diff --git a/src/frontend/CMakeLists.txt b/src/frontend/CMakeLists.txt
index a2f0b10..34c70af 100644
--- a/src/frontend/CMakeLists.txt
+++ b/src/frontend/CMakeLists.txt
@@ -31,6 +31,9 @@ add_executable(threeSD
   select_files_dialog.cpp
   select_files_dialog.h
   select_files_dialog.ui
+  select_nand_dialog.cpp
+  select_nand_dialog.h
+  select_nand_dialog.ui
   title_info_dialog.cpp
   title_info_dialog.h
   title_info_dialog.ui
diff --git a/src/frontend/main.cpp b/src/frontend/main.cpp
index f9c141c..867e280 100644
--- a/src/frontend/main.cpp
+++ b/src/frontend/main.cpp
@@ -14,6 +14,7 @@
 #include "common/file_util.h"
 #include "frontend/import_dialog.h"
 #include "frontend/main.h"
+#include "frontend/select_nand_dialog.h"
 #include "frontend/utilities.h"
 #include "ui_main.h"
 
@@ -205,6 +206,15 @@ void MainDialog::LaunchImportDialog() {
                "correctly."));
     }
 
+    if (config.nands.size() > 1) {
+        SelectNandDialog dialog(this, config.nands);
+        if (dialog.exec() != QDialog::Accepted) {
+            return;
+        }
+        // Swap the selected NAND to the front
+        std::swap(config.nands[0], config.nands[dialog.GetResult()]);
+    }
+
     ImportDialog dialog(this, config);
     dialog.exec();
 }
diff --git a/src/frontend/select_nand_dialog.cpp b/src/frontend/select_nand_dialog.cpp
new file mode 100644
index 0000000..dd9cb4e
--- /dev/null
+++ b/src/frontend/select_nand_dialog.cpp
@@ -0,0 +1,49 @@
+// Copyright 2021 Pengfei Zhu
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <QPushButton>
+#include <QRadioButton>
+#include "frontend/select_nand_dialog.h"
+#include "ui_select_nand_dialog.h"
+
+SelectNandDialog::SelectNandDialog(QWidget* parent,
+                                   const std::vector<Core::Config::NandConfig>& nands_)
+    : QDialog(parent), ui(std::make_unique<Ui::SelectNandDialog>()), nands(nands_) {
+
+    ui->setupUi(this);
+    setWindowFlags(windowFlags() & (~Qt::WindowContextHelpButtonHint));
+
+    // Initialize radio buttons
+    for (std::size_t i = 0; i < nands.size(); ++i) {
+        const auto& nand = nands[i];
+
+        // TODO: this is currently hardcoded
+        QString display_name;
+        if (nand.nand_name == "Sys") {
+            display_name = tr("SysNAND");
+        } else {
+            display_name =
+                tr("EmuNAND at 0x%1").arg(QString::fromStdString(nand.nand_name.substr(3)));
+        }
+
+        QRadioButton* button = new QRadioButton(display_name);
+        connect(button, &QRadioButton::toggled, this, [this, i](bool checked) {
+            if (checked) {
+                ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true);
+                result = i;
+            }
+        });
+        ui->contentLayout->addWidget(button);
+    }
+
+    ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
+    connect(ui->buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
+    connect(ui->buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
+}
+
+SelectNandDialog::~SelectNandDialog() = default;
+
+int SelectNandDialog::GetResult() const {
+    return result;
+}
diff --git a/src/frontend/select_nand_dialog.h b/src/frontend/select_nand_dialog.h
new file mode 100644
index 0000000..69d7887
--- /dev/null
+++ b/src/frontend/select_nand_dialog.h
@@ -0,0 +1,27 @@
+// Copyright 2021 Pengfei Zhu
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <QDialog>
+#include "core/importer.h"
+
+namespace Ui {
+class SelectNandDialog;
+}
+
+class SelectNandDialog final : public QDialog {
+public:
+    explicit SelectNandDialog(QWidget* parent, const std::vector<Core::Config::NandConfig>& nands);
+    ~SelectNandDialog();
+
+    int GetResult() const;
+
+private:
+    std::unique_ptr<Ui::SelectNandDialog> ui;
+
+    const std::vector<Core::Config::NandConfig>& nands;
+    int result = -1;
+};
diff --git a/src/frontend/select_nand_dialog.ui b/src/frontend/select_nand_dialog.ui
new file mode 100644
index 0000000..7845fce
--- /dev/null
+++ b/src/frontend/select_nand_dialog.ui
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SelectNandDialog</class>
+ <widget class="QDialog" name="SelectNandDialog">
+  <property name="windowTitle">
+   <string>Select NAND</string>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>0</height>
+   </rect>
+  </property>
+  <layout class="QVBoxLayout">
+   <item>
+    <widget class="QLabel">
+     <property name="text">
+      <string>Select primary NAND:</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="contentLayout" />
+   </item>
+   <item>
+    <widget class="QLabel">
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+     <property name="text">
+      <string>This determines which NAND's System Titles and System Data will be used.</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <spacer>
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Ok|QDialogButtonBox::Cancel</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+</ui>