diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 239d2fb..4507c42 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -17,7 +17,7 @@ jobs:
         # obname: onboard image (bootloader + partitions + firmware + littlefs merged)
         #         for flashing a new chip via USB/serial
         # addr_bootloader: chip-dependent (ESP32: 0x1000, C3/S3: 0x0)
-        # addr_fs: must match spiffs/littlefs offset in huge_app.csv
+        # addr_fs: must match spiffs/littlefs offset in esp32_3MB.csv
         include:
           - env: esp32dev
             name: ESP32
@@ -39,7 +39,7 @@ jobs:
             name: ESP32-S3
             chip: ESP32-S3
             addr_bootloader: "0x0"
-            addr_fs: "0x310000"
+            addr_fs: "0x670000"
             fwname: SomfyController.ino.esp32s3.bin
             fsname: SomfyController.littlefs.esp32s3.bin
             obname: SomfyController.onboard.esp32s3.bin
diff --git a/esp32_3MB.csv b/esp32_3MB.csv
new file mode 100644
index 0000000..9457d66
--- /dev/null
+++ b/esp32_3MB.csv
@@ -0,0 +1,6 @@
+# Name,   Type, SubType,  Offset,    Size
+nvs,      data, nvs,      0x9000,    0x5000
+otadata,  data, ota,      0xE000,    0x2000
+app0,     app,  ota_0,    0x10000,   0x180000
+app1,     app,  ota_1,    0x190000,  0x180000
+spiffs,   data, spiffs,   0x310000,  0x0F0000
diff --git a/huge_app.csv b/huge_app.csv
deleted file mode 100644
index 1d00925..0000000
--- a/huge_app.csv
+++ /dev/null
@@ -1,6 +0,0 @@
-# Name,   Type, SubType, Offset,  Size, Flags
-nvs,      data, nvs,     0x9000,  0x5000,
-otadata,  data, ota,     0xe000,  0x2000,
-app0,     app,  ota_0,   0x10000, 0x300000,
-spiffs,   data, spiffs,  0x310000,0xE0000,
-coredump, data, coredump,0x3F0000,0x10000,
diff --git a/min_spiffs.csv b/min_spiffs.csv
deleted file mode 100644
index 0990a3b..0000000
--- a/min_spiffs.csv
+++ /dev/null
@@ -1,7 +0,0 @@
-# Name,   Type, SubType, Offset,  Size, Flags
-nvs,      data, nvs,     0x9000,  0x5000,
-otadata,  data, ota,     0xe000,  0x2000,
-app0,     app,  ota_0,   0x10000, 0x1E0000,
-app1,     app,  ota_1,   0x1F0000,0x1E0000,
-spiffs,   data, spiffs,  0x3D0000,0x20000,
-coredump, data, coredump,0x3F0000,0x10000,
diff --git a/platformio.ini b/platformio.ini
index 7a6d3b9..71b34e1 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -23,10 +23,10 @@ lib_deps =
 extra_scripts = 
 	pre:minify.py
 	post:archive_elf.py
-board_build.partitions = huge_app.csv
+
 board_build.filesystem = littlefs
 build_flags = 
-	-DCORE_DEBUG_LEVEL=3
+	-DCORE_DEBUG_LEVEL=1
 	-DCONFIG_ESP_COREDUMP_ENABLE_TO_FLASH=1
 	-DCONFIG_ESP_COREDUMP_DATA_FORMAT_ELF=1
 	-DCONFIG_ESP_COREDUMP_CHECKSUM_CRC32=1
@@ -40,13 +40,16 @@ monitor_filters =
 
 [env:esp32dev]
 board = esp32dev
+board_build.partitions = esp32_3MB.csv
 
 [env:esp32devdbg]
 board = esp32dev
 build_type = debug
+board_build.partitions = esp32_3MB.csv
 
 [env:esp32c3]
 board = esp32-c3-devkitm-1
+board_build.partitions = esp32_3MB.csv
 
 [env:esp32s3]
 board = esp32-s3-devkitc-1