+                else stringResource(R.string.device_scan_tap_or_scan),
                 fontSize = 14.sp, color = MlSecondaryText
             )
         }
@@ -197,10 +197,10 @@ fun DeviceScanView(appState: AppState) {
                     .padding(16.dp),
                 verticalAlignment = Alignment.CenterVertically
             ) {
-                Icon(Icons.Default.Warning, "Warning", tint = Color.White)
+                Icon(Icons.Default.Warning, stringResource(R.string.device_scan_warning_desc), tint = Color.White)
                 Spacer(modifier = Modifier.width(12.dp))
                 Column {
-                    Text("Bluetooth is off", fontWeight = FontWeight.Bold, color = Color.White, fontSize = 14.sp)
+                    Text(stringResource(R.string.device_scan_bluetooth_off), fontWeight = FontWeight.Bold, color = Color.White, fontSize = 14.sp)
                     Text("Enable Bluetooth in Settings", color = Color.White.copy(alpha = 0.8f), fontSize = 12.sp)
                 }
             }
@@ -218,10 +218,10 @@ fun DeviceScanView(appState: AppState) {
                     .padding(16.dp),
                 verticalAlignment = Alignment.CenterVertically
             ) {
-                Icon(Icons.Default.Warning, "Warning", tint = Color.White)
+                Icon(Icons.Default.Warning, stringResource(R.string.device_scan_warning_desc), tint = Color.White)
                 Spacer(modifier = Modifier.width(12.dp))
                 Column {
-                    Text("Permissions required", fontWeight = FontWeight.Bold, color = Color.White, fontSize = 14.sp)
+                    Text(stringResource(R.string.device_scan_permissions_required), fontWeight = FontWeight.Bold, color = Color.White, fontSize = 14.sp)
                     Text("Bluetooth and Location permissions are needed to scan for devices", color = Color.White.copy(alpha = 0.8f), fontSize = 12.sp)
                 }
             }
@@ -239,11 +239,11 @@ fun DeviceScanView(appState: AppState) {
                     .padding(12.dp),
                 verticalAlignment = Alignment.CenterVertically
             ) {
-                Icon(Icons.Default.Close, "Error", tint = Color.White)
+                Icon(Icons.Default.Close, stringResource(R.string.device_scan_error_desc), tint = Color.White)
                 Spacer(modifier = Modifier.width(12.dp))
                 Text(error, color = Color.White, fontSize = 13.sp, modifier = Modifier.weight(1f))
                 IconButton(onClick = { bleManager.connectionError.value = null }) {
-                    Icon(Icons.Default.Close, "Dismiss", tint = Color.White.copy(alpha = 0.8f))
+                    Icon(Icons.Default.Close, stringResource(R.string.device_scan_dismiss_desc), tint = Color.White.copy(alpha = 0.8f))
                 }
             }
             Spacer(modifier = Modifier.height(8.dp))
@@ -259,7 +259,7 @@ fun DeviceScanView(appState: AppState) {
             ) {
                 BladdyIdleRiveView(size = 180.dp)
                 Spacer(modifier = Modifier.height(16.dp))
-                Text("Scanning...", color = MlSecondaryText)
+                Text(stringResource(R.string.device_scan_scanning), color = MlSecondaryText)
             }
         } else if (emptyAll) {
             Column(
@@ -269,17 +269,17 @@ fun DeviceScanView(appState: AppState) {
                 horizontalAlignment = Alignment.CenterHorizontally,
                 verticalArrangement = Arrangement.Center
             ) {
-                Text("No devices found", fontSize = 16.sp, fontWeight = FontWeight.SemiBold, color = MlSecondaryText)
+                Text(stringResource(R.string.device_scan_no_devices), fontSize = 16.sp, fontWeight = FontWeight.SemiBold, color = MlSecondaryText)
                 Spacer(modifier = Modifier.height(16.dp))
                 Card(
                     shape = RoundedCornerShape(14.dp),
                     colors = CardDefaults.cardColors(containerColor = MlCardBackground)
                 ) {
                     Column(modifier = Modifier.padding(16.dp)) {
-                        TroubleshootItem("1.", "Make sure the device is powered on")
-                        TroubleshootItem("2.", "Keep the device within 1 meter")
-                        TroubleshootItem("3.", "Check Bluetooth is enabled in Settings")
-                        TroubleshootItem("4.", "Try restarting the device")
+                        TroubleshootItem("1.", stringResource(R.string.device_scan_troubleshoot_1))
+                        TroubleshootItem("2.", stringResource(R.string.device_scan_troubleshoot_2))
+                        TroubleshootItem("3.", stringResource(R.string.device_scan_troubleshoot_3))
