diff --git a/bin/build-esp32.sh b/bin/build-esp32.sh
index 153638425..40a6c3aee 100755
--- a/bin/build-esp32.sh
+++ b/bin/build-esp32.sh
@@ -29,14 +29,11 @@ SRCELF=.pio/build/$1/firmware.elf
 cp $SRCELF $OUTDIR/$basename.elf
 
 echo "Copying ESP32 bin file"
-SRCBIN=.pio/build/$1/firmware.bin
+SRCBIN=.pio/build/$1/firmware.factory.bin
 cp $SRCBIN $OUTDIR/$basename.bin
 
 echo "Building Filesystem for ESP32 targets"
 pio run --environment tbeam -t buildfs
 cp .pio/build/tbeam/littlefs.bin $OUTDIR/littlefs-$VERSION.bin
-cp images/system-info.bin $OUTDIR/system-info.bin
-
-cp .pio/build/$1/partitions.bin $OUTDIR/partitions.bin
 cp bin/device-install.* $OUTDIR
 cp bin/device-update.* $OUTDIR
diff --git a/bin/device-install.bat b/bin/device-install.bat
index 763cdac85..419e8d6bd 100755
--- a/bin/device-install.bat
+++ b/bin/device-install.bat
@@ -29,13 +29,11 @@ IF "__%FILENAME%__" == "____" (
 IF EXIST %FILENAME% (
     echo Trying to flash update %FILENAME%, but first erasing and writing system information"
 	%PYTHON% -m esptool --baud 115200 erase_flash
-	%PYTHON% -m esptool --baud 115200 write_flash 0x1000 system-info.bin
-	%PYTHON% -m esptool --baud 115200 write_flash 0x8000 partitions.bin
+	%PYTHON% -m esptool --baud 115200 write_flash 0x00 %FILENAME%
+	%PYTHON% -m esptool --baud 115200 write_flash 0x260000 bleota.bin
     for %%f in (littlefs-*.bin) do (
         %PYTHON% -m esptool --baud 115200 write_flash 0x300000 %%f
     )
-	%PYTHON% -m esptool --baud 115200 write_flash 0x10000 %FILENAME%
-	%PYTHON% -m esptool --baud 115200 write_flash 0x260000 bleota.bin
 ) else (
     echo "Invalid file: %FILENAME%"
 	goto HELP
diff --git a/bin/device-install.sh b/bin/device-install.sh
index 163499d7b..a55e553c7 100755
--- a/bin/device-install.sh
+++ b/bin/device-install.sh
@@ -47,11 +47,10 @@ shift "$((OPTIND-1))"
 if [ -f "${FILENAME}" ]; then
 	echo "Trying to flash ${FILENAME}, but first erasing and writing system information"
 	"$PYTHON" -m esptool  erase_flash
-	"$PYTHON" -m esptool  write_flash 0x1000 system-info.bin
-	"$PYTHON" -m esptool  write_flash 0x8000 partitions.bin
+	"$PYTHON" -m esptool  write_flash 0x00 ${FILENAME}
+    "$PYTHON" -m esptool  write_flash 0x260000 bleota.bin
 	"$PYTHON" -m esptool  write_flash 0x300000 littlefs-*.bin
-	"$PYTHON" -m esptool  write_flash 0x260000 bleota.bin
-	"$PYTHON" -m esptool  write_flash 0x10000 ${FILENAME}
+
 else
 	echo "Invalid file: ${FILENAME}"
 	show_help
diff --git a/bin/device-update.bat b/bin/device-update.bat
index c9ec0c4c9..40def6caf 100755
--- a/bin/device-update.bat
+++ b/bin/device-update.bat
@@ -28,7 +28,7 @@ IF "__%FILENAME%__" == "____" (
 )
 IF EXIST %FILENAME% (
     echo Trying to flash update %FILENAME%
-    %PYTHON% -m esptool --baud 115200 write_flash 0x10000 %FILENAME%
+    %PYTHON% -m esptool --baud 115200 write_flash 0x00 %FILENAME%
 ) else (
     echo "Invalid file: %FILENAME%"
 	goto HELP
diff --git a/bin/device-update.sh b/bin/device-update.sh
index a233d61dd..a6d80c200 100755
--- a/bin/device-update.sh
+++ b/bin/device-update.sh
@@ -44,7 +44,7 @@ shift "$((OPTIND-1))"
 
