diff --git a/linux/stm32CubeProg.sh b/linux/stm32CubeProg.sh
index 885776c1..1d2adeac 100755
--- a/linux/stm32CubeProg.sh
+++ b/linux/stm32CubeProg.sh
@@ -3,7 +3,7 @@ set -o nounset                              # Treat unset variables as an error
 #set -x
 STM32CP_CLI=STM32_Programmer.sh
 ADDRESS=0x8000000
-FILEPATH=
+ERASE=
 MODE=
 PORT=
 OPTS=
@@ -16,10 +16,12 @@ usage()
   echo "##"
   echo "## `basename $0` <protocol> <file_path> [OPTIONS]"
   echo "##"
-  echo "## protocol: "
+  echo "## protocol:"
   echo "##   0: SWD"
-  echo "##   1: Serial "
+  echo "##   1: Serial"
   echo "##   2: DFU"
+  echo "##   Note: prefix it by 1 to erase all sectors."
+  echo "##         Ex: 10 erase all sectors using SWD interface."
   echo "## file_path: file path name to be downloaded: (bin, hex)"
   echo "## Options:"
   echo "##   For SWD and DFU: no mandatory options"
@@ -58,14 +60,20 @@ if [ $# -lt 2 ]; then
     usage 2
 fi
 
-FILEPATH=$2
-
 # Parse options
+PROTOCOL=$1
+FILEPATH=$2
+# Protocol $1
+# 1x: Erase all sectors
+if [ $1 -ge 10 ]; then
+  ERASE='-e all'
+  PROTOCOL=$(($1 - 10))
+fi
 # Protocol $1
 # 0: SWD
 # 1: Serial
 # 2: DFU
-case $1 in
+case $PROTOCOL in
   0)
     PORT='SWD'
     MODE='mode=UR'
@@ -89,7 +97,7 @@ if [ $# -gt 0 ]; then
   OPTS="$@"
 fi
 
-${STM32CP_CLI} -c port=${PORT} ${MODE} -q -d ${FILEPATH} ${ADDRESS} ${OPTS}
+${STM32CP_CLI} -c port=${PORT} ${MODE} ${ERASE} -q -d ${FILEPATH} ${ADDRESS} ${OPTS}
 
 exit 0
 
diff --git a/macosx/stm32CubeProg b/macosx/stm32CubeProg
index af486f1d..4dda68c1 100755
--- a/macosx/stm32CubeProg
+++ b/macosx/stm32CubeProg
@@ -2,7 +2,7 @@
 set -o nounset                              # Treat unset variables as an error
 STM32CP_CLI=STM32_Programmer_CLI
 ADDRESS=0x8000000
-FILEPATH=
+ERASE=
 MODE=
 PORT=
 OPTS=
@@ -17,8 +17,10 @@ usage()
   echo "##"
   echo "## protocol: "
   echo "##   0: SWD"
-  echo "##   1: Serial "
+  echo "##   1: Serial"
   echo "##   2: DFU"
+  echo "##   Note: prefix it by 1 to erase all sectors."
+  echo "##         Ex: 10 erase all sectors using SWD interface."
   echo "## file_path: file path name to be downloaded: (bin, hex)"
   echo "## Options:"
   echo "##   For SWD and DFU: no mandatory options"
@@ -57,14 +59,21 @@ if [ $# -lt 2 ]; then
     usage 2
 fi
 
-FILEPATH=$2
-
 # Parse options
+PROTOCOL=$1
+FILEPATH=$2
+# Protocol $1
+# 1x: Erase all sectors
+if [ $1 -ge 10 ]; then
+  ERASE='-e all'
+  PROTOCOL=$(($1 - 10))
+fi
 # Protocol $1
 # 0: SWD
 # 1: Serial
 # 2: DFU
-case $1 in
+case $PROTOCOL in
+
   0)
     PORT='SWD'
     MODE='mode=UR'
@@ -88,7 +97,7 @@ if [ $# -gt 0 ]; then
   OPTS="$@"
 fi
 
-${STM32CP_CLI} -c port=${PORT} ${MODE} -q -d ${FILEPATH} ${ADDRESS} ${OPTS}
+${STM32CP_CLI} -c port=${PORT} ${MODE} ${ERASE} -q -d ${FILEPATH} ${ADDRESS} ${OPTS}
 
 exit 0
 
diff --git a/win/stm32CubeProg.bat b/win/stm32CubeProg.bat
index 86bba57c..ef892ead 100644
--- a/win/stm32CubeProg.bat
+++ b/win/stm32CubeProg.bat
@@ -3,6 +3,10 @@
 set ERROR=0
 set STM32CP_CLI=STM32_Programmer_CLI.exe
 set ADDRESS=0x8000000
+set ERASE=
+set MODE=
+set PORT=
+set OPTS=
 
 :: Check tool
 where /Q %STM32CP_CLI%
@@ -23,15 +27,23 @@ exit 1
 :: Parse options
 if "%~1"=="" echo Not enough arguments! & set ERROR=2 & goto :usage
 if "%~2"=="" echo Not enough arguments! & set ERROR=2 & goto :usage
+
+set PROTOCOL=%~1
 set FILEPATH=%~2
 
 :: Protocol
+:: 1x: Erase all sectors
+if %~1 lss 10 goto :proto
+set ERASE=-e all
+set /a PROTOCOL-=10
+
 :: 0: SWD
 :: 1: Serial
 :: 2: DFU
-if %~1==0 goto :SWD
-if %~1==1 goto :SERIAL
-if %~1==2 goto :DFU
+:proto
+if %PROTOCOL%==0 goto :SWD
+if %PROTOCOL%==1 goto :SERIAL
+if %PROTOCOL%==2 goto :DFU
 echo Protocol unknown!
 set ERROR=4
 goto :usage
@@ -59,7 +71,7 @@ set OPTS=%1 %2 %3 %4 %5 %6 %7 %8 %9
 goto :prog
 
 :prog
-%STM32CP_CLI% -c port=%PORT% %MODE% -q -d %FILEPATH% %ADDRESS% %OPTS%
+%STM32CP_CLI% -c port=%PORT% %MODE% %ERASE% -q -d %FILEPATH% %ADDRESS% %OPTS%
 exit 0
 
 :usage
@@ -69,6 +81,8 @@ exit 0
   echo   0: SWD
   echo   1: Serial
   echo   2: DFU
+  echo    Note: prefix it by 1 to erase all sectors
+  echo          Ex: 10 erase all sectors using SWD interface
   echo file_path: file path name to be downloaded: (bin, hex)
   echo Options:
   echo   For SWD and DFU: no mandatory options