diff --git a/dev2/dev20241229-C3-changelog.txt b/dev2/dev20241229-C3-changelog.txt
new file mode 100644
index 00000000..07e6dc94
--- /dev/null
+++ b/dev2/dev20241229-C3-changelog.txt
@@ -0,0 +1 @@
+update push script
diff --git a/dev2/dev20241229-C3-full.bin b/dev2/dev20241229-C3-full.bin
new file mode 100644
index 00000000..b802ce36
Binary files /dev/null and b/dev2/dev20241229-C3-full.bin differ
diff --git a/dev2/update-info.html b/dev2/update-info.html
index 50fb0b34..21ead420 100644
--- a/dev2/update-info.html
+++ b/dev2/update-info.html
@@ -1 +1 @@
-<html><body><p>dev20241225-C3</p></body></html>
+<html><body><p>dev20241229-C3</p></body></html>
diff --git a/dev2/update.ino.bin b/dev2/update.ino.bin
index 4c79ee92..2e546a6e 100644
Binary files a/dev2/update.ino.bin and b/dev2/update.ino.bin differ
diff --git a/download.html b/download.html
index fb52b3c8..ef4e8639 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> (Dec 29 20:58:06 2024)
+<li><a href="dev2/update.ino.bin">update.ino.bin</a> (Dec 29 21:51:00 2024)
 </li>
 
 <li><a href="dev2/update.fs.bin">update.fs.bin</a> (Dec 26 00:20:43 2024)
 </li>
 
+<li><a href="dev2/dev20241229-C3-full.bin">dev20241229-C3-full.bin</a> (Dec 29 21:51:00 2024)
+<br>update push script
+</li>
+
 <li><a href="dev2/dev20241225-C3-full.bin">dev20241225-C3-full.bin</a> (Dec 29 20:58:06 2024)
 <br>update push script; update push script
 </li>
