diff --git a/.github/workflows/beta.yml b/.github/workflows/beta.yml
index 6768dd1..fe07e9f 100644
--- a/.github/workflows/beta.yml
+++ b/.github/workflows/beta.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        board: [esp32, esp32-s3, esp32-s3-oct, esp32-c3, esp32-c5, esp32-c6, esp32-h2, esp32-solo1, esp32-gl-s10, esp32-p4]
+        board: [esp32, esp32-nopsram, esp32-s3, esp32-s3-nopsram, esp32-s3-oct, esp32-c3, esp32-c5, esp32-c6, esp32-h2, esp32-solo1, esp32-gl-s10, esp32-p4]
         build: [release]
     env:
       BOARD: ${{ matrix.board }}
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5c4e935..26d708e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        board: [esp32, esp32-s3, esp32-s3-oct, esp32-c3, esp32-c5, esp32-c6, esp32-h2, esp32-solo1, esp32-gl-s10, esp32-p4]
+        board: [esp32, esp32-nopsram, esp32-s3, esp32-s3-nopsram, esp32-s3-oct, esp32-c3, esp32-c5, esp32-c6, esp32-h2, esp32-solo1, esp32-gl-s10, esp32-p4]
         build: [release]
     env:
       BOARD: ${{ matrix.board }}
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index ae6e08b..f5a1a33 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -34,7 +34,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        board: [esp32, esp32-s3, esp32-s3-oct, esp32-c3, esp32-c5, esp32-c6, esp32-h2, esp32-solo1, esp32-gl-s10, esp32-p4]
+        board: [esp32, esp32-nopsram, esp32-s3, esp32-s3-nopsram, esp32-s3-oct, esp32-c3, esp32-c5, esp32-c6, esp32-h2, esp32-solo1, esp32-gl-s10, esp32-p4]
         build: [release]
     env:
       BOARD: ${{ matrix.board }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bcb795b..82bba62 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        board: [esp32, esp32-s3, esp32-s3-oct, esp32-c3, esp32-c5, esp32-c6, esp32-h2, esp32-solo1, esp32-gl-s10, esp32-p4]
+        board: [esp32, esp32-nopsram, esp32-s3, esp32-s3-nopsram, esp32-s3-oct, esp32-c3, esp32-c5, esp32-c6, esp32-h2, esp32-solo1, esp32-gl-s10, esp32-p4]
         build: [release]
     env:
       BOARD: ${{ matrix.board }}
diff --git a/boards/nuki-esp32-s3-nopsram.json b/boards/nuki-esp32-s3-nopsram.json
new file mode 100644
index 0000000..6dba8fb
--- /dev/null
+++ b/boards/nuki-esp32-s3-nopsram.json
@@ -0,0 +1,50 @@
+{
+  "build": {
+    "arduino":{
+      "ldscript": "esp32s3_out.ld"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DARDUINO_ESP32S3_DEV",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [
+      [
+        "0x303A",
+        "0x1001"
+      ]
+    ],
+    "mcu": "esp32s3",
+    "variant": "esp32s3"
+  },
+  "connectivity": [
+    "bluetooth",
+    "wifi"
+  ],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": [
+      "esp-builtin"
+    ],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "ESP32-S3 (NO PSRAM)",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/hw-reference/esp32s3/user-guide-devkitc-1.html",
+  "vendor": "Espressif"
+}
diff --git a/boards/nuki-esp32dev-nopsram.json b/boards/nuki-esp32dev-nopsram.json
new file mode 100644
index 0000000..2b46cd9
--- /dev/null
+++ b/boards/nuki-esp32dev-nopsram.json
@@ -0,0 +1,37 @@
+{
+  "build": {
+    "arduino":{
+      "ldscript": "esp32_out.ld"
+    },
+    "core": "esp32",
+    "extra_flags": "-DARDUINO_ESP32_DEV",
+    "f_cpu": "240000000L",
+    "f_flash": "40000000L",
+    "flash_mode": "dio",
+    "mcu": "esp32",
+    "variant": "esp32"
+  },
+  "connectivity": [
+    "wifi",
+    "bluetooth",
+    "ethernet",
+    "can"
+  ],
+  "debug": {
+    "openocd_board": "esp-wroom-32.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "Espressif ESP32 Dev Module",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://en.wikipedia.org/wiki/ESP32",
+  "vendor": "AI Thinker"
+}
diff --git a/pio_package_post.py b/pio_package_post.py
index 4f8538b..eaf03e8 100644
--- a/pio_package_post.py
+++ b/pio_package_post.py
@@ -13,6 +13,10 @@ def get_board_name(env):
         board = 'esp32gls10'
     elif env.get('BOARD') == 'nuki-esp32-s3-oct':
         board = 'esp32s3oct'
+    elif env.get('BOARD') == 'nuki-esp32-s3-nopsram':
+        board = 'esp32s3nopsram'
+    elif env.get('BOARD') == 'nuki-esp32dev-nopsram':
+        board = 'esp32nopsram'          
     return board
 
