Index: sources/device/DeviceController.cpp
===================================================================
diff -u -rafc3ee7fbbb3ed76165002e1d486dc732ad374a6 -r93315aa549a91c6c0d6973248e9b903df9cc40a2
--- sources/device/DeviceController.cpp	(.../DeviceController.cpp)	(revision afc3ee7fbbb3ed76165002e1d486dc732ad374a6)
+++ sources/device/DeviceController.cpp	(.../DeviceController.cpp)	(revision 93315aa549a91c6c0d6973248e9b903df9cc40a2)
@@ -975,25 +975,28 @@
 
 bool DeviceController::logBackup(const QString &vFileName)
 {
-    if ( ! gLongLogName ) return false;
+    if ( ! gLogUpload ) return false;       // no log backup
 
     bool ok = true;
+    QString   fileSrc = vFileName;
     QFileInfo fileInfo(vFileName);
     QString   filePath(fileInfo.absolutePath());
     QString   fileBase(fileInfo.baseName());
     QString   fileSufx(fileInfo.completeSuffix().prepend(_Logger.logFileNamePendingSubExt()));
     QString   fileDest(QString("%1/%2.%3").arg(filePath, fileBase, fileSufx));
-    // DEBUG
-    // qDebug() << "";
-    // qDebug() << vFileName;
-    // qDebug() << fileDest;
-    ok = QFile::rename(vFileName, fileDest);
+    // DEBUG qDebug() << __FUNCTION__ << "\n" << vFileName << "\n" << fileDest;
+    if ( gLogCompress ) {
+        fileSrc  += _Logger.logFileNameCompressExt();
+        fileDest += _Logger.logFileNameCompressExt();
+        ok = FileHandler::backupFile(vFileName);
+    }
+    ok = QFile::rename(fileSrc, fileDest);
     return ok;
 }
 
 void DeviceController::onLogBackup(const QString &vFileName)
 {
-    if ( ! gLongLogName ) return;
+    if ( ! gLogUpload ) return;             // no log backup ( slot )
 
     bool ok = true;
     ok =    logBackup(    vFileName);
@@ -1002,7 +1005,7 @@
 
 bool DeviceController::logUpload(const QString &vFileName)
 {
-    if ( ! gLongLogName ) return false;
+    if ( ! gLogUpload ) return false;       // no log Uploaded rename
 
     bool ok = true;
     QFileInfo fileInfo(vFileName);
@@ -1015,10 +1018,7 @@
     Logger::LogType logType = _Logger.logFileLogType(vFileName, filePath);
     ok = logType != Logger::eLogNone;
     if ( ! ok ) { LOG_APPED_UI(QString("CS Incorrect log upload type [%1]").arg(fileSufx)); goto lOut; }
-    // DEBUG
-    // qDebug() << "";
-    // qDebug() << vFileName;
-    // qDebug() << fileDest;
+    // DEBUG qDebug() << __FUNCTION__ << "\n" << vFileName << "\n" << fileDest;
 
     ok = QFile::rename(filePath + vFileName, filePath + fileDest);
 lOut:
@@ -1027,7 +1027,7 @@
 
 void DeviceController::onLogUpload(const QString &vFileName)
 {
-    if ( ! gLongLogName ) return;
+    if ( ! gLogUpload ) return;             // no log uploaded rename ( slot )
 
     bool ok = true;
     ok =    logUpload(    vFileName);
@@ -1076,7 +1076,7 @@
  */
 void DeviceController::findPendingLogs()
 {
-    if ( ! gLongLogName ) return;
+    if ( ! gLogUpload ) return;             // no log upload pending detection
 
     static QString pendingLog     = "";
     if( _pendingCounter ) {
@@ -1096,13 +1096,20 @@
         // if there are pending files,
         // send a request only for the top on the list
         /// Note I thought it makes sense to send the oldest on the application and service logs
-        /// but there some conversation about the situation if something happens on the device,
+        /// but there are some conversation about the situation if something happens on the device,
         /// and it would be a critical situation to get the recent/top log and won't wait for the old ones to upload.
         // * When gets uploaded, moves from pending then next one comes to top
         // the process repeats until there is no file in pending
+
+        bool uploadOldestFirst = true; //TODO: make if configurable(cfg, or cli)
+
         if ( pendingFiles.count() ) {
-            // the most recent/first Tx file, to first ask for the current treatment which has just saved as pending on screen
-            _pendingLog = pendingFiles.first().absoluteFilePath();
+            // the most recent/first log file, to first ask for the current log which has just been saved as pending
+            if ( uploadOldestFirst ) {
+                _pendingLog = pendingFiles.first().absoluteFilePath();
+            } else {
+                _pendingLog = pendingFiles.last().absoluteFilePath();
+            }
             QString message = pendingLog;
             LOG_DEBUG(message);
             emit didPendingLog( _pendingLog, FileHandler::sha256sum( _pendingLog ) );