Bosch Room Thermostat II 230V (BTH-RM230Z): Add firmware v0.3.9 from …

[akarikuu]

The release information from July 14th talk about this version 0.3.9 but the most interesting feature are already mentioned in the release information from February 17th.

Room thermostat II / Room thermostat II 230 V

Option to change the brightness setting of the device display using automations.
Option to deactivate the humidity warning via the device’s LEDs.
Option to activate limescale protection (only Room thermostat II 230 V).

• https://www.bosch-smarthome.com/gb/en/support/release-information/system-solutions/2026-02-17.html
• https://www.bosch-smarthome.com/gb/en/support/release-information/system-solutions/2026-07-14.html

{
    "fileName": "ota_t0x3011_m0x1209_v0x03096a90.ota",
    "releaseNotes": "Option to change the brightness setting of the device display using automations.\nOption to deactivate the humidity warning via the device’s LEDs.\nOption to activate limescale protection (only Room thermostat II 230 V).\nRoom thermostat II 230 V (0.3.9): Bug fix: The decalcification protection is now also active in heating break/Off mode."
}

[github-actions]

Merging this pull request will add these changes in a following commit:

diff --git a/images/Bosch/ota_t0x3011_m0x1209_v0x03086a90.ota b/images/Bosch/ota_t0x3011_m0x1209_v0x03086a90.ota
deleted file mode 100644
index ac1ee28..0000000
Binary files a/images/Bosch/ota_t0x3011_m0x1209_v0x03086a90.ota and /dev/null differ
diff --git a/images1/Bosch/0x1209_0x3011_0x03076a30.ota b/images1/Bosch/0x1209_0x3011_0x03076a30.ota
deleted file mode 100644
index fb3614d..0000000
Binary files a/images1/Bosch/0x1209_0x3011_0x03076a30.ota and /dev/null differ
diff --git a/index.json b/index.json
index 3dcde21..3f428fc 100644
--- a/index.json
+++ b/index.json
@@ -6101,17 +6101,6 @@
     "otaHeaderString": "RTH2_BAT",
     "releaseNotes": "New bootloader"
   },
-  {
-    "fileName": "ota_t0x3011_m0x1209_v0x03086a90.ota",
-    "fileVersion": 50883216,
-    "fileSize": 279314,
-    "url": "https://raw.githubusercontent.com/Koenkk/zigbee-OTA/master/images/Bosch/ota_t0x3011_m0x1209_v0x03086a90.ota",
-    "imageType": 12305,
-    "manufacturerCode": 4617,
-    "sha512": "c36b0e5ea3119f89e6d34d09e294b27c999d401221bb336dcbdbf52445f6ed4e8290428135be83393e17b9f78e4539402cd026d61e7ee5f815ade69b3f05761b",
-    "otaHeaderString": "RTH2_230",
-    "releaseNotes": "New bootloader and support for connection to a central heating system"
-  },
   {
     "fileName": "A60_DIM_T-0x00CD-0x03483712-MF_DIS.OTA",
     "fileVersion": 55064338,
@@ -10376,5 +10365,16 @@
     "manufacturerCode": 5127,
     "sha512": "8c056b1fa0c5ac514acbb9df9e73fb003af2f08e7457eee0430d5ac4378cab559248068c2a6857d07f8627b2dd8163f88d9dd108260bd638b76fd2127762b4dd",
     "otaHeaderString": "temp_humi_sensor"
+  },
+  {
+    "fileName": "ota_t0x3011_m0x1209_v0x03096a90.ota",
+    "fileVersion": 50948752,
+    "fileSize": 269118,
+    "url": "https://raw.githubusercontent.com/Koenkk/zigbee-OTA/master/images/Bosch/ota_t0x3011_m0x1209_v0x03096a90.ota",
+    "imageType": 12305,
+    "manufacturerCode": 4617,
+    "sha512": "e9105a587ee9f518eb668ab47f8c79e05e1333e1320ee38bfd931198269d017a704931852468a1da6e912d5b041cf24fb42b863770f2eea086c56b4837e999e4",
+    "otaHeaderString": "RTH2_230",
+    "releaseNotes": "Option to change the brightness setting of the device display using automations.\nOption to deactivate the humidity warning via the device’s LEDs.\nOption to activate limescale protection (only Room thermostat II 230 V).\nRoom thermostat II 230 V (0.3.9): Bug fix: The decalcification protection is now also active in heating break/Off mode."
   }
 ]
\ No newline at end of file
diff --git a/index1.json b/index1.json
index 7a4c9ae..b549d10 100644
--- a/index1.json
+++ b/index1.json
@@ -1556,16 +1556,6 @@
     "sha512": "901d7b98b3448df06ba0e87465b9140d80e0ef41cdb2c1880c9788a562bcfefd3cd306f2f737007c7f96ad02b3d230391d0d88940ef9c9e976c792bc80d935d2",
     "otaHeaderString": "RTH2_230"
   },
-  {
-    "fileName": "0x1209_0x3011_0x03076a30.ota",
-    "fileVersion": 50817584,
-    "fileSize": 264354,
-    "url": "https://raw.githubusercontent.com/Koenkk/zigbee-OTA/master/images1/Bosch/0x1209_0x3011_0x03076a30.ota",
-    "imageType": 12305,
-    "manufacturerCode": 4617,
-    "sha512": "63f232232252af0fbb3c4cc2efe2ce2564101405de4923238c71ccef2e66e6abef022deee45399a886af4019dfce64fdea969ff60f5b4b854e222b5ffcf7bcc2",
-    "otaHeaderString": "RTH2_230"
-  },
   {
     "fileName": "DIM-A60_DIM_T-0x00CD-0x03203660.OTA",
     "fileVersion": 52442720,
@@ -3909,5 +3899,16 @@
     "manufacturerCode": 4742,
     "sha512": "aa17174b8bd95fd02575c3e9c5cbb57163cd917e0cc05244d6840ebe45b8bf0f211a795e2946a18b717667d46061196051a6ed9915df17db098481cf30497fd3",
     "otaHeaderString": "EBL FWPLUG_MINIZB1GSP_ELECTRICAL"
+  },
+  {
+    "fileName": "ota_t0x3011_m0x1209_v0x03086a90.ota",
+    "fileVersion": 50883216,
+    "fileSize": 279314,
+    "url": "https://raw.githubusercontent.com/Koenkk/zigbee-OTA/master/images1/Bosch/ota_t0x3011_m0x1209_v0x03086a90.ota",
+    "imageType": 12305,
+    "manufacturerCode": 4617,
+    "sha512": "c36b0e5ea3119f89e6d34d09e294b27c999d401221bb336dcbdbf52445f6ed4e8290428135be83393e17b9f78e4539402cd026d61e7ee5f815ade69b3f05761b",
+    "otaHeaderString": "RTH2_230",
+    "releaseNotes": "New bootloader and support for connection to a central heating system"
   }
 ]
\ No newline at end of file

[Koenkk]

Thanks!