 def create_target_dir(env):
diff --git a/platformio.ini b/platformio.ini
index 34fca70..808c99c 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -77,11 +77,22 @@ build_flags =
     -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_NONE
     -DNUKI_HUB_HTTPS_SERVER
 
+[env:esp32-nopsram]
+board = nuki-esp32dev-nopsram
+board_build.cmake_extra_args =
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.release.defaults;sdkconfig.defaults.esp32-nopsram"
+extra_scripts =
+    pre:pio_package_pre.py
+    post:pio_package_post.py
+build_flags =
+    ${env.build_flags}
+    -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_NONE
+
 [env:esp32-gl-s10]
 extends = env:esp32
 board = nuki-esp32gls10
 board_build.cmake_extra_args =
-    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.release.defaults;sdkconfig.defaults.esp32;sdkconfig.gls10.defaults"
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.release.defaults;sdkconfig.defaults.esp32;sdkconfig.defaults.gls10"
 build_flags =
     ${env:esp32.build_flags}
     -DNUKI_TARGET_GL_S10=y
@@ -101,6 +112,12 @@ board = nuki-esp32-s3
 board_build.cmake_extra_args =
     -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.release.defaults;sdkconfig.defaults.esp32-s3"
 
+[env:esp32-s3-nopsram]
+extends = env:esp32
+board = nuki-esp32-s3-nopsram
+board_build.cmake_extra_args =
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.release.defaults;sdkconfig.defaults.esp32-s3-nopsram"
+
 [env:esp32-s3-oct]
 extends = env:esp32
 board = nuki-esp32-s3-oct
@@ -170,11 +187,21 @@ build_flags =
     -DDEBUG_NUKIHUB
     -DNUKI_HUB_HTTPS_SERVER
 
+[env:esp32-nopsram_dbg]
+extends = env:esp32-nopsram
+custom_build = debug
+board_build.cmake_extra_args =
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.debug.defaults;sdkconfig.defaults.esp32-nopsram"
+build_flags =
+    ${env.build_flags}
+    -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG
+    -DDEBUG_NUKIHUB
+
 [env:esp32-gl-s10_dbg]
 extends = env:esp32-gl-s10
 custom_build = debug
 board_build.cmake_extra_args =
-    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.debug.defaults;sdkconfig.defaults.esp32;sdkconfig.gls10.defaults"
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.debug.defaults;sdkconfig.defaults.esp32;sdkconfig.defaults.gls10"
 build_flags =
     ${env:esp32_dbg.build_flags}
     -DNUKI_TARGET_GL_S10=y
@@ -227,6 +254,14 @@ board_build.cmake_extra_args =
 build_flags =
     ${env:esp32_dbg.build_flags}
 
+[env:esp32-s3-nopsram_dbg]
+extends = env:esp32-s3-nopsram
+custom_build = debug
+board_build.cmake_extra_args =
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.debug.defaults;sdkconfig.defaults.esp32-s3-nopsram"
+build_flags =
+    ${env:esp32-nopsram_dbg.build_flags}
+
 [env:esp32-s3-oct_dbg]
 extends = env:esp32-s3-oct
 custom_build = debug
diff --git a/resources/how-to-flash.txt b/resources/how-to-flash.txt
index 44dddbc..8f601d5 100644
--- a/resources/how-to-flash.txt
+++ b/resources/how-to-flash.txt
@@ -29,12 +29,19 @@ e000 boot_app0.bin
 10000 nuki_hub_esp32.bin
 270000 nuki_hub_updater_esp32.bin
 
