diff --git a/dev2/dev20240903-C3-changelog.txt b/dev2/dev20240903-C3-changelog.txt
new file mode 100644
index 0000000..8088c37
--- /dev/null
+++ b/dev2/dev20240903-C3-changelog.txt
@@ -0,0 +1 @@
+sondehub dfm vs version number workaounrd
diff --git a/dev2/dev20240903-C3-full.bin b/dev2/dev20240903-C3-full.bin
new file mode 100644
index 0000000..84da7dc
Binary files /dev/null and b/dev2/dev20240903-C3-full.bin differ
diff --git a/dev2/update-info.html b/dev2/update-info.html
index ffd553e..e9b1732 100644
--- a/dev2/update-info.html
+++ b/dev2/update-info.html
@@ -1 +1 @@
-<html><body><p>dev20240901gps-C3</p></body></html>
+<html><body><p>dev20240903-C3</p></body></html>
diff --git a/dev2/update.ino.bin b/dev2/update.ino.bin
index 0a8c920..aa844ce 100644
Binary files a/dev2/update.ino.bin and b/dev2/update.ino.bin differ
diff --git a/download.html b/download.html
index 8d567f3..1ea08ce 100644
--- a/download.html
+++ b/download.html
@@ -9,12 +9,16 @@
 <h2>Main repository (future...)</h2><ul>
 </ul>
 <h2>Development repository (dev2)</h2><ul>
-<li><a href="dev2/update.ino.bin">update.ino.bin</a> (Sep 2 20:53:03 2024)
+<li><a href="dev2/update.ino.bin">update.ino.bin</a> (Sep 3 10:20:12 2024)
 </li>
 
 <li><a href="dev2/update.fs.bin">update.fs.bin</a> (Aug 18 18:03:05 2024)
 </li>
 
+<li><a href="dev2/dev20240903-C3-full.bin">dev20240903-C3-full.bin</a> (Sep 3 10:20:12 2024)
+<br>sondehub dfm vs version number workaounrd
+</li>
+
 <li><a href="dev2/dev20240901gps-C3-full.bin">dev20240901gps-C3-full.bin</a> (Sep 2 20:53:03 2024)
 <br>more GPS test code -- last nmea on status; last position NMEA in status
 </li>
