diff --git a/src/plugins/ios/iossettingswidget.cpp b/src/plugins/ios/iossettingswidget.cpp
index 02168a79add..4f7cd37f587 100644
--- a/src/plugins/ios/iossettingswidget.cpp
+++ b/src/plugins/ios/iossettingswidget.cpp
@@ -155,7 +155,7 @@ void IosSettingsWidget::onCreate()
                                     .arg(name).arg(response.simUdid), Utils::StdOutFormat);
         } else {
             statusDialog->addMessage(tr("Simulator device (%1) creation failed.\nError: %2").
-                                    arg(name).arg(QString::fromUtf8(response.commandOutput)),
+                                    arg(name).arg(response.commandOutput),
                                     Utils::StdErrFormat);
         }
     };
diff --git a/src/plugins/ios/iostoolhandler.cpp b/src/plugins/ios/iostoolhandler.cpp
index 95d0ede5ec6..0ca710bda97 100644
--- a/src/plugins/ios/iostoolhandler.cpp
+++ b/src/plugins/ios/iostoolhandler.cpp
@@ -926,7 +926,7 @@ void IosSimulatorToolHandlerPrivate::installAppOnSimulator()
             didTransferApp(m_bundlePath, m_deviceId, IosToolHandler::Success);
         } else {
             errorMsg(IosToolHandler::tr("Application install on simulator failed. %1")
-                     .arg(QString::fromLocal8Bit(response.commandOutput)));
+                     .arg(response.commandOutput));
             didTransferApp(m_bundlePath, m_deviceId, IosToolHandler::Failure);
         }
         emit q->finished(q);
@@ -990,7 +990,7 @@ void IosSimulatorToolHandlerPrivate::launchAppOnSimulator(const QStringList &ext
         } else {
             m_pid = -1;
             errorMsg(IosToolHandler::tr("Application launch on simulator failed. %1")
-                     .arg(QString::fromLocal8Bit(response.commandOutput)));
+                     .arg(response.commandOutput));
             didStartApp(m_bundlePath, m_deviceId, Ios::IosToolHandler::Failure);
             stop(-1);
             q->finished(q);
diff --git a/src/plugins/ios/simulatorcontrol.cpp b/src/plugins/ios/simulatorcontrol.cpp
index e96bbfffe4b..723f17e95c1 100644
--- a/src/plugins/ios/simulatorcontrol.cpp
+++ b/src/plugins/ios/simulatorcontrol.cpp
@@ -77,17 +77,17 @@ static bool checkForTimeout(const chrono::high_resolution_clock::time_point &sta
     return timedOut;
 }
 
-static bool runCommand(QString command, const QStringList &args, QByteArray *output)
+static bool runCommand(QString command, const QStringList &args, QString *output)
 {
     Utils::SynchronousProcess p;
     p.setTimeoutS(-1);
     Utils::SynchronousProcessResponse resp = p.runBlocking(command, args);
     if (output)
-        *output = resp.allRawOutput();
+        *output = resp.stdOut();
     return resp.result == Utils::SynchronousProcessResponse::Finished;
 }
 
-static bool runSimCtlCommand(QStringList args, QByteArray *output)
+static bool runSimCtlCommand(QStringList args, QString *output)
 {
     args.prepend("simctl");
     return runCommand("xcrun", args, output);
@@ -100,11 +100,10 @@ static bool launchSimulator(const QString &simUdid) {
 