+ESP32-NOPSRAM
+e000 boot_app0.bin
+1000 nuki_hub_bootloader_esp32nopsram.bin
+8000 nuki_hub_partitions_esp32nopsram.bin
+10000 nuki_hub_esp32nopsram.bin
+270000 nuki_hub_updater_esp32nopsram.bin
+
 ESP32-GL-S10
 e000 boot_app0.bin
-1000 nuki_hub_bootloader_esp32.bin
-8000 nuki_hub_partitions_esp32.bin
-10000 nuki_hub_esp32.bin
-270000 nuki_hub_updater_esp32.bin
+1000 nuki_hub_bootloader_esp32gls10.bin
+8000 nuki_hub_partitions_esp32gls10.bin
+10000 nuki_hub_esp32gls10.bin
+270000 nuki_hub_updater_esp32gls10.bin
 
 ESP32-S3
 e000 boot_app0.bin
@@ -43,6 +50,13 @@ e000 boot_app0.bin
 10000 nuki_hub_esp32s3.bin
 270000 nuki_hub_updater_esp32s3.bin
 
+ESP32-S3-NOPSRAM
+e000 boot_app0.bin
+0 nuki_hub_bootloader_esp32s3nopsram.bin
+8000 nuki_hub_partitions_esp32s3nopsram.bin
+10000 nuki_hub_esp32s3nopsram.bin
+270000 nuki_hub_updater_esp32s3nopsram.bin
+
 ESP32-S3-OCT
 e000 boot_app0.bin
 0 nuki_hub_bootloader_esp32s3oct.bin
@@ -87,10 +101,10 @@ e000 boot_app0.bin
 
 ESP32-SOLO1
 e000 boot_app0.bin
-1000 nuki_hub_bootloader_esp32-solo1.bin
-8000 nuki_hub_partitions_esp32-solo1.bin
-10000 nuki_hub_esp32-solo1.bin
-270000 nuki_hub_updater_esp32-solo1.bin
+1000 nuki_hub_bootloader_esp32solo1.bin
+8000 nuki_hub_partitions_esp32solo1.bin
+10000 nuki_hub_esp32solo1.bin
+270000 nuki_hub_updater_esp32solo1.bin
 
 Make sure the checkmarks for all files are enabled.
 
@@ -108,14 +122,22 @@ As an alternative to the Download Tools, you can also use the esptool from the E
 
 esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq keep --flash_size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32.bin 0x10000 nuki_hub_esp32.bin 0x270000 nuki_hub_updater_esp32.bin 0x8000 nuki_hub_partitions_esp32.bin
 
+## ESP32-NOPSRAM
+
+esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq keep --flash_size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32nopsram.bin 0x10000 nuki_hub_esp32nopsram.bin 0x270000 nuki_hub_updater_esp32nopsram.bin 0x8000 nuki_hub_partitions_esp32nopsram.bin
+
 ## ESP32-GL-S10
 
-esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq keep --flash_size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32.bin 0x10000 nuki_hub_esp32.bin 0x270000 nuki_hub_updater_esp32.bin 0x8000 nuki_hub_partitions_esp32.bin
+esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq keep --flash_size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32gls10.bin 0x10000 nuki_hub_esp32gls10.bin 0x270000 nuki_hub_updater_esp32gls10.bin 0x8000 nuki_hub_partitions_esp32gls10.bin
 
 ## ESP32-S3
 
 esptool.py --chip esp32s3 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq keep --flash_size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32s3.bin 0x10000 nuki_hub_esp32s3.bin 0x270000 nuki_hub_updater_esp32s3.bin 0x8000 nuki_hub_partitions_esp32s3.bin
 