 if [ -f "${FILENAME}" ]; then
 	echo "Trying to flash update ${FILENAME}."
-	$PYTHON -m esptool --baud 115200 write_flash 0x10000 ${FILENAME}
+	$PYTHON -m esptool --baud 115200 write_flash 0x00 ${FILENAME}
 else
 	echo "Invalid file: ${FILENAME}"
 	show_help
diff --git a/bin/platformio-custom.py b/bin/platformio-custom.py
index 951d89b0a..e03a35e3a 100644
--- a/bin/platformio-custom.py
+++ b/bin/platformio-custom.py
@@ -1,17 +1,70 @@
-
-
 import subprocess
 import configparser
 import traceback
 import sys
+from os.path import join
 from readprops import readProps
 
+Import("env")
+platform = env.PioPlatform()
+
+def esp32_create_combined_bin(source, target, env):
+    # this sub is borrowed from ESPEasy build toolchain. It's licensed under GPL V3
+    # https://github.com/letscontrolit/ESPEasy/blob/mega/tools/pio/post_esp32.py
+    print("Generating combined binary for serial flashing")
+
+    app_offset = 0x10000
+
+    new_file_name = env.subst("$BUILD_DIR/${PROGNAME}.factory.bin")
+    sections = env.subst(env.get("FLASH_EXTRA_IMAGES"))
+    firmware_name = env.subst("$BUILD_DIR/${PROGNAME}.bin")
+    chip = env.get("BOARD_MCU")
+    flash_size = env.BoardConfig().get("upload.flash_size")
+    flash_freq = env.BoardConfig().get("build.f_flash", '40m')
+    flash_freq = flash_freq.replace('000000L', 'm')
+    flash_mode = env.BoardConfig().get("build.flash_mode", "dio")
+    memory_type = env.BoardConfig().get("build.arduino.memory_type", "qio_qspi")
+    if flash_mode == "qio" or flash_mode == "qout":
+        flash_mode = "dio"
+    if memory_type == "opi_opi" or memory_type == "opi_qspi":
+        flash_mode = "dout"
+    cmd = [
+        "--chip",
+        chip,
+        "merge_bin",
+        "-o",
+        new_file_name,
+        "--flash_mode",
+        flash_mode,
+        "--flash_freq",
+        flash_freq,
+        "--flash_size",
+        flash_size,
+    ]
+
+    print("    Offset | File")
+    for section in sections:
+        sect_adr, sect_file = section.split(" ", 1)
+        print(f" -  {sect_adr} | {sect_file}")
+        cmd += [sect_adr, sect_file]
+
+    print(f" - {hex(app_offset)} | {firmware_name}")
+    cmd += [hex(app_offset), firmware_name]
+
+    print('Using esptool.py arguments: %s' % ' '.join(cmd))
+
+    esptool.main(cmd)
+
+if (platform.name == "espressif32"):
+    sys.path.append(join(platform.get_package_dir("tool-esptoolpy")))
+    import esptool
+    env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", esp32_create_combined_bin)    
+
 Import("projenv")
 
 prefsLoc = projenv["PROJECT_DIR"] + "/version.properties"
 verObj = readProps(prefsLoc)
 print("Using meshtastic platformio-custom.py, firmware version " + verObj['long'])
-# print("path is" + ','.join(sys.path))
 
 # General options that are passed to the C and C++ compilers
 projenv.Append(CCFLAGS=[
diff --git a/images/system-info.bin b/images/system-info.bin
deleted file mode 100644
index 85acfca15..000000000
Binary files a/images/system-info.bin and /dev/null differ