diff --git a/examples/cl-repl/app.pro b/examples/cl-repl/app.pro
index 8f9a541..24e36d1 100644
--- a/examples/cl-repl/app.pro
+++ b/examples/cl-repl/app.pro
@@ -55,7 +55,7 @@ win32 {
 
 android {
   QT          += androidextras
-  DEFINES     += NO_TEXT_HANDLES
+  DEFINES     += NO_TEXT_HANDLES NO_USB
   DEFINES     -= DESKTOP_APP
   INCLUDEPATH = $$ECL/include
   ECL_VERSION = $$lower($$system($$ECL/../ecl-android-host/bin/ecl -v))
@@ -87,7 +87,7 @@ android {
 }
 
 ios {
-  DEFINES     += NO_TEXT_HANDLES DISABLE_SMART_QUOTES
+  DEFINES     += NO_TEXT_HANDLES DISABLE_SMART_QUOTES NO_USB
   DEFINES     -= DESKTOP_APP
   INCLUDEPATH = $$(ECL_IOS)/include
   ECL_VERSION = $$lower($$system($ECL_IOS/../ecl-ios-host/bin/ecl -v))
diff --git a/examples/cl-repl/cpp/qt.cpp b/examples/cl-repl/cpp/qt.cpp
index 66ac243..0619660 100644
--- a/examples/cl-repl/cpp/qt.cpp
+++ b/examples/cl-repl/cpp/qt.cpp
@@ -6,7 +6,7 @@
 #include <QNetworkInterface>
 #include <QHostAddress>
 
-#ifdef Q_OS_UNIX
+#if (defined Q_OS_UNIX) && !(defined NO_USB)
   #include "usb/usb.h"
 #endif
 
@@ -341,7 +341,7 @@ QVariant QT::localIp() {
 
 // USB
 
-#ifdef Q_OS_UNIX
+#if (defined Q_OS_UNIX) && !(defined NO_USB)
 QVariant QT::connectUsb() {
   if (usb == nullptr) {
     usb = new USB();
diff --git a/examples/cl-repl/cpp/qt.h b/examples/cl-repl/cpp/qt.h
index 8c80d4a..8598d1a 100644
--- a/examples/cl-repl/cpp/qt.h
+++ b/examples/cl-repl/cpp/qt.h
@@ -28,7 +28,7 @@ QT_BEGIN_NAMESPACE
 
 extern "C" { LIB_EXPORT QObject* ini(); }
 
-#ifdef Q_OS_UNIX
+#if (defined Q_OS_UNIX) && !(defined NO_USB)
   class USB;
 #endif
 
@@ -111,7 +111,7 @@ public:
   Q_INVOKABLE QVariant localIp();
 
   // USB
-#ifdef Q_OS_UNIX
+#if (defined Q_OS_UNIX) && !(defined NO_USB)
   Q_INVOKABLE QVariant connectUsb  ();
   Q_INVOKABLE QVariant sendToUlisp (const QVariant&);
 
diff --git a/examples/meshtastic/cpp/connection/usb/usb_me.cpp b/examples/meshtastic/cpp/connection/usb/usb_me.cpp
index 89f063c..19a6d11 100644
--- a/examples/meshtastic/cpp/connection/usb/usb_me.cpp
+++ b/examples/meshtastic/cpp/connection/usb/usb_me.cpp
@@ -28,7 +28,7 @@ void USB_ME::connectToRadio() {
   }
 
   const auto infos = QSerialPortInfo::availablePorts();
-  // tested with HELTEC v3, LILYGO T-Beam, RAK 4631
+  // tested with Heltec v3, LILYGO T-Beam, RAK 4631
   const QStringList supported = { "RAK", "UART", "USB" };
   for (auto info : infos) {
     QString name(info.manufacturer() + " | " + info.description());
@@ -54,9 +54,7 @@ void USB_ME::connectToRadio() {
   }
 
 done:
-  if (!open(QIODevice::ReadWrite)) {
-    qDebug() << "USB: unable to open port" << portName();
-  } else {
+  if (open(QIODevice::ReadWrite)) {
     ready = true;
     setDataTerminalReady(true);
     setRequestToSend(true);
@@ -64,6 +62,8 @@ done:
       con->setReady(QVariant(QVariantList() << true));
     }
     qDebug() << "USB open";
+  } else {
+    qDebug() << "USB: unable to open port" << portName();
   }
 }
 
diff --git a/examples/meshtastic/platforms/windows/setup.nsi b/examples/meshtastic/platforms/windows/setup.nsi
index 451b1b7..1c8e9fd 100644
--- a/examples/meshtastic/platforms/windows/setup.nsi
+++ b/examples/meshtastic/platforms/windows/setup.nsi
@@ -1,7 +1,7 @@
   Unicode True
   !include "MUI2.nsh"
   Name "Mesh SMS"
-  OutFile "out\Setup-Mesh-SMS-0.9.0.exe"
+  OutFile "out\Setup-Mesh-SMS-0.9.1.exe"
   InstallDir "$PROGRAMFILES\Mesh SMS"
   Var STARTMENU_FOLDER
   !define MUI_ABORTWARNING