+## ESP32-S3-NOPSRAM
+
+esptool.py --chip esp32s3 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq keep --flash_size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32s3nopsram.bin 0x10000 nuki_hub_esp32s3nopsram.bin 0x270000 nuki_hub_updater_esp32s3nopsram.bin 0x8000 nuki_hub_partitions_esp32s3nopsram.bin
+
 ## ESP32-S3-OCT
 
 esptool.py --chip esp32s3 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq keep --flash_size detect 0xe000 boot_app0.bin 0x0 nuki_hub_bootloader_esp32s3oct.bin 0x10000 nuki_hub_esp32s3oct.bin 0x270000 nuki_hub_updater_esp32s3oct.bin 0x8000 nuki_hub_partitions_esp32s3oct.bin
@@ -142,6 +164,6 @@ esptool.py --chip esp32p4 --port /dev/ttyUSB0 --baud 921600 --before default_res
 
 ## ESP32-SOLO1
 
-esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq keep --flash_size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32-solo1.bin 0x10000 nuki_hub_esp32-solo1.bin 0x270000 nuki_hub_updater_esp32-solo1.bin 0x8000 nuki_hub_partitions_esp32-solo1.bin
+esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq keep --flash_size detect 0xe000 boot_app0.bin 0x1000 nuki_hub_bootloader_esp32solo1.bin 0x10000 nuki_hub_esp32solo1.bin 0x270000 nuki_hub_updater_esp32solo1.bin 0x8000 nuki_hub_partitions_esp32solo1.bin
 
