diff --git a/board/miyoo/boot/firstboot b/board/miyoo/boot/firstboot
index ff1c13ec..e348a851 100644
--- a/board/miyoo/boot/firstboot
+++ b/board/miyoo/boot/firstboot
@@ -633,6 +633,7 @@ else
 		mount /dev/mmcblk0p4 "${HOME}" -o rw,sync,exec 2>&1 | tee -a ${LOG_TEMP}
 		CHANGE_FS_P4=true
 	elif test "${P4_FS_TYPE}" == "BTRFS"; then
+		modprobe btrfs 2>&1 | tee -a "${LOGS}"
 		mkfs.btrfs -r "${ROMS}"/backup/"${HOME}" -L "${P4_LABEL}" -v -f /dev/mmcblk0p4 2>&1 | tee -a ${LOG_TEMP}
 		btrfsck /dev/mmcblk0p4 2>&1 | tee -a ${LOG_TEMP} # does not repair FS, just check integrity as it is dengarous to do so
 		mount /dev/mmcblk0p4 "${HOME}" -o commit=5,flushoncommit,noatime,nodiratime,exec 2>&1 | tee -a ${LOG_TEMP}
@@ -656,7 +657,7 @@ if ${CHANGE_FS_P4}; then
 		sed -i "s|\(::sysinit:/bin/mount /dev/mmcblk0p4\).*|\1 "${HOME}" -o rw,sync,exec|" /etc/inittab
 	elif test "${P4_FS_TYPE}" == "BTRFS" ; then
 		sed -i "s|\(::sysinit:/bin/mount /dev/mmcblk0p4\).*|\1 "${HOME}" -o commit=5,flushoncommit,noatime,nodiratime,exec|" /etc/inittab
-	fi	
+	fi
 	mount -o remount,ro / /
 	cat /etc/inittab >> ${LOG}
 fi
@@ -727,6 +728,7 @@ if $CHANGE_FS_P5; then
 			echo "\033[0;31mExtracting archive ${ROMS} from ${HOME}/backup${ROMS} failed with rsync exit code ${EXIT_CODE}\033[0m" | tee -a ${LOG}
 		fi
 	elif test "${P5_FS_TYPE}" == "BTRFS"; then
+		modprobe btrfs 2>&1 | tee -a "${LOGS}"
 		mkfs.btrfs -r "${HOME}"/backup"${ROMS}" -v -f -L ${P5_LABEL} /dev/mmcblk0p5 2>&1 | tee -a ${LOG}
 		sleep 2
 		btrfsck /dev/mmcblk0p5 2>&1 | tee -a ${LOG} # does not repair FS, just check integrity as it is dengarous to do so
@@ -756,6 +758,21 @@ if $CHANGE_FS_P5; then
 	elif test "${P5_FS_TYPE}" == "EXT4"; then
 		sed -i "s|\(::sysinit:/bin/mount /dev/mmcblk0p5\).*|\1 "${ROMS}" -o rw,noatime|" /etc/inittab
 	fi
+  mount -o remount,ro / /
+  cat /etc/inittab >> ${LOG}
+fi
+
+## Correct inittab & check if btrfs module needed for p4/p5
+if ($CHANGE_FS_P4 || $CHANGE_FS_P5); then
+	echo "Correcting inittab for btrfs module loading" >> ${LOG}
+	mount -o remount,rw / /
+	if test "${P4_FS_TYPE}" != "BTRFS" && test "${P5_FS_TYPE}" != "BTRFS" ; then
+		sed -i 's|^::sysinit:/sbin/modprobe btrfs|#&|' /etc/inittab
