diff --git a/platformio.ini b/platformio.ini
index b2b2b1c8..cd2e7e41 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1382,6 +1382,8 @@ build_flags = ${esp32_4MB_M_base.build_flags}
 
 [env:esp32_4MB_M_eth]
 extends = esp32_4MB_M_base
+;;board_build.partitions = ${esp32.default_partitions}
+board_build.partitions = ${esp32.extended_partitions}  ;; 1.65MB firmware, 700KB filesystem
 build_flags = ${esp32_4MB_M_base.build_flags}
   -D WLED_RELEASE_NAME=esp32_4MB_M_eth
   -D WLED_USE_ETHERNET
@@ -1751,7 +1753,8 @@ lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compila
 
 [env:esp32_4MB_V4_S_eth]
 extends = esp32_4MB_V4_S_base
-board_build.partitions = ${esp32.default_partitions} ;; compatible with upstream
+;;board_build.partitions = ${esp32.default_partitions}
+board_build.partitions = ${esp32.extended_partitions}  ;; 1.65MB firmware, 700KB filesystem
 build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   -D WLED_RELEASE_NAME=esp32_4MB_V4_S
   -D WLED_WATCHDOG_TIMEOUT=0 #-D WLED_DISABLE_BROWNOUT_DET
@@ -2981,16 +2984,15 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   ; -D WLED_USE_MY_CONFIG
   -D WLEDMM_SAVE_FLASH
   -D WLED_DISABLE_ESPNOW  ;; might help in case of WiFi connectivity problems
-  -D WLED_DISABLE_PARTICLESYSTEM1D ;; exceeds flash size limit
-  -D WLED_DISABLE_PARTICLESYSTEM2D ;; exceeds flash size limit
+  ;;-D WLED_DISABLE_PARTICLESYSTEM1D ;; exceeds flash size limit (default_partitions only)
+  ;;-D WLED_DISABLE_PARTICLESYSTEM2D ;; exceeds flash size limit (default_partitions only)
 lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
 lib_ignore = 
   IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
   ${common_mm.HUB75_lib_ignore}
   ${common_mm.DMXin_lib_ignore}
 ; RAM:   [===       ]  26.0% (used 85100 bytes from 327680 bytes)
-; Flash: [==========]  96.3% (used 1514297 bytes from 1572864 bytes)
-
+; Flash: [========= ]  90.0% (used 1534269 bytes from 1703936 bytes)
 
 [env:adafruit_matrixportal_esp32s3_legacy]
 ; ESP32-S3 processor, 8 MB flash, 2 MB of PSRAM, dedicated driver pins for HUB75