 Adjust the serial device and path to the binaries if necessary.
\ No newline at end of file
diff --git a/sdkconfig.defaults.esp32-nopsram b/sdkconfig.defaults.esp32-nopsram
new file mode 100644
index 0000000..92f4d3b
--- /dev/null
+++ b/sdkconfig.defaults.esp32-nopsram
@@ -0,0 +1 @@
+CONFIG_SPIRAM=n
\ No newline at end of file
diff --git a/sdkconfig.defaults.esp32-s3-nopsram b/sdkconfig.defaults.esp32-s3-nopsram
new file mode 100644
index 0000000..92f4d3b
--- /dev/null
+++ b/sdkconfig.defaults.esp32-s3-nopsram
@@ -0,0 +1 @@
+CONFIG_SPIRAM=n
\ No newline at end of file
diff --git a/sdkconfig.gls10.defaults b/sdkconfig.defaults.gls10
similarity index 100%
rename from sdkconfig.gls10.defaults
rename to sdkconfig.defaults.gls10
diff --git a/src/Config.h b/src/Config.h
index a2bf009..ff3b052 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -56,9 +56,11 @@
 #define GITHUB_MASTER_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_updater_esp32s3oct.bin"
 #define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32s3.bin"
 #define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32s3.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32s3nopsram.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32s3nopsram.bin"
 #define NUKI_HUB_HW (char*)"ESP32-S3 (Octal PSRAM)"
 #define BOOT_BUTTON_GPIO (gpio_num_t)0
-#else
+#elif defined(CONFIG_SPIRAM)
 #define GITHUB_LATEST_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32s3.bin"
 #define GITHUB_LATEST_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32s3.bin"
 #define GITHUB_BETA_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_esp32s3.bin"
@@ -73,8 +75,29 @@
 #define GITHUB_MASTER_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_updater_esp32s3.bin"
 #define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32s3oct.bin"
 #define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32s3oct.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32s3nopsram.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32s3nopsram.bin"
 #define NUKI_HUB_HW (char*)"ESP32-S3"
 #define BOOT_BUTTON_GPIO (gpio_num_t)0
+#else
+#define GITHUB_LATEST_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32s3nopsram.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32s3nopsram.bin"
+#define GITHUB_BETA_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_esp32s3nopsram.bin"
+#define GITHUB_BETA_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_updater_esp32s3nopsram.bin"
+#define GITHUB_MASTER_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/master/nuki_hub_esp32s3nopsram.bin"
+#define GITHUB_MASTER_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/master/nuki_hub_updater_esp32s3nopsram.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/nuki_hub_esp32s3nopsram.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/nuki_hub_updater_esp32s3nopsram.bin"
+#define GITHUB_BETA_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/beta/nuki_hub_esp32s3nopsram.bin"
+#define GITHUB_BETA_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/beta/nuki_hub_updater_esp32s3nopsram.bin"
+#define GITHUB_MASTER_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_esp32s3nopsram.bin"
+#define GITHUB_MASTER_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_updater_esp32s3nopsram.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32s3.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32s3.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32s3oct.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32s3oct.bin"
+#define NUKI_HUB_HW (char*)"ESP32-S3 (No PSRAM)"
+#define BOOT_BUTTON_GPIO (gpio_num_t)0
 #endif
 #elif defined(CONFIG_IDF_TARGET_ESP32C5)
 #define GITHUB_LATEST_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32c5.bin"
@@ -123,7 +146,7 @@
 #define BOOT_BUTTON_GPIO (gpio_num_t)9
 #else
 #if defined(CONFIG_FREERTOS_UNICORE)
-#define GITHUB_LATEST_RELEASE_BINARY_URL "https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32-solo1.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32-solo1.bin"
 #define GITHUB_LATEST_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32-solo1.bin"
 #define GITHUB_BETA_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_esp32-solo1.bin"
 #define GITHUB_BETA_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_updater_esp32-solo1.bin"
@@ -138,24 +161,26 @@
 #define NUKI_HUB_HW (char*)"ESP32-SOLO1"
 #define BOOT_BUTTON_GPIO (gpio_num_t)0
 #elif defined(NUKI_TARGET_GL_S10)
-#define GITHUB_LATEST_RELEASE_BINARY_URL "https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32-gl-s10.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32gls10.bin"
 #define GITHUB_LATEST_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32gls10.bin"
