diff --git a/software/.gitignore b/software/.gitignore
index 0795aa1..557c8b9 100644
--- a/software/.gitignore
+++ b/software/.gitignore
@@ -15,4 +15,6 @@
 *.part
 *.key
 *.ttf
+remotesize
+localsize
 
diff --git a/software/download-from-ftp.cmd b/software/download-from-ftp.cmd
index 9168eda..8e26c8c 100644
--- a/software/download-from-ftp.cmd
+++ b/software/download-from-ftp.cmd
@@ -1,5 +1,7 @@
 @echo off
 set FTPSETTINGS=..\custom\ftpsettings.cmd
+set LOCALSIZE=localsize
+set REMOTESIZE=remotesize
 
 rem ===================
 rem CONFIGFILE CHECK
@@ -43,6 +45,10 @@ echo FTP_PASS=xxxxxx
 echo ++++++++++++++++++
 echo.
 
+rem cleanup ...
+del /F /Q remotesize 2>nul
+del /F /Q localsize 2>nul
+
 echo disabling Windows defender for PATH [ %USERPROFILE% ] ...
 powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath %USERPROFILE%
 echo.
@@ -55,24 +61,13 @@ rem ###################################
 
 FOR /F "tokens=1,2 delims=, " %%E in (%LISTFILE%) do (
 
-  IF NOT EXIST %%F (
+  rem get local file size ...
+  FORFILES /M %%F /C "cmd /C echo Content-Length: @fsize >%LOCALSIZE%"
 
-    rem get it with curl ...
-    echo.
-    echo getting: [ %%F ]
-    curl -u %FTP_USER%:%FTP_PASS% -L ftp://%FTP_SERVER%/%FTP_PATH%/%%F --output %%F
+  rem get remote file size ...
+  curl -u %FTP_USER%:%FTP_PASS% -s -I ftp://%FTP_SERVER%/%FTP_PATH%/%%F | findstr Content-Length >%REMOTESIZE%
 
-    rem success ?
-    if NOT EXIST %%F (
-      echo ERROR: couldn't get %%F!
-    ) ELSE (
-      rem check size (it SHOULD NOT be 0!)
-      FORFILES /M %%F /C "cmd /C if @fsize EQU 0 echo ERROR: file @relpath is zero size!"
-    )
-
-  ) ELSE (
-    FORFILES /M %%F /C "cmd /C if @fsize NEQ 0 echo OK: file @relpath is [ @fsize ] bytes"
-  )
+  call :compare %%F
 
 )
 
@@ -81,10 +76,42 @@ rem END
 rem =====
 GOTO END
 
+
+:compare
+  rem COMPARE both ...
+  fc /W %LOCALSIZE% %REMOTESIZE%
+
+  if %ERRORLEVEL% GTR 0 (
+
+    rem get it with curl ...
+    echo.
+    echo getting: [ %1 ]
+    curl -u %FTP_USER%:%FTP_PASS% -L ftp://%FTP_SERVER%/%FTP_PATH%/%1 --output %1
+
+    rem success ?
+    if NOT EXIST %1 (
+      echo ERROR: couldn't get %1!
+    ) else (
+      rem check size (it SHOULD NOT be 0!)
+      FORFILES /M %1 /C "cmd /C if @fsize EQU 0 echo ERROR: file @relpath is zero size!"
+    ) 
+
+  ) else (
+    echo OK. File [ %1 ] is same size.
+  )
+
+goto :eof
+
+
 :USAGE
 echo "usage: %0 <LISTFILE>"
 echo   LISTFILE = basic, browser, optional or other
 echo.
 
 :END
+echo.
+echo cleanup ...
+del /F /Q remotesize 2>nul
+del /F /Q localsize 2>nul
+echo.