diff --git a/apps/ios/Sources/Voice/TalkModeManager.swift b/apps/ios/Sources/Voice/TalkModeManager.swift
index d3adb49e1b..6886666a3e 100644
--- a/apps/ios/Sources/Voice/TalkModeManager.swift
+++ b/apps/ios/Sources/Voice/TalkModeManager.swift
@@ -17,6 +17,7 @@ final class TalkModeManager: NSObject {
     var statusText: String = "Off"
 
     private let audioEngine = AVAudioEngine()
+    private var inputTapInstalled = false
     private var speechRecognizer: SFSpeechRecognizer?
     private var recognitionRequest: SFSpeechAudioBufferRecognitionRequest?
     private var recognitionTask: SFSpeechRecognitionTask?
@@ -160,6 +161,7 @@ final class TalkModeManager: NSObject {
         input.removeTap(onBus: 0)
         let tapBlock = Self.makeAudioTapAppendCallback(request: request)
         input.installTap(onBus: 0, bufferSize: 2048, format: format, block: tapBlock)
+        self.inputTapInstalled = true
 
         self.audioEngine.prepare()
         try self.audioEngine.start()
@@ -185,7 +187,10 @@ final class TalkModeManager: NSObject {
         self.recognitionTask = nil
         self.recognitionRequest?.endAudio()
         self.recognitionRequest = nil
-        self.audioEngine.inputNode.removeTap(onBus: 0)
+        if self.inputTapInstalled {
+            self.audioEngine.inputNode.removeTap(onBus: 0)
+            self.inputTapInstalled = false
+        }
         self.audioEngine.stop()
         self.speechRecognizer = nil
     }
diff --git a/apps/ios/Tests/GatewaySettingsStoreTests.swift b/apps/ios/Tests/GatewaySettingsStoreTests.swift
index 255c7aac9b..cd9842239c 100644
--- a/apps/ios/Tests/GatewaySettingsStoreTests.swift
+++ b/apps/ios/Tests/GatewaySettingsStoreTests.swift
@@ -7,8 +7,8 @@ private struct KeychainEntry: Hashable {
     let account: String
 }
 
-private let gatewayService = "bot.molt.gateway"
-private let nodeService = "bot.molt.node"
+private let gatewayService = "ai.openclaw.gateway"
+private let nodeService = "ai.openclaw.node"
 private let instanceIdEntry = KeychainEntry(service: nodeService, account: "instanceId")
 private let preferredGatewayEntry = KeychainEntry(service: gatewayService, account: "preferredStableID")
 private let lastGatewayEntry = KeychainEntry(service: gatewayService, account: "lastDiscoveredStableID")