-#define GITHUB_BETA_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_esp32-gl-s10.bin"
+#define GITHUB_BETA_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_esp32gls10.bin"
 #define GITHUB_BETA_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_updater_esp32gls10.bin"
-#define GITHUB_MASTER_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/master/nuki_hub_esp32-gl-s10.bin"
+#define GITHUB_MASTER_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/master/nuki_hub_esp32gls10.bin"
 #define GITHUB_MASTER_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/master/nuki_hub_updater_esp32gls10.bin"
-#define GITHUB_LATEST_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/nuki_hub_esp32-gl-s10.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/nuki_hub_esp32gls10.bin"
 #define GITHUB_LATEST_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/nuki_hub_updater_esp32gls10.bin"
-#define GITHUB_BETA_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/beta/nuki_hub_esp32-gl-s10.bin"
+#define GITHUB_BETA_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/beta/nuki_hub_esp32gls10.bin"
 #define GITHUB_BETA_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/beta/nuki_hub_updater_esp32gls10.bin"
-#define GITHUB_MASTER_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_esp32-gl-s10.bin"
+#define GITHUB_MASTER_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_esp32gls10.bin"
 #define GITHUB_MASTER_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_updater_esp32gls10.bin"
 #define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32.bin"
 #define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32nopsram.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32nopsram.bin"
 #define NUKI_HUB_HW (char*)"ESP32-GL-S10"
 #define BOOT_BUTTON_GPIO (gpio_num_t)0
-#else
-#define GITHUB_LATEST_RELEASE_BINARY_URL "https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32.bin"
+#elif defined(CONFIG_SPIRAM)
+#define GITHUB_LATEST_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32.bin"
 #define GITHUB_LATEST_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32.bin"
 #define GITHUB_BETA_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_esp32.bin"
 #define GITHUB_BETA_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_updater_esp32.bin"
@@ -167,10 +192,31 @@
 #define GITHUB_BETA_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/beta/nuki_hub_updater_esp32.bin"
 #define GITHUB_MASTER_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_esp32.bin"
 #define GITHUB_MASTER_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_updater_esp32.bin"
-#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32-gl-s10.bin"
-#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32gls10.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32gls10.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32nopsram.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32nopsram.bin"
 #define NUKI_HUB_HW (char*)"ESP32"
 #define BOOT_BUTTON_GPIO (gpio_num_t)0
+#else
+#define GITHUB_LATEST_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32nopsram.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32nopsram.bin"
+#define GITHUB_BETA_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_esp32nopsram.bin"
+#define GITHUB_BETA_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/beta/nuki_hub_updater_esp32nopsram.bin"
+#define GITHUB_MASTER_RELEASE_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/master/nuki_hub_esp32nopsram.bin"
+#define GITHUB_MASTER_UPDATER_BINARY_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/master/nuki_hub_updater_esp32nopsram.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/nuki_hub_esp32nopsram.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/nuki_hub_updater_esp32nopsram.bin"
+#define GITHUB_BETA_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/beta/nuki_hub_esp32nopsram.bin"
+#define GITHUB_BETA_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/beta/nuki_hub_updater_esp32nopsram.bin"
+#define GITHUB_MASTER_RELEASE_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_esp32nopsram.bin"
+#define GITHUB_MASTER_UPDATER_BINARY_URL_DBG (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/debug/master/nuki_hub_updater_esp32nopsram.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32.bin"
+#define GITHUB_LATEST_RELEASE_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_esp32gls10.bin"
+#define GITHUB_LATEST_UPDATER_BINARY_URL_OTHER2 (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/nuki_hub_updater_esp32gls10.bin"
+#define NUKI_HUB_HW (char*)"ESP32 (No PSRAM)"
+#define BOOT_BUTTON_GPIO (gpio_num_t)0
 #endif
 #endif
 
