From 7b1fa550a1bcb424fa6b6f4e42c84fd8f0a40030 Mon Sep 17 00:00:00 2001
From: Ben Meadors <benmmeadors@gmail.com>
Date: Fri, 30 Jan 2026 06:35:36 -0600
Subject: [PATCH] Fix OTA filename determination to use unified format for
 ESP32

---
 bin/device-install.bat | 12 ++----------
 bin/device-install.sh  | 10 ++--------
 2 files changed, 4 insertions(+), 18 deletions(-)

diff --git a/bin/device-install.bat b/bin/device-install.bat
index c200a3201..69469d581 100755
--- a/bin/device-install.bat
+++ b/bin/device-install.bat
@@ -156,16 +156,8 @@ IF %BPS_RESET% EQU 1 (
 SET "PROGNAME=!FILENAME:.factory.bin=!"
 CALL :LOG_MESSAGE DEBUG "Computed PROGNAME: !PROGNAME!"
 
-IF "__!MCU!__" == "__esp32s3__" (
-    @REM We are working with ESP32-S3
-    SET "OTA_FILENAME=bleota-s3.bin"
-) ELSE IF "__!MCU!__" == "__esp32c3__" (
-    @REM We are working with ESP32-C3
-    SET "OTA_FILENAME=bleota-c3.bin"
-) ELSE (
-    @REM Everything else
-    SET "OTA_FILENAME=bleota.bin"
-)
+@REM Determine OTA filename based on MCU type (unified OTA format)
+SET "OTA_FILENAME=mt-!MCU!-ota.bin"
 CALL :LOG_MESSAGE DEBUG "Set OTA_FILENAME to: !OTA_FILENAME!"
 
 @REM Set SPIFFS filename with "littlefs-" prefix.
diff --git a/bin/device-install.sh b/bin/device-install.sh
index 49427524e..52a848c38 100755
--- a/bin/device-install.sh
+++ b/bin/device-install.sh
@@ -131,14 +131,8 @@ if [[ -f "$FILENAME" && "$FILENAME" == *.factory.bin ]]; then
         exit 1
     fi
 
-    # Determine OTA filename based on MCU type
-    if [ "$MCU" == "esp32s3" ]; then
-        OTAFILE=bleota-s3.bin
-    elif [ "$MCU" == "esp32c3" ]; then
-        OTAFILE=bleota-c3.bin
-    else
-        OTAFILE=bleota.bin
-    fi
+    # Determine OTA filename based on MCU type (unified OTA format)
+    OTAFILE="mt-${MCU}-ota.bin"
 
     # Set SPIFFS filename with "littlefs-" prefix.
     SPIFFSFILE="littlefs-${PROGNAME/firmware-/}.bin"