diff --git a/platformio.ini b/platformio.ini
index ce88eec5..25d89ae1 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1244,8 +1244,11 @@ lib_deps = ${esp32_4MB_M_base.lib_deps} ${common_mm.lib_deps_XL}
 [esp32_4MB_V4_S_base]
 board = esp32dev
 upload_speed = 460800 ; or 921600
-platform = ${esp32.platform} ;; "V4" = tasmota = standard
-platform_packages = ${esp32.platform_packages}
+;;platform = ${esp32.platform} ;; "V4" = tasmota = standard
+;;platform_packages = ${esp32.platform_packages}
+;; softhack007: back to standard espressif platform, due to bad UX when OTA updating a previous versions  - slow, unresponsive, wifi lost, out of RAM
+platform = ${esp32.platformV4}
+platform_packages = ${esp32.platformV4_packages}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} ${common_mm.build_flags_S} ${common_mm.build_disable_sync_interfaces}  ;; do not include ${esp32.build_flagsV4} here !!!!
   -Wno-misleading-indentation -Wno-format-truncation 
@@ -1689,6 +1692,8 @@ lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compila
 ; compiled with ESP-IDF 4.4.1; HUB75 supported
 [env:esp32_4MB_V4_S]
 extends = esp32_4MB_V4_S_base
+build_unflags = ${esp32_4MB_V4_S_base.build_unflags}
+  ${common_mm.DMXin_build_flags} ;; exceeds flash size limits
 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
@@ -1700,17 +1705,20 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   -D WLED_DISABLE_HUESYNC
   -D WLED_DISABLE_MQTT
   -D WLED_DISABLE_INFRARED
+  -D WLED_DISABLE_ESPNOW  ;; might help in case of WiFi connectivity problems
   ; -D WLED_DEBUG
   ; -D SR_DEBUG
   ; -D MIC_LOGGER
   ${common_mm.HUB75_build_flags}
   -D SR_DMTYPE=254 ;; HUB75 driver needs the I2S unit - set AR default mode to 'Network Receive Only' to prevent driver conflicts.
   -D WLED_DISABLE_PARTICLESYSTEM1D ;; exceeds flash size limit
+  ;; -D WLED_DISABLE_PARTICLESYSTEM2D
 lib_deps = ${esp32_4MB_V4_S_base.esp32_lib_deps}
     ${common_mm.HUB75_lib_deps}
 lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
-; RAM:   [==        ]  23.2% (used 75892 bytes from 327680 bytes)
-; Flash: [========  ]  80.6% (used 1267597 bytes from 1572864 bytes)
+    ${common_mm.DMXin_lib_ignore}
+; RAM:   [===       ]  25.3% (used 83052 bytes from 327680 bytes)
+; Flash: [==========]  98.2% (used 1544273 bytes from 1572864 bytes)
 
 [env:esp32_4MB_V4_S_eth]
 extends = esp32_4MB_V4_S_base
@@ -2902,6 +2910,7 @@ upload_speed = 256000 ;; or 115200 ;; or 460800 ; or 921600  (slower speeds are
 
 build_unflags = ${esp32_4MB_V4_S_base.build_unflags}
   -D WLED_ENABLE_HUB75MATRIX ;; not enough pins
+  ${common_mm.DMXin_build_flags} ;; board is too small, no pins
 build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   -D ARDUINO_USB_CDC_ON_BOOT=0 ; needed for arduino-esp32 >=2.0.4; avoids errors on startup
   -D WLED_RELEASE_NAME=esp32_pico_4MB_V4_S
@@ -2921,13 +2930,17 @@ build_flags = ${esp32_4MB_V4_S_base.esp32_build_flags}
   ; -D MCLK_PIN=0
   -D SR_ENABLE_DEFAULT  ;; enable audioreactive at first start - no need to manually set "enable", then reboot
   ; -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
 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}
-; RAM:   [===       ]  27.9% (used 91528 bytes from 327680 bytes)
-; Flash: [==========]  96.7% (used 1521457 bytes from 1572864 bytes)
-;
+  ${common_mm.DMXin_lib_ignore}
+; RAM:   [===       ]  26.0% (used 85100 bytes from 327680 bytes)
+; Flash: [==========]  96.3% (used 1514297 bytes from 1572864 bytes)
 
 
 [env:adafruit_matrixportal_esp32s3_legacy]