diff --git a/src/WebCfgServer.cpp b/src/WebCfgServer.cpp
index 4576b46..8dec350 100644
--- a/src/WebCfgServer.cpp
+++ b/src/WebCfgServer.cpp
@@ -7,7 +7,7 @@
 #include "FS.h"
 #include "SPIFFS.h"
 #include "esp_random.h"
-#ifdef CONFIG_SOC_SPIRAM_SUPPORTED
+#if defined(CONFIG_SOC_SPIRAM_SUPPORTED) && defined(CONFIG_SPIRAM)
 #include "esp_psram.h"
 #endif
 #ifdef NUKI_HUB_HTTPS_SERVER
@@ -1634,7 +1634,7 @@ esp_err_t WebCfgServer::buildOtaHtml(PsychicRequest *request, PsychicResponse* r
     response.print("<form onsubmit=\"if(document.getElementById('currentver').innerHTML == document.getElementById('latestver').innerHTML && '" + release_type + "' == '" + build_type + "') { alert('You are already on this version, build and build type'); return false; } else { return confirm('Do you really want to update to the latest release?'); } \" action=\"/get\" method=\"get\" style=\"float: left; margin-right: 10px\"><input type=\"hidden\" name=\"page\" value=\"autoupdate\"><input type=\"hidden\" name=\"release\" value=\"1\" /><input type=\"hidden\" name=\"" + release_type + "\" value=\"1\" /><input type=\"hidden\" name=\"CONFIRMTOKEN\" value=\"" + _confirmCode + "\" /><br><input type=\"submit\" style=\"background: green\" value=\"Update to latest release\"></form>");
     response.print("<form onsubmit=\"if(document.getElementById('currentver').innerHTML == document.getElementById('betaver').innerHTML && '" + release_type + "' == '" + build_type + "') { alert('You are already on this version, build and build type'); return false; } else { return confirm('Do you really want to update to the latest beta? This version could contain breaking bugs and necessitate downgrading to the latest release version using USB/Serial'); }\" action=\"/get\" method=\"get\" style=\"float: left; margin-right: 10px\"><input type=\"hidden\" name=\"page\" value=\"autoupdate\"><input type=\"hidden\" name=\"beta\" value=\"1\" /><input type=\"hidden\" name=\"" + release_type + "\" value=\"1\" /><input type=\"hidden\" name=\"CONFIRMTOKEN\" value=\"" + _confirmCode + "\" /><br><input type=\"submit\" style=\"color: black; background: yellow\"  value=\"Update to latest beta\"></form>");
     response.print("<form onsubmit=\"if(document.getElementById('currentver').innerHTML == document.getElementById('devver').innerHTML && '" + release_type + "' == '" + build_type + "') { alert('You are already on this version, build and build type'); return false; } else { return confirm('Do you really want to update to the latest development version? This version could contain breaking bugs and necessitate downgrading to the latest release version using USB/Serial'); }\" action=\"/get\" method=\"get\" style=\"float: left; margin-right: 10px\"><input type=\"hidden\" name=\"page\" value=\"autoupdate\"><input type=\"hidden\" name=\"master\" value=\"1\" /><input type=\"hidden\" name=\"" + release_type + "\" value=\"1\" /><input type=\"hidden\" name=\"CONFIRMTOKEN\" value=\"" + _confirmCode + "\" /><br><input type=\"submit\" style=\"background: red\"  value=\"Update to latest development version\"></form>");
-    #if defined(CONFIG_IDF_TARGET_ESP32S3)
+    #if defined(CONFIG_SOC_SPIRAM_SUPPORTED) && defined(CONFIG_SPIRAM)
     if(esp_psram_get_size() <= 0)
     {
         response.print("<form onsubmit=\"return confirm('Do you really want to update to the latest release?');\" action=\"/get\" method=\"get\" style=\"float: left; margin-right: 10px\"><input type=\"hidden\" name=\"page\" value=\"autoupdate\"><input type=\"hidden\" name=\"other\" value=\"1\" /><input type=\"hidden\" name=\"release\" value=\"1\" /><input type=\"hidden\" name=\"CONFIRMTOKEN\" value=\"" + _confirmCode + "\" /><br><input type=\"submit\" style=\"background: blue\"  value=\"Update to other PSRAM release version\"></form>");
@@ -5937,7 +5937,7 @@ esp_err_t WebCfgServer::buildInfoHtml(PsychicRequest *request, PsychicResponse*
     response.print(ESP.getFreeHeap());
     response.print("\nTotal internal heap: ");
     response.print(ESP.getHeapSize());
-    #ifdef CONFIG_SOC_SPIRAM_SUPPORTED
+    #if defined(CONFIG_SOC_SPIRAM_SUPPORTED) && defined(CONFIG_SPIRAM)
     if(esp_psram_get_size() > 0)
     {
         response.print("\nPSRAM Available: Yes");
diff --git a/src/idf_component.yml b/src/idf_component.yml
index 308ab67..80d9dba 100644
--- a/src/idf_component.yml
+++ b/src/idf_component.yml
@@ -1,6 +1,6 @@
 dependencies:
   # Required IDF version
-  idf: ">=5.2"
+  idf: ">=5.5"
 