+		modprobe -r btrfs 2>&1 | tee -a "${LOGS}"
+	else
+		sed -i 's|^#::sysinit:/sbin/modprobe btrfs|::sysinit:/sbin/modprobe btrfs|' /etc/inittab
+		modprobe btrfs 2>&1 | tee -a "${LOGS}"
+	fi
 	mount -o remount,ro / /
 	cat /etc/inittab >> ${LOG}
 fi
diff --git a/board/miyoo/main/apps/usb-hid/usb-hid.sh b/board/miyoo/main/apps/usb-hid/usb-hid.sh
index 1772d202..56c40856 100755
--- a/board/miyoo/main/apps/usb-hid/usb-hid.sh
+++ b/board/miyoo/main/apps/usb-hid/usb-hid.sh
@@ -5,15 +5,19 @@ st_error_func(){
 st_exec_func(){
 	st -k -e "/bin/sh" "-c" "${1}"
 }
-	echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
-	killall umtprd umtprd-debug
-	/mnt/apps/usb-mtd/remove.sh g2
-	modprobe -r g_serial
-	mount none /sys/kernel/config -t configfs
-	gadget-hid
-	st_exec_func "\
+echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
+killall umtprd umtprd-debug
+/mnt/apps/usb-mtd/remove.sh g2
+modprobe usb_f_hid
+modprobe evdev
+modprobe uinput
+mount none /sys/kernel/config -t configfs
+gadget-hid
+st_exec_func "\
 	echo -e \"\e[32m\n\n\n\n\n\n               Starting USB-HID mode\e[0m\n\n\n\"; \
 	sleep 1; \
 	python /mnt/apps/usb-hid/usb-hid.py"
-
-	gadget-vid-pid-remove 0x1d6b:0x0104
\ No newline at end of file
+gadget-vid-pid-remove 0x1d6b:0x0104
+modprobe -r usb_f_hid
+modprobe -r evdev
+modprobe -r uinput
diff --git a/board/miyoo/main/apps/usb-host/usb-host.sh b/board/miyoo/main/apps/usb-host/usb-host.sh
index c487fece..2a142d20 100755
--- a/board/miyoo/main/apps/usb-host/usb-host.sh
+++ b/board/miyoo/main/apps/usb-host/usb-host.sh
@@ -1,3 +1,16 @@
 #!/bin/busybox sh
 echo host  > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
 sleep 2
+
+modprobe evdev
+modprobe joydev
+modprobe analog
+modprobe xpad
+modprobe atkbd
+modprobe uinput
+modprobe psmouse
+modprobe synaptics_usb
+modprobe mousedev
+modprobe usbhid
+modprobe hid-generic
+modprobe hid
\ No newline at end of file
diff --git a/board/miyoo/main/apps/usb-mtd/usb-mtd.sh b/board/miyoo/main/apps/usb-mtd/usb-mtd.sh
index 165ad934..c3636164 100755
--- a/board/miyoo/main/apps/usb-mtd/usb-mtd.sh
+++ b/board/miyoo/main/apps/usb-mtd/usb-mtd.sh
@@ -1,7 +1,7 @@
 #!/bin/busybox sh
 
 echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
-modprobe -r g_serial
+modprobe usb_f_fs
 killall umtprd umtprd-debug
 /mnt/apps/usb-mtd/remove.sh g2
 mount none /sys/kernel/config -t configfs
diff --git a/board/miyoo/main/apps/usb-network/usb-network.sh b/board/miyoo/main/apps/usb-network/usb-network.sh
index f5ef1ab0..b5fdfa87 100755
--- a/board/miyoo/main/apps/usb-network/usb-network.sh
+++ b/board/miyoo/main/apps/usb-network/usb-network.sh
@@ -5,9 +5,9 @@ MAC_HOST="12:34:56:78:9a:bd"
 MAC_DEV="12:34:56:78:9a:bc"
 
 echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
-modprobe -r g_serial
 killall umtprd umtprd-debug
 /mnt/apps/usb-mtd/remove.sh g2
+modprobe usb_f_rndis
 sleep 1
 
 mount none /sys/kernel/config -t configfs
diff --git a/board/miyoo/main/apps/usb-serial-console/usb-serial.sh b/board/miyoo/main/apps/usb-serial-console/usb-serial.sh
index 4587e3ab..e5ff1f2b 100755
--- a/board/miyoo/main/apps/usb-serial-console/usb-serial.sh
+++ b/board/miyoo/main/apps/usb-serial-console/usb-serial.sh
@@ -1,4 +1,31 @@
 #!/bin/busybox sh
+
 echo peripheral > /sys/devices/platform/soc/1c13000.usb/musb-hdrc.1.auto/mode
+
 killall umtprd umtprd-debug
-modprobe g_serial
+/mnt/apps/usb-mtd/remove.sh g2
+mount none /sys/kernel/config -t configfs
+
+mkdir /sys/kernel/config/usb_gadget/g2
+cd /sys/kernel/config/usb_gadget/g2
+
+mkdir configs/c.1
+mkdir functions/acm.usb0
+mkdir strings/0x409
+mkdir configs/c.1/strings/0x409
+
+echo 0x0104 > idProduct                # Produkt: CDC ACM (Serial)
+echo 0x1D6B > idVendor                 # Producent: Linux Foundation
+
+echo "Miyoo Handheld" > strings/0x409/manufacturer
+echo "Miyoo CFW 2.0" > strings/0x409/product
+echo "deadbeef12345678" > strings/0x409/serialnumber
+
+echo "Conf 1" > configs/c.1/strings/0x409/configuration
+echo 120 > configs/c.1/MaxPower
+
+ln -s functions/acm.usb0 configs/c.1
+
+sleep 1
+ls /sys/class/udc/ > /sys/kernel/config/usb_gadget/g2/UDC
+
diff --git a/board/miyoo/rootfs/etc/inittab b/board/miyoo/rootfs/etc/inittab
index 6d3df75a..a4558fac 100644
--- a/board/miyoo/rootfs/etc/inittab
+++ b/board/miyoo/rootfs/etc/inittab
@@ -20,6 +20,7 @@
 ::sysinit:/bin/mkdir -p /dev/shm
 ::sysinit:/bin/mount -a
 ::sysinit:/bin/hostname -F /etc/hostname
+::sysinit:/sbin/modprobe btrfs
 ::sysinit:/bin/mount /dev/mmcblk0p4 /mnt -o commit=5,flushoncommit,noatime,nodiratime,exec
 ::sysinit:/bin/mount /dev/mmcblk0p5 /roms -o rw,noatime
 ::sysinit:/bin/mount /dev/mmcblk0p1 /boot -t vfat -o ro,exec,utf8
diff --git a/board/miyoo/rootfs/etc/main b/board/miyoo/rootfs/etc/main
index 12cc511c..94285733 100755
--- a/board/miyoo/rootfs/etc/main
+++ b/board/miyoo/rootfs/etc/main
@@ -57,37 +57,6 @@ restore_temp_log_func(){
 
 # load kernel modules
 
-# load usb gadget
-echo "Loading USB gadget" >> "${LOGS}"
-mount none /sys/kernel/config -t configfs 2>&1 | tee -a "${LOGS}"
-mkdir -p /sys/kernel/config/usb_gadget/g2 >> "${LOGS}" 2>&1
-cd /sys/kernel/config/usb_gadget/g2 || echo "Failed to cd into /sys/kernel/config/usb_gadget/g2" >> "${LOGS}" 2>&1
-mkdir -p configs/c.1 >> "${LOGS}" 2>&1
-mkdir -p functions/ffs.mtp >> "${LOGS}" 2>&1
-mkdir -p strings/0x409 >> "${LOGS}" 2>&1
-mkdir -p configs/c.1/strings/0x409 >> "${LOGS}" 2>&1
-
-echo 0x0100 > idProduct
-echo 0x1D6B > idVendor
-
-echo "Miyoo Handheld" > strings/0x409/manufacturer
-echo "Miyoo CFW 2.0" > strings/0x409/product
-
-echo "Conf 1" > configs/c.1/strings/0x409/configuration
-echo 120 > configs/c.1/MaxPower
-ln -s functions/ffs.mtp configs/c.1 2>&1 | tee -a "${LOGS}"
-mkdir -p /dev/ffs-mtp >> "${LOGS}" 2>&1
-mount -t functionfs mtp /dev/ffs-mtp 2>&1 | tee -a "${LOGS}"
-if test "x${DEBUG_UMTPR}" == "xyes"; then
-	umtprd-debug >> "${LOGS_TEMP}" 2>&1 &
-else
-	umtprd >> ${UMTPR_LOGS} 2>&1 & # since it's running in bg the stdout/stderr redirecction is constantly active, may brake unmounting so logging here to /dev/null
-fi
-
-sleep 1
-ls /sys/class/udc/ > /sys/kernel/config/usb_gadget/g2/UDC
-
-
 # Load the expected one screen driver from here with modprobe 
 ## automatically from rootfs/lib/modules/VERSION
 # The uEnv.txt is autogenerated by u-boot from HW which outputs
@@ -130,6 +99,13 @@ else
 	fi
 fi
 
