Index: firmware/App/Modes/ModeUpdate.h
===================================================================
diff -u -rabb9687e52d9db5df1abe7626ba04a6d431ba823 -r5acce83ec629eff9621c0193fae57b7b63ad8de8
--- firmware/App/Modes/ModeUpdate.h	(.../ModeUpdate.h)	(revision abb9687e52d9db5df1abe7626ba04a6d431ba823)
+++ firmware/App/Modes/ModeUpdate.h	(.../ModeUpdate.h)	(revision 5acce83ec629eff9621c0193fae57b7b63ad8de8)
@@ -1,13 +1,44 @@
-/*
- * ModeUpdate.h
- *
- *  Created on: Jul 31, 2024
- *      Author: fw
- */
+/**************************************************************************
+*
+* Copyright (c) 2024-2026 Diality Inc. - All Rights Reserved.
+*
+* THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
+* WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
+*
+* @file    ModeUpdate.h
+*
+* @author  (last)      Dara Navaei
+* @date    (last)      21-Jan-2026
+*
+* @author  (original)  Dara Navaei
+* @date    (original)  01-Aug-2024
+*
+***************************************************************************/
 
 #ifndef _MODEUPDATE_H__
 #define _MODEUPDATE_H__
 
+#include "BLCommon.h"
 
+/**
+ *  @defgroup UpdateMode UpdateMode
+ *  @brief Update mode unit. Manages the Update mode functions via a state
+ *  machine.
+ *
+ *  @addtogroup UpdateMode
+ *  @{
+ */
 
+// ********** public definitions **********
+
+// ********** public function prototypes **********
+
+void initUpdateMode( void );
+
+U32 transitionToUpdateMode( void );
+
+U32 execUpdateMode( void );
+
+/**@}*/
+
 #endif