diff --git a/raspberrypi/board/robotech/cdfprincipal/post-build.sh b/raspberrypi/board/robotech/cdfprincipal/post-build.sh
index 56d7236..08ad1d2 100755
--- a/raspberrypi/board/robotech/cdfprincipal/post-build.sh
+++ b/raspberrypi/board/robotech/cdfprincipal/post-build.sh
@@ -11,6 +11,9 @@ then
 
     # Network configuration
     echo -e "
+auto lo
+iface lo inet loopback
+
 auto eth0
 iface eth0 inet static
   address ${ETHADDRESS}
diff --git a/raspberrypi/board/robotech/cdfprincipal/rootfs_overlay/etc/extra.d/S40wifi b/raspberrypi/board/robotech/cdfprincipal/rootfs_overlay/etc/extra.d/S40wifi
index 5592c8f..1c37275 100755
--- a/raspberrypi/board/robotech/cdfprincipal/rootfs_overlay/etc/extra.d/S40wifi
+++ b/raspberrypi/board/robotech/cdfprincipal/rootfs_overlay/etc/extra.d/S40wifi
@@ -6,8 +6,7 @@
 start() {
 	printf "Starting Wi-Fi connection: "
 	# modprobe brcmfmac
-	modprobe r8188eu
-	modprobe 8192cu
+	modprobe rtl8xxxu
 	modprobe ar5523
 	ifup wlan0
 	echo "OK"
diff --git a/raspberrypi/buildroot b/raspberrypi/buildroot
index 8f03647..9565a37 160000
--- a/raspberrypi/buildroot
+++ b/raspberrypi/buildroot
@@ -1 +1 @@
-Subproject commit 8f03647169a17b10503594e5f3d95113a01171f9
+Subproject commit 9565a37e0d2aa3c5fb9a4148760c490f2e5226d4
diff --git a/raspberrypi/configs/cdfprincipal_defconfig b/raspberrypi/configs/cdfprincipal_defconfig
index fcf9654..39bfc4c 100644
--- a/raspberrypi/configs/cdfprincipal_defconfig
+++ b/raspberrypi/configs/cdfprincipal_defconfig
@@ -1,29 +1,27 @@
 # From configs/raspberrypi3_defconfig
 
 BR2_arm=y
-BR2_cortex_a7=y
-BR2_ARM_EABIHF=y
+BR2_cortex_a53=y
 BR2_ARM_FPU_NEON_VFPV4=y
 
 BR2_TOOLCHAIN_BUILDROOT_CXX=y
 
 BR2_SYSTEM_DHCP="eth0"
 
-# Linux headers same as kernel, a 4.4 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_4=y
+# Linux headers same as kernel, a 4.9 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
 
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_GIT=y
 BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/raspberrypi/linux.git"
-BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="1ebe8d4a4c96cd6a90805c74233a468854960f67"
+BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="33ee56d5927ceff630fbc87e3f5caa409b6ae114"
 BR2_LINUX_KERNEL_DEFCONFIG="bcm2709"
 
 # Build the DTB from the kernel sources
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_INTREE_DTS_NAME="bcm2710-rpi-3-b"
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="bcm2710-rpi-3-b bcm2710-rpi-cm3"
 
 BR2_PACKAGE_RPI_FIRMWARE=y
-BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS=y
 
 # Required tools to create the SD image
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
@@ -60,13 +58,13 @@ BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="${BR2_EXTERNAL_CDF_PATH}/board/robote
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="${BR2_EXTERNAL_CDF_PATH}/board/robotech/cdfprincipal/linux-extra.conf"
 # TODO Doesn't work
 
-# Ne pas activer la connexion ethernet par défaut
+# On gère /etc/network/interfaces nous-même
 BR2_SYSTEM_DHCP=""
 
 # Pour le Wi-Fi
 BR2_PACKAGE_LINUX_FIRMWARE=y
 BR2_PACKAGE_LINUX_FIRMWARE_RTL_81XX=y # Clef Wi-Fi Geoffrey
-#BR2_PACKAGE_LINUX_FIRMWARE_BRCM_BCM43XXX=y # RPi3 Natif (cassé physiquement sur notre carte)
+BR2_PACKAGE_LINUX_FIRMWARE_BRCM_BCM43XXX=y # RPi3 Natif (cassé physiquement sur notre carte)
 BR2_PACKAGE_WPA_SUPPLICANT=y
 
 # Pour upgrader à chaud
@@ -93,3 +91,5 @@ BR2_PACKAGE_MERCPCL=y
 BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 BR2_PACKAGE_I2C_TOOLS=y
 
+# Augmentation de la capacité
+BR2_TARGET_ROOTFS_EXT2_SIZE="128M"