     if (IosConfigurations::xcodeVersion() >= QVersionNumber(9)) {
         // For XCode 9 boot the second device instead of launching simulator app twice.
-        QByteArray psOutput;
+        QString psOutput;
         if (runCommand("ps", {"-A", "-o", "comm"}, &psOutput)) {
-            QByteArray simulatorCommand = simulatorAppPath.toLatin1();
-            for (const QByteArray &comm : psOutput.split('\n')) {
-                if (comm == simulatorCommand)
+            for (const QString &comm : psOutput.split('\n')) {
+                if (comm == simulatorAppPath)
                     return runSimCtlCommand(QStringList({"boot", simUdid}), nullptr);
             }
         } else {
@@ -120,9 +119,9 @@ static bool launchSimulator(const QString &simUdid) {
 static QList<DeviceTypeInfo> getAvailableDeviceTypes()
 {
     QList<DeviceTypeInfo> deviceTypes;
-    QByteArray output;
+    QString output;
     runSimCtlCommand({"list", "-j", deviceTypeTag}, &output);
-    QJsonDocument doc = QJsonDocument::fromJson(output);
+    QJsonDocument doc = QJsonDocument::fromJson(output.toUtf8());
     if (!doc.isNull()) {
         const QJsonArray runtimesArray = doc.object().value(deviceTypeTag).toArray();
         foreach (const QJsonValue deviceTypeValue, runtimesArray) {
@@ -144,9 +143,9 @@ static QList<DeviceTypeInfo> getAvailableDeviceTypes()
 static QList<RuntimeInfo> getAvailableRuntimes()
 {
     QList<RuntimeInfo> runtimes;
-    QByteArray output;
+    QString output;
     runSimCtlCommand({"list", "-j", runtimesTag}, &output);
-    QJsonDocument doc = QJsonDocument::fromJson(output);
+    QJsonDocument doc = QJsonDocument::fromJson(output.toUtf8());
     if (!doc.isNull()) {
         const QJsonArray runtimesArray = doc.object().value(runtimesTag).toArray();
         foreach (const QJsonValue runtimeValue, runtimesArray) {
@@ -220,9 +219,9 @@ QList<SimulatorInfo> SimulatorControl::availableSimulators()
 static QList<SimulatorInfo> getAllSimulatorDevices()
 {
     QList<SimulatorInfo> simulatorDevices;
-    QByteArray output;
+    QString output;
     runSimCtlCommand({"list", "-j", devicesTag}, &output);
-    QJsonDocument doc = QJsonDocument::fromJson(output);
+    QJsonDocument doc = QJsonDocument::fromJson(output.toUtf8());
     if (!doc.isNull()) {
         const QJsonObject runtimeObject = doc.object().value(devicesTag).toObject();
         foreach (const QString &runtime, runtimeObject.keys()) {
@@ -512,7 +511,7 @@ void SimulatorControlPrivate::launchApp(QFutureInterface<SimulatorControl::Respo
         }
 
         if (runSimCtlCommand(args, &response.commandOutput)) {
-            const QByteArray pIdStr = response.commandOutput.trimmed().split(' ').last().trimmed();
+            const QString pIdStr = response.commandOutput.trimmed().split(' ').last().trimmed();
             bool validPid = false;
             response.pID = pIdStr.toLongLong(&validPid);
             response.success = validPid;
@@ -566,7 +565,7 @@ void SimulatorControlPrivate::createSimulator(QFutureInterface<SimulatorControl:
                                              deviceType.identifier,
                                              runtime.identifier},
                                             &response.commandOutput);
-        response.simUdid = response.success ? QString::fromLatin1(response.commandOutput.trimmed())
+        response.simUdid = response.success ? response.commandOutput.trimmed()
                                             : QString();
     }
 
diff --git a/src/plugins/ios/simulatorcontrol.h b/src/plugins/ios/simulatorcontrol.h
index bb46035a000..8ca3b894d50 100644
--- a/src/plugins/ios/simulatorcontrol.h
+++ b/src/plugins/ios/simulatorcontrol.h
@@ -84,7 +84,7 @@ public:
         QString simUdid;
         bool success = false;
         qint64 pID = -1;
-        QByteArray commandOutput = "";
+        QString commandOutput = "";
     };
 
 public:
diff --git a/src/plugins/ios/simulatoroperationdialog.cpp b/src/plugins/ios/simulatoroperationdialog.cpp
index 6e687d8437f..818b5881941 100644
--- a/src/plugins/ios/simulatoroperationdialog.cpp
+++ b/src/plugins/ios/simulatoroperationdialog.cpp
@@ -98,10 +98,10 @@ void SimulatorOperationDialog::addMessage(const SimulatorInfo &siminfo,
         addMessage(tr("%1, %2\nOperation %3 completed successfully.").arg(siminfo.name)
                    .arg(siminfo.runtimeName).arg(context), Utils::StdOutFormat);
     } else {
-        QByteArray erroMsg = response.commandOutput.trimmed();
+        QString erroMsg = response.commandOutput.trimmed();
         QString message = tr("%1, %2\nOperation %3 failed.\nUDID: %4\nError: %5").arg(siminfo.name)
                 .arg(siminfo.runtimeName).arg(context).arg(siminfo.identifier)
-                .arg(erroMsg.isEmpty() ? tr("Unknown") : QString::fromUtf8(erroMsg));
+                .arg(erroMsg.isEmpty() ? tr("Unknown") : erroMsg);
         addMessage(message, Utils::StdErrFormat);
         qCDebug(iosCommon) << message;
     }