+                        TroubleshootItem("4.", stringResource(R.string.device_scan_troubleshoot_4))
                     }
                 }
                 if (appState.isDevMode) {
@@ -293,7 +293,7 @@ fun DeviceScanView(appState: AppState) {
                         shape = RoundedCornerShape(12.dp),
                         colors = ButtonDefaults.buttonColors(containerColor = MlPrimary.copy(alpha = 0.15f))
                     ) {
-                        Text("Enter Measurement Mode (Dev)", color = MlPrimary, fontWeight = FontWeight.SemiBold)
+                        Text(stringResource(R.string.device_scan_enter_measurement_dev), color = MlPrimary, fontWeight = FontWeight.SemiBold)
                     }
                 }
             }
@@ -305,7 +305,7 @@ fun DeviceScanView(appState: AppState) {
             ) {
                 if (knownDevices.isNotEmpty()) {
                     item("known_header") {
-                        SectionHeader("Saved Devices", knownDevices.size)
+                        SectionHeader(stringResource(R.string.device_scan_saved_devices), knownDevices.size)
                     }
                     items(knownDevices, key = { "k_${it.address}" }) { known ->
                         KnownDeviceRow(
@@ -323,7 +323,7 @@ fun DeviceScanView(appState: AppState) {
                 if (newDevices.isNotEmpty()) {
                     item("new_header") {
                         Spacer(modifier = Modifier.height(8.dp))
-                        SectionHeader("New Devices", newDevices.size)
+                        SectionHeader(stringResource(R.string.device_scan_new_devices), newDevices.size)
                     }
                     items(newDevices, key = { "n_${it.address}" }) { device ->
                         DeviceRow(
@@ -390,9 +390,9 @@ fun DeviceScanView(appState: AppState) {
             ) {
                 Text(
                     when {
-                        !permissionsGranted -> "Grant Permissions"
-                        isScanning -> "Stop Scan"
-                        else -> "Start Scan"
+                        !permissionsGranted -> stringResource(R.string.device_scan_grant_permissions)
+                        isScanning -> stringResource(R.string.device_scan_stop_scan)
+                        else -> stringResource(R.string.device_scan_start_scan)
                     },
                     fontSize = 16.sp,
                     fontWeight = FontWeight.SemiBold,
@@ -451,7 +451,7 @@ private fun KnownDeviceRow(
             Spacer(modifier = Modifier.width(12.dp))
             Column(modifier = Modifier.weight(1f)) {
                 Text(device.name, fontSize = 15.sp, fontWeight = FontWeight.SemiBold)
-                Text("Last: $lastConnectedLabel", fontSize = 11.sp, color = MlSecondaryText)
+                Text(stringResource(R.string.device_scan_last_label, lastConnectedLabel), fontSize = 11.sp, color = MlSecondaryText)
             }
             if (isConnecting) {
                 CircularProgressIndicator(modifier = Modifier.size(22.dp), strokeWidth = 2.dp)
@@ -461,7 +461,7 @@ private fun KnownDeviceRow(
                     enabled = enabled,
                     modifier = Modifier.size(36.dp)
                 ) {
-                    Icon(Icons.Default.Delete, "Delete pairing",
+                    Icon(Icons.Default.Delete, stringResource(R.string.device_scan_delete_pairing_desc),
                         tint = Color.Red.copy(alpha = 0.7f),
                         modifier = Modifier.size(18.dp))
                 }
@@ -501,7 +501,7 @@ private fun DeviceRow(device: BleDevice, isConnecting: Boolean, enabled: Boolean
                 Row(verticalAlignment = Alignment.CenterVertically) {
                     SignalBars(rssi = device.rssi)
                     Spacer(modifier = Modifier.width(4.dp))
-                    Text(signalLabel(device.rssi), fontSize = 12.sp, color = MlSecondaryText)
+                    Text(stringResource(signalLabelRes(device.rssi)), fontSize = 12.sp, color = MlSecondaryText)
                 }
             }
 
@@ -545,6 +545,13 @@ private fun signalLabel(rssi: Int): String = when {
     else -> "Weak"
 }
 
+/** UI 용 — Locale 적용된 라벨. signalLabel(rssi) 는 dev/log 용으로 유지. */
+private fun signalLabelRes(rssi: Int): Int = when {
+    rssi >= -80 -> R.string.device_scan_signal_good
+    rssi >= -90 -> R.string.device_scan_signal_fair
+    else -> R.string.device_scan_signal_weak
+}
+
 @Composable
 private fun TroubleshootItem(number: String, text: String) {
     Row(modifier = Modifier.padding(vertical = 4.dp)) {
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index df0fe91..ce2cbf9 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -367,4 +367,35 @@
     <string name="personalization_back_desc">뒤로</string>
     <string name="personalization_max_capacity">최대 방광 용량</string>
     <string name="personalization_voiding_reminder_title">배뇨 알림 기준</string>
+
+    <!-- Device Scan -->
+    <string name="device_scan_title">기기 연결</string>
+    <string name="device_scan_searching">주변 기기를 찾는 중…</string>
+    <string name="device_scan_tap_or_scan">저장된 기기를 탭하거나 새 기기를 검색하세요</string>
+    <string name="device_scan_pairing_required_title">페어링 필요</string>
+    <string name="device_scan_pairing_required_msg">블루투스 페어링 요청이 표시됩니다.\n\'페어링\' 을 누르고, PIN 이 나타나면 입력하세요.</string>
+    <string name="device_scan_pairing_required_err">페어링이 필요합니다. 기기를 페어링해주세요.</string>
+    <string name="device_scan_back_desc">뒤로</string>
+    <string name="device_scan_warning_desc">경고</string>
+    <string name="device_scan_error_desc">오류</string>
+    <string name="device_scan_dismiss_desc">닫기</string>
+    <string name="device_scan_bluetooth_off">블루투스가 꺼져 있습니다</string>
+    <string name="device_scan_permissions_required">권한이 필요합니다</string>
+    <string name="device_scan_scanning">검색 중…</string>
+    <string name="device_scan_no_devices">기기를 찾을 수 없습니다</string>
+    <string name="device_scan_troubleshoot_1">기기 전원이 켜져 있는지 확인하세요</string>
+    <string name="device_scan_troubleshoot_2">기기를 1 미터 이내에 두세요</string>
+    <string name="device_scan_troubleshoot_3">설정에서 블루투스를 켜주세요</string>
+    <string name="device_scan_troubleshoot_4">기기를 다시 켜보세요</string>
+    <string name="device_scan_enter_measurement_dev">측정 모드 진입 (Dev)</string>
+    <string name="device_scan_saved_devices">저장된 기기</string>
+    <string name="device_scan_new_devices">새 기기</string>
+    <string name="device_scan_grant_permissions">권한 허용</string>
+    <string name="device_scan_stop_scan">검색 중지</string>
+    <string name="device_scan_start_scan">검색 시작</string>
+    <string name="device_scan_last_label">최근: %1$s</string>
+    <string name="device_scan_delete_pairing_desc">페어링 삭제</string>
+    <string name="device_scan_signal_good">좋음</string>
+    <string name="device_scan_signal_fair">보통</string>
+    <string name="device_scan_signal_weak">약함</string>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6ef8353..bfa3977 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -367,4 +367,35 @@
     <string name="personalization_back_desc">Back</string>
     <string name="personalization_max_capacity">Maximum Bladder Capacity</string>
     <string name="personalization_voiding_reminder_title">Voiding Reminder</string>
+
+    <!-- Device Scan -->
+    <string name="device_scan_title">Connect Device</string>
+    <string name="device_scan_searching">Searching for nearby devices...</string>
+    <string name="device_scan_tap_or_scan">Tap a saved device or scan for new</string>
+    <string name="device_scan_pairing_required_title">Pairing Required</string>
+    <string name="device_scan_pairing_required_msg">A Bluetooth pairing request will appear.\nTap \'Pair\', then enter PIN if prompted.</string>
+    <string name="device_scan_pairing_required_err">Pairing required. Please pair the device.</string>
+    <string name="device_scan_back_desc">Back</string>
+    <string name="device_scan_warning_desc">Warning</string>
+    <string name="device_scan_error_desc">Error</string>
+    <string name="device_scan_dismiss_desc">Dismiss</string>
+    <string name="device_scan_bluetooth_off">Bluetooth is off</string>
+    <string name="device_scan_permissions_required">Permissions required</string>
+    <string name="device_scan_scanning">Scanning...</string>
+    <string name="device_scan_no_devices">No devices found</string>
+    <string name="device_scan_troubleshoot_1">Make sure the device is powered on</string>
+    <string name="device_scan_troubleshoot_2">Keep the device within 1 meter</string>
+    <string name="device_scan_troubleshoot_3">Check Bluetooth is enabled in Settings</string>
+    <string name="device_scan_troubleshoot_4">Try restarting the device</string>
+    <string name="device_scan_enter_measurement_dev">Enter Measurement Mode (Dev)</string>
+    <string name="device_scan_saved_devices">Saved Devices</string>
+    <string name="device_scan_new_devices">New Devices</string>
+    <string name="device_scan_grant_permissions">Grant Permissions</string>
+    <string name="device_scan_stop_scan">Stop Scan</string>
+    <string name="device_scan_start_scan">Start Scan</string>
+    <string name="device_scan_last_label">Last: %1$s</string>
+    <string name="device_scan_delete_pairing_desc">Delete pairing</string>
+    <string name="device_scan_signal_good">Good</string>
+    <string name="device_scan_signal_fair">Fair</string>
+    <string name="device_scan_signal_weak">Weak</string>
 </resources>