Index: cloud_sync.py
===================================================================
diff -u -r8526ff48b8707a6ee883e3931dcbca0630ff3e15 -rb02f69db02eb8157d85f8d5c5b4e571784a6c212
--- cloud_sync.py	(.../cloud_sync.py)	(revision 8526ff48b8707a6ee883e3931dcbca0630ff3e15)
+++ cloud_sync.py	(.../cloud_sync.py)	(revision b02f69db02eb8157d85f8d5c5b4e571784a6c212)
@@ -19,7 +19,7 @@
 import sys
 
 
-VERSION = "0.4.11"
+VERSION = "0.4.15"
 
 arguments = sys.argv
 
@@ -33,13 +33,45 @@
 sleep(5)  # wait for UI to prepare the configurations partition
 
 try:
-    g_config = helpers_read_config(CONFIG_PATH)
+    ok = False
+    print(SETUP_CONSOLE_LINE)
 
-    if g_config[CONFIG_DEVICE][CONFIG_DEVICE_MODE] == 'operation':
-        g_config = helpers_read_config(OPERATION_CONFIG_FILE_PATH)
-        CONFIG_PATH = OPERATION_CONFIG_FILE_PATH
+    if EXEC_MODE_UPGRADE_KEY in arguments:      # ---------- upgrade
+        # Read from $HOME
+        if os.path.isfile(CONFIG_PATH) and os.access(CONFIG_PATH, os.R_OK | os.W_OK): #TODO test if this check needed?
+            EXEC_MODE = EXEC_MODE_UPGRADE
+            g_config = helpers_read_config(CONFIG_PATH)
+            ok = True
+    else:
+        if EXEC_MODE_UPDATE_KEY in arguments:   # ---------- update
+            EXEC_MODE = EXEC_MODE_UPDATE
+            print(f"CloudSync starting in {EXEC_MODE} mode")
+            print("CloudSync update config started...")
+            # Update the $HOME from /var/configuraitons/ and update result in both for later update
+            oldConfig = helpers_read_config(OPERATION_CONFIG_FILE_PATH)
+            newConfig = helpers_read_config(CONFIG_PATH)
+            newConfig.update(oldConfig)
+            helpers_write_config(None                 , CONFIG_PATH               , newConfig)
+            helpers_write_config(OPERATION_CONFIG_PATH, OPERATION_CONFIG_FILE_PATH, newConfig)
+            print("CloudSync update config done.")
+
+        # Read from /var/configuraitons/        # ---------- normal
+        if os.path.isfile(OPERATION_CONFIG_FILE_PATH) and os.access(OPERATION_CONFIG_FILE_PATH, os.R_OK): #TODO test if this check needed?
+            g_config = helpers_read_config(OPERATION_CONFIG_FILE_PATH)
+            CONFIG_PATH = OPERATION_CONFIG_FILE_PATH
+            ok = True
+
+    if ok:
+        print(f"CloudSync started in {EXEC_MODE} mode")
+        print(f"Using config: {CONFIG_PATH}")
+    else:
+        g_utils.logger.error(f"Error reading config file in {EXEC_MODE}")
+
+    print(SETUP_CONSOLE_LINE)
+
 except Exception as e:
-    g_utils.logger.error("Error reading config file - {0}".format(e))
+    g_utils.logger.error(f"Error reading config file - {e}")
+    print(SETUP_CONSOLE_LINE)
     sys.exit(0)
 
 try: