Index: sources/device/DeviceController.cpp
===================================================================
diff -u -rc7a601b156691ad8c86e3fd177e966056bf6728a -r4fe1242233f0928c347f0e973dd5284b1c5583dd
--- sources/device/DeviceController.cpp	(.../DeviceController.cpp)	(revision c7a601b156691ad8c86e3fd177e966056bf6728a)
+++ sources/device/DeviceController.cpp	(.../DeviceController.cpp)	(revision 4fe1242233f0928c347f0e973dd5284b1c5583dd)
@@ -1055,6 +1055,41 @@
     return ok;
 }
 
+bool DeviceController::logDuplicate(const QString &vFileName)
+{
+    if ( ! gLogUpload ) return false;       // no log Uploaded rename
+
+    bool ok = true;
+    QFileInfo fileInfo(vFileName);
+    QString   filePath;
+    QString   fileDest;
+    QString   fileBase(fileInfo.baseName());
+    quint8    tally = 0;
+
+    const QString   pendingExt = _Logger.logFileNamePendingSubExt();
+    const QString   uploadExt  = _Logger.logFileNameUploadedSubExt();
+
+    Logger::LogType logType = _Logger.logFileLogType(vFileName, filePath);
+    ok = logType != Logger::eLogNone;
+    if ( ! ok ) { LOG_APPED_UI(QString("CS Incorrect log upload type [%1]").arg(fileInfo.completeSuffix())); goto lOut; }
+    // DEBUG qDebug() << __FUNCTION__ << "\n" << vFileName << "\n" << fileDest;
+
+    do {
+        QString subExt = (tally == 0) ? uploadExt : QString("c%1.").arg(tally);
+
+        QString fileSufx = fileInfo.completeSuffix().replace(pendingExt, subExt);
+
+        fileDest = QString("%1.%2").arg(fileBase, fileSufx);
+        ++tally;
+
+    } while (QFile::exists(filePath + fileDest));
+
+    qDebug() << __FUNCTION__ << "\n" << vFileName << "\n" << fileDest;
+//    ok = QFile::rename(filePath + vFileName, filePath + fileDest);
+lOut:
+    return ok;
+}
+
 void DeviceController::onLogUpload(const QString &vFileName, const quint32 &vAccepted, const quint32 &vRejectReason)
 {
     if ( ! gLogUpload ) return;             // no log uploaded rename ( slot )
Index: sources/device/DeviceController.h
===================================================================
diff -u -r2b999e7cb21620d4b43cefc0908e3367bd05c840 -r4fe1242233f0928c347f0e973dd5284b1c5583dd
--- sources/device/DeviceController.h	(.../DeviceController.h)	(revision 2b999e7cb21620d4b43cefc0908e3367bd05c840)
+++ sources/device/DeviceController.h	(.../DeviceController.h)	(revision 4fe1242233f0928c347f0e973dd5284b1c5583dd)
@@ -284,6 +284,9 @@
     bool logBackup(const QString &vFileName);
     bool logUpload(const QString &vFileName);
 
+    bool logDuplicate(const QString &vFileName);
+
+
 signals:
     /*!
      * \brief   didScreenshot