diff --git a/main.cpp b/main.cpp
index 999eb0b..94d2ec7 100644
--- a/main.cpp
+++ b/main.cpp
@@ -8,6 +8,7 @@
 
 int main(int argc, char *argv[])
 {
+    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     QApplication a(argc, argv);
     MainWindow w;
     QSettings* settings = new QSettings("GUIsettings.ini", QSettings::IniFormat);
diff --git a/module/mifare.cpp b/module/mifare.cpp
index b07593e..4ac028b 100644
--- a/module/mifare.cpp
+++ b/module/mifare.cpp
@@ -252,6 +252,21 @@ void Mifare::hardnested()
         ui->funcTab->setCurrentIndex(1);
 }
 
+void Mifare::darkside()
+{
+    if(util->getClientType() == Util::CLIENTTYPE_OFFICIAL)
+    {
+        util->execCMD("hf mf mifare");
+        ui->funcTab->setCurrentIndex(1);
+    }
+    else if(util->getClientType() == Util::CLIENTTYPE_ICEMAN)
+    {
+        util->execCMD("hf mf darkside");
+        ui->funcTab->setCurrentIndex(1);
+    }
+
+}
+
 void Mifare::sniff()
 {
     util->execCMD("hf mf sniff");
diff --git a/module/mifare.h b/module/mifare.h
index dfde298..b825d56 100644
--- a/module/mifare.h
+++ b/module/mifare.h
@@ -66,6 +66,7 @@ public:
     QString info(bool isRequiringOutput = false);
     void chk();
     void nested();
+    void darkside();
     void hardnested();
     void sniff();
     void snoop();
diff --git a/testlog.md b/testlog.md
new file mode 100644
index 0000000..1e11118
--- /dev/null
+++ b/testlog.md
@@ -0,0 +1,25 @@
+# Some Test Log
+
+***
+
+# Version:0.1.3
+## Mifare
+### Card Info
++ Official, Mifare card: Passed
++ Iceman, Mifare card: Passed
++ Official, no card: Passed
++ Iceman, no card: Passed
+
+### Check default Password
++ Official, all FFFFFFFFFFFF: Passed
++ Iceman, all FFFFFFFFFFFF: Passed
++ Official, no card: Passed
++ Iceman, no card: Stuck to searching card, then failed to communicate with PM3
++ Official, all unknown: Passed
++ Iceman, all unknown: Passed
++ Official, partially unknown: Passed
++ Iceman, partially unknown: Passed
+
+### Darkside Attack
++ Official: Passed
++ Iceman: Passed
\ No newline at end of file
diff --git a/ui/mainwindow.cpp b/ui/mainwindow.cpp
index 6ad89ba..ed0f0ca 100644
--- a/ui/mainwindow.cpp
+++ b/ui/mainwindow.cpp
@@ -7,6 +7,7 @@ MainWindow::MainWindow(QWidget *parent):
 {
     ui->setupUi(this);
     myInfo = new QAction("wh201906", this);
+    currVersion = new QAction("Ver: " + QApplication::applicationVersion().section('.', 0, -2), this); // ignore the 4th version number
     checkUpdate = new QAction(tr("Check Update"), this);
     connect(myInfo, &QAction::triggered, [ = ]()
     {
@@ -17,6 +18,7 @@ MainWindow::MainWindow(QWidget *parent):
         QDesktopServices::openUrl(QUrl("https://github.com/wh201906/Proxmark3GUI/releases"));
     });
     this->addAction(myInfo);
+    this->addAction(currVersion);
     this->addAction(checkUpdate);
 
     settings = new QSettings("GUIsettings.ini", QSettings::IniFormat);
@@ -30,6 +32,11 @@ MainWindow::MainWindow(QWidget *parent):
     mifare = new Mifare(ui, util, this);
 
     keyEventFilter = new MyEventFilter(QEvent::KeyRelease);
+
+
+    // hide unused tabs
+    ui->funcTab->removeTab(1);
+    ui->funcTab->removeTab(1);
 }
 
 MainWindow::~MainWindow()
@@ -127,6 +134,11 @@ void MainWindow::on_stopButton_clicked()
 
 // ******************** raw command ********************
 
+void MainWindow::on_Raw_CMDEdit_textChanged(const QString &arg1)
+{
+    stashedCMDEditText = arg1;
+}
+
 void MainWindow::on_Raw_sendCMDButton_clicked()
 {
     util->execCMD(ui->Raw_CMDEdit->text());
@@ -1039,7 +1051,11 @@ void MainWindow::saveClientPath(const QString& path)
 }
 // ***********************************************
 
-void MainWindow::on_Raw_CMDEdit_textChanged(const QString &arg1)
+
+
+void MainWindow::on_MF_Attack_darksideButton_clicked()
 {
-    stashedCMDEditText = arg1;
+    setState(false);
+    mifare->darkside();
+    setState(true);
 }
diff --git a/ui/mainwindow.h b/ui/mainwindow.h
index 91daafa..948e991 100644
--- a/ui/mainwindow.h
+++ b/ui/mainwindow.h
@@ -154,6 +154,8 @@ private slots:
     void on_stopButton_clicked();
     void on_Raw_CMDEdit_textChanged(const QString &arg1);
 
+    void on_MF_Attack_darksideButton_clicked();
+
 private:
     Ui::MainWindow* ui;
     QButtonGroup* typeBtnGroup;
@@ -162,6 +164,7 @@ private:
     QLabel* PM3VersionBar;
     QPushButton* stopButton;
     QAction* myInfo;
+    QAction* currVersion;
     QAction* checkUpdate;
     QSettings* settings;
     MyEventFilter* keyEventFilter;
diff --git a/ui/mainwindow.ui b/ui/mainwindow.ui
index 2e7cc0b..6801816 100644
--- a/ui/mainwindow.ui
+++ b/ui/mainwindow.ui
@@ -120,7 +120,7 @@
        </sizepolicy>
       </property>
       <property name="currentIndex">
-       <number>1</number>
+       <number>0</number>
       </property>
       <widget class="QWidget" name="mifareTab">
        <attribute name="title">
@@ -568,6 +568,19 @@
                </property>
               </widget>
              </item>
+             <item>
+              <widget class="QPushButton" name="MF_Attack_darksideButton">
+               <property name="minimumSize">
+                <size>
+                 <width>40</width>
+                 <height>0</height>
+                </size>
+               </property>
+               <property name="text">
+                <string>Darkside</string>
+               </property>
+              </widget>
+             </item>
              <item>
               <spacer name="horizontalSpacer_2">
                <property name="orientation">
@@ -1169,6 +1182,9 @@
        </layout>
       </widget>
       <widget class="QWidget" name="lfTab">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
        <attribute name="title">
         <string>LF/Data</string>
        </attribute>