diff --git a/install-from-bootloader-fp3.sh b/install-from-bootloader-fp3.sh
new file mode 100755
index 0000000000000000000000000000000000000000..e1739cbb1668c53e903a4aaec18ed99641b85a95
--- /dev/null
+++ b/install-from-bootloader-fp3.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# Copyright (C) 2020 ECORP SAS - Author: Romain Hunault
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# Parameter
+# $1: DEVICE_ID device id
+# $2: ARCHIVE_PATH path to archive
+
+# Exit status
+# - 0 : device flashed
+# - 1 : generic error
+# - 101 : DEVICE_ID missing
+# - 102 : ARCHIVE_PATH missing
+
+DEVICE_ID=$1
+ARCHIVE_PATH=$2
+
+if [ -z $DEVICE_ID ]
+then
+  exit 101
+fi
+
+if [ -z $ARCHIVE_PATH ]
+then
+  exit 102
+fi
+
+fastboot -s $DEVICE_ID -w
+sleep 1
+
+fastboot -s $DEVICE_ID flash system $ARCHIVE_PATH/system.img
+sleep 1
+fastboot -s $DEVICE_ID flash boot $ARCHIVE_PATH/boot.img
+sleep 1
+fastboot -s $DEVICE_ID flash vendor $ARCHIVE_PATH/vendor.img
+sleep 1
+fastboot -s $DEVICE_ID flash dtbo $ARCHIVE_PATH/dtbo.img
+sleep 1
+fastboot -s $DEVICE_ID flash product $ARCHIVE_PATH/product.img
+sleep 1
+fastboot -s $DEVICE_ID flash vbmeta $ARCHIVE_PATH/vbmeta.img
+sleep 1
diff --git a/lock-bootloader.sh b/lock-bootloader.sh
new file mode 100755
index 0000000000000000000000000000000000000000..aed5ed9a343dde07ae9a3b7731ef56bdd81899fc
--- /dev/null
+++ b/lock-bootloader.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Copyright (C) 2020 ECORP SAS - Author: Romain Hunault
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# Parameter
+# $1: DEVICE_ID device id
+
+# Exit status
+# - 0 : bootloader locked
+# - 1 : generic error
+
+DEVICE_ID=$1
+
+if [ -z $DEVICE_ID ]
+then
+  exit 101
+fi
+
+fastboot -s $DEVICE_ID flashing lock
diff --git a/unlock-device.sh b/unlock-device.sh
index c56bd49e0e3eb44d22b5df7babfef98145eaae71..cc7843495be08a4302ecaaae1de7a20383648229 100755
--- a/unlock-device.sh
+++ b/unlock-device.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright (C) 2019 ECORP SAS - Author: Romain Hunault
+# Copyright (C) 2019-2020 ECORP SAS - Author: Romain Hunault
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -16,16 +16,16 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Parameter
-# $1: DEVICE_LOCKED_PATH cable lock file (typically ${DEVICES_LOCKED_PATH}/${DEVICE})
+# $1: DEVICE_LOCKED_PATH device lock file (typically ${DEVICES_LOCKED_PATH}/${DEVICE})
 
 # Exit status
-# - 0 : device unlocked (lock file deleted)
-# - 1 : Lock file does not exist
+# - 0 : device unlocked
+# - 1 : generic error
 # - 101 : DEVICE_LOCKED_PATH missing
 
 DEVICE_LOCKED_PATH=$1
 
-if [ -z $DEVICE_LOCKED_PATH ]
+if [ -z "$DEVICE_LOCKED_PATH" ]
 then
   exit 101
 fi
diff --git a/unlock-fp3.sh b/unlock-fp3.sh
new file mode 100755
index 0000000000000000000000000000000000000000..407ff51e999b2ddf32bbddf2f182626b67de4545
--- /dev/null
+++ b/unlock-fp3.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Copyright (C) 2020 ECORP SAS - Author: Romain Hunault
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# Parameter
+# $1: path to archive folder
+# $2: device id
+
+# Exit status
+# - 0 : bootloader locked
+# - 1 : generic error
+# - 101 : $DEVICE_ID missing
+# - 102 : $ARCHIVE_PATH missing
+
+ARCHIVE_PATH=$1
+DEVICE_ID=$2
+
+if [ -z $ARCHIVE_PATH ]
+then
+  exit 102
+fi
+
+
+if [ -z $DEVICE_ID ]
+then
+  exit 101
+fi
+
+fastboot -s $DEVICE_ID flash devinfo $ARCHIVE_PATH/devinfo-unlocked.gpx
+sleep 1
+fastboot -s $DEVICE_ID reboot bootloader
diff --git a/wait-fastboot.sh b/wait-fastboot.sh
new file mode 100755
index 0000000000000000000000000000000000000000..9d7f930c584f4ec61172baac2b1cde16df158ef5
--- /dev/null
+++ b/wait-fastboot.sh
@@ -0,0 +1,74 @@
+#!/bin/bash
+
+# Copyright (C) 2020 ECORP SAS - Author: Romain Hunault
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# Parameter
+# $1: DEVICE_LOCKED_PATH device lock file (typically ${DEVICES_LOCKED_PATH}/${DEVICE})
+# $2: DEVICE_ID id of the device
+
+# Exit status
+# - 0 : device unlocked (lock file deleted)
+# - 1 : generic error
+# - 101 : DEVICES_LOCKED_PATH missing
+# - 102 : DEVICE_ID missing
+
+DEVICES_LOCKED_PATH=$1
+DEVICE_ID=$2
+
+if [ -z $DEVICES_LOCKED_PATH ]
+then
+  exit 10
+fi
+
+if [ ! -z $DEVICE_ID ]
+then
+  while true
+  do
+    fastboot devices | grep --perl-regex "${DEVICE_ID}\tfastboot"
+    if [ $? == 0 ]
+    then
+
+      exit 0
+    fi
+  done
+fi
+
+function newDevice
+{
+  for device in $(fastboot devices | grep fastboot | sed 's/\(.*\)\s*fastboot/\1/')
+  do
+    if [ ! -f ${DEVICES_LOCKED_PATH}/${device} ]
+    then
+      echo ${device}
+    fi
+  done
+}
+
+new_device=false
+
+while ! $new_device
+do
+  DEVICE_ID=$(newDevice)
+
+  if [ ! -z $DEVICE_ID ]
+  then
+    new_device=true
+  fi
+
+  sleep 1
+done
+
+echo ${DEVICE_ID}
diff --git a/wait-reboot-fastboot.sh b/wait-reboot-fastboot.sh
new file mode 100755
index 0000000000000000000000000000000000000000..bfa73f26053f7f680b464d1f399754cde1d09ce2
--- /dev/null
+++ b/wait-reboot-fastboot.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# Copyright (C) 2020 ECORP SAS - Author: Romain Hunault
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# Parameter
+# $1: DEVICE_ID Device we are waiting for reboot
+
+# Exit status
+# - 0 : New device detected
+# - 1 : Error
+# - 10 : DEVICE_ID is missing
+# - 101 : DEVICE_ID is not detected
+
+DEVICE_ID=$1
+
+if [ -z $DEVICE_ID ]
+then
+  exit 10
+fi
+
+function device_in_recovery
+{
+  fastboot devices | grep fastboot |grep ${DEVICE_ID} 2>&1 >/dev/null
+}
+
+if ! device_in_recovery
+then
+  exit 101
+fi
+
+while device_in_recovery
+do
+  sleep 1
+done