+# Load sound modules
+
+cmdline=$(cat /proc/cmdline)
+snd_val=$(echo "$cmdline" | sed -n 's/.*miyoo\.miyoo_snd=\([0-9]\+\).*/\1/p')
+
+modprobe miyoo miyoo_snd="$snd_val" 2>&1 | tee -a "${LOGS}"
+
 # check if it's first boot and defer to the firstboot script if yes
 if grep -sq FIRSTBOOT\=\1 "${HOME}/options.cfg"; then
 	test -r "${BOOTDIR}/firstboot.done" \
@@ -185,6 +161,41 @@ else
 	export CONSOLE_VARIANT="unknown"
 fi
 
+# load usb modules
+
+modprobe sunxi 2>&1 | tee -a "${LOGS}"
+modprobe usb_f_fs 2>&1 | tee -a "${LOGS}"
+
+# load usb gadget
+echo "Loading USB gadget" >> "${LOGS}"
+mount none /sys/kernel/config -t configfs 2>&1 | tee -a "${LOGS}"
+mkdir -p /sys/kernel/config/usb_gadget/g2 >> "${LOGS}" 2>&1
+cd /sys/kernel/config/usb_gadget/g2 || echo "Failed to cd into /sys/kernel/config/usb_gadget/g2" >> "${LOGS}" 2>&1
+mkdir -p configs/c.1 >> "${LOGS}" 2>&1
+mkdir -p functions/ffs.mtp >> "${LOGS}" 2>&1
+mkdir -p strings/0x409 >> "${LOGS}" 2>&1
+mkdir -p configs/c.1/strings/0x409 >> "${LOGS}" 2>&1
+
+echo 0x0100 > idProduct
+echo 0x1D6B > idVendor
+
+echo "Miyoo Handheld" > strings/0x409/manufacturer
+echo "Miyoo CFW 2.0" > strings/0x409/product
+
+echo "Conf 1" > configs/c.1/strings/0x409/configuration
+echo 120 > configs/c.1/MaxPower
+ln -s functions/ffs.mtp configs/c.1 2>&1 | tee -a "${LOGS}"
+mkdir -p /dev/ffs-mtp >> "${LOGS}" 2>&1
+mount -t functionfs mtp /dev/ffs-mtp 2>&1 | tee -a "${LOGS}"
+if test "x${DEBUG_UMTPR}" == "xyes"; then
+	umtprd-debug >> "${LOGS_TEMP}" 2>&1 &
+else
+	umtprd >> ${UMTPR_LOGS} 2>&1 & # since it's running in bg the stdout/stderr redirecction is constantly active, may brake unmounting so logging here to /dev/null
+fi
+
+sleep 1
+ls /sys/class/udc/ > /sys/kernel/config/usb_gadget/g2/UDC
+
 echo "Boot!" >> "${LOGS}"
 echo "Handheld type is ${CONSOLE_VARIANT}" >> "${LOGS}"