   esp-nimble-cpp:
     git: https://github.com/h2zero/esp-nimble-cpp.git
diff --git a/src/main.cpp b/src/main.cpp
index fcd6c10..86efc9b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -20,7 +20,7 @@ bool nuki_hub_https_server_enabled = true;
 #else
 bool nuki_hub_https_server_enabled = false;
 #endif
-#ifdef CONFIG_SOC_SPIRAM_SUPPORTED
+#if defined(CONFIG_SOC_SPIRAM_SUPPORTED) && defined(CONFIG_SPIRAM)
 #include "esp_psram.h"
 #endif
 
@@ -625,7 +625,7 @@ void nukiTask(void *pvParameters)
 {
     if (preferences->getBool(preference_mqtt_ssl_enabled, false))
     {
-        #ifdef CONFIG_SOC_SPIRAM_SUPPORTED
+        #if defined(CONFIG_SOC_SPIRAM_SUPPORTED) && defined(CONFIG_SPIRAM)
         if (esp_psram_get_size() <= 0)
         {
             Log->println("Waiting 20 seconds to start BLE because of MQTT SSL");
@@ -1040,7 +1040,7 @@ void logCoreDump()
 
 void setup()
 {
-    #ifdef CONFIG_SOC_SPIRAM_SUPPORTED
+    #if defined(CONFIG_SOC_SPIRAM_SUPPORTED) && defined(CONFIG_SPIRAM)
     #ifndef FORCE_NUKI_HUB_HTTPS_SERVER
     if(esp_psram_get_size() <= 0)
     {
diff --git a/src/networkDevices/EthernetDevice.cpp b/src/networkDevices/EthernetDevice.cpp
index 83ae97a..9319b95 100644
--- a/src/networkDevices/EthernetDevice.cpp
+++ b/src/networkDevices/EthernetDevice.cpp
@@ -101,7 +101,11 @@ void EthernetDevice::initialize()
         // https://github.com/arendst/Tasmota/commit/f8fbe153000591727e40b5007e0de78c33833131
         // https://github.com/arendst/Tasmota/commit/f8fbe153000591727e40b5007e0de78c33833131#diff-32fc0eefbf488dd507b3bef52189bbe37158737aba6f96fe98a8746dc5021955R417
         uint32_t pkg_version = bootloader_common_get_chip_ver_pkg();
+        #if defined(CONFIG_SOC_SPIRAM_SUPPORTED) && defined(CONFIG_SPIRAM)
         if(esp_psram_get_size() <= 0 && pkg_version <= 3)
+        #else
+        if(pkg_version <= 3)
+        #endif
         {
             esp_gpio_revoke(0xFFFFFFFFFFFFFFFF);
         }
diff --git a/updater/pio_package_post.py b/updater/pio_package_post.py
index 2bb6416..5f757a4 100644
--- a/updater/pio_package_post.py
+++ b/updater/pio_package_post.py
@@ -12,6 +12,10 @@ def get_board_name(env):
         board = 'esp32gls10'
     elif env.get('BOARD') == 'nuki-esp32-s3-oct':
         board = 'esp32s3oct'
+    elif env.get('BOARD') == 'nuki-esp32-s3-nopsram':
+        board = 'esp32s3nopsram'
+    elif env.get('BOARD') == 'nuki-esp32dev-nopsram':
+        board = 'esp32nopsram'        
     return board
 
 def create_target_dir(env):
diff --git a/updater/platformio.ini b/updater/platformio.ini
index 014c1f4..5325cbf 100644
--- a/updater/platformio.ini
+++ b/updater/platformio.ini
@@ -70,11 +70,21 @@ build_flags =
     ${env.build_flags}
     -DNUKI_HUB_HTTPS_SERVER
 
+[env:updater_esp32-nopsram]
+board = nuki-esp32dev-nopsram
+extra_scripts = 
+     pre:pio_package_pre.py
+     post:pio_package_post.py
+board_build.cmake_extra_args =
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.defaults.esp32-nopsram"
+build_flags =
+    ${env.build_flags}
+
 [env:updater_esp32-gl-s10]
 extends = env:updater_esp32
 board = nuki-esp32gls10
 board_build.cmake_extra_args =
-    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.defaults.esp32;sdkconfig.gls10.defaults"
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.defaults.esp32;sdkconfig.defaults.gls10"
 build_flags =
     ${env:updater_esp32.build_flags}
     -DNUKI_TARGET_GL_S10=y
@@ -91,6 +101,12 @@ board = nuki-esp32-s3
 board_build.cmake_extra_args =
     -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.defaults.esp32-s3"
 
+[env:updater_esp32-s3-nopsram]
+extends = env:updater_esp32-nopsram
+board = nuki-esp32-s3-nopsram
+board_build.cmake_extra_args =
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.defaults.esp32-s3-nopsram"
+
 [env:updater_esp32-s3-oct]
 extends = env:updater_esp32
 board = nuki-esp32-s3-oct
diff --git a/updater/sdkconfig.defaults.esp32-nopsram b/updater/sdkconfig.defaults.esp32-nopsram
new file mode 100644
index 0000000..92f4d3b
--- /dev/null
+++ b/updater/sdkconfig.defaults.esp32-nopsram
@@ -0,0 +1 @@
+CONFIG_SPIRAM=n
\ No newline at end of file
diff --git a/updater/sdkconfig.defaults.esp32-s3-nopsram b/updater/sdkconfig.defaults.esp32-s3-nopsram
new file mode 100644
index 0000000..92f4d3b
--- /dev/null
+++ b/updater/sdkconfig.defaults.esp32-s3-nopsram
@@ -0,0 +1 @@
+CONFIG_SPIRAM=n
\ No newline at end of file
diff --git a/updater/sdkconfig.gls10.defaults b/updater/sdkconfig.defaults.gls10
similarity index 100%
rename from updater/sdkconfig.gls10.defaults
rename to updater/sdkconfig.defaults.gls10
diff --git a/updater/src/idf_component.yml b/updater/src/idf_component.yml
index 2bf3442..52f8774 100644
--- a/updater/src/idf_component.yml
+++ b/updater/src/idf_component.yml
@@ -1,9 +1,9 @@
 dependencies:
   # Required IDF version
-  idf: ">=5.2"
+  idf: ">=5.5"
 
   espressif/esp_hosted:
-    version: "*"
+    version: 2.0.10
     rules:
       - if: "target in [esp32p4]"