diff --git a/br-ext-chip-hisilicon/Config.in b/br-ext-chip-hisilicon/Config.in
index afeba386..59b83a22 100644
--- a/br-ext-chip-hisilicon/Config.in
+++ b/br-ext-chip-hisilicon/Config.in
@@ -30,6 +30,7 @@ source "$BR2_EXTERNAL_HISILICON_PATH/package/libogg-openipc/Config.in"
 source "$BR2_EXTERNAL_HISILICON_PATH/package/libre-openipc/Config.in"
 source "$BR2_EXTERNAL_HISILICON_PATH/package/librem-openipc/Config.in"
 source "$BR2_EXTERNAL_HISILICON_PATH/package/libsrt-openipc/Config.in"
+source "$BR2_EXTERNAL_HISILICON_PATH/package/libsrtp-openipc/Config.in"
 source "$BR2_EXTERNAL_HISILICON_PATH/package/libwebsockets-openipc/Config.in"
 source "$BR2_EXTERNAL_HISILICON_PATH/package/linux-firmware-openipc/Config.in"
 source "$BR2_EXTERNAL_HISILICON_PATH/package/majestic-fonts/Config.in"
diff --git a/br-ext-chip-hisilicon/board/hi3536dv100/kernel/hi3536dv100.generic.config b/br-ext-chip-hisilicon/board/hi3536dv100/kernel/hi3536dv100.generic.config
index c1d5c753..3deafcb6 100644
--- a/br-ext-chip-hisilicon/board/hi3536dv100/kernel/hi3536dv100.generic.config
+++ b/br-ext-chip-hisilicon/board/hi3536dv100/kernel/hi3536dv100.generic.config
@@ -2351,9 +2351,9 @@ CONFIG_ISO9660_FS=y
 #
 # DOS/FAT/NT Filesystems
 #
-CONFIG_FAT_FS=y
-CONFIG_MSDOS_FS=y
-CONFIG_VFAT_FS=y
+CONFIG_FAT_FS=m
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=m
 CONFIG_FAT_DEFAULT_CODEPAGE=437
 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 # CONFIG_FAT_DEFAULT_UTF8 is not set
diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv500_openipc_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv500_openipc_defconfig
index a12ca2b1..8987a131 100644
--- a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv500_openipc_defconfig
+++ b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv500_openipc_defconfig
@@ -44,6 +44,7 @@ BR2_TARGET_GENERIC_HOSTNAME="openipc-hi3516cv500"
 BR2_GLOBAL_PATCH_DIR="$(TOPDIR)/../general/package/all-patches"
 
 # OpenIPC packages
+BR2_PACKAGE_AWS_WEBRTC=y
 BR2_PACKAGE_BUSYBOX_CONFIG="$(TOPDIR)/../general/package/busybox/busybox.config"
 BR2_PACKAGE_DROPBEAR_OPENIPC=y
 BR2_PACKAGE_FDK_AAC_OPENIPC=y
diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516ev200_openipc_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516ev200_openipc_defconfig
index a42481ac..22be88e3 100644
--- a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516ev200_openipc_defconfig
+++ b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516ev200_openipc_defconfig
@@ -47,6 +47,7 @@ BR2_TARGET_GENERIC_HOSTNAME="openipc-hi3516ev200"
 BR2_GLOBAL_PATCH_DIR="$(TOPDIR)/../general/package/all-patches"
 
 # OpenIPC packages
+BR2_PACKAGE_AWS_WEBRTC=y
 BR2_PACKAGE_BUSYBOX_CONFIG="$(TOPDIR)/../general/package/busybox/busybox.config"
 BR2_PACKAGE_DROPBEAR_OPENIPC=y
 # BR2_PACKAGE_FDK_AAC_OPENIPC is not set
diff --git a/br-ext-chip-hisilicon/package/libsrtp-openipc b/br-ext-chip-hisilicon/package/libsrtp-openipc
new file mode 120000
index 00000000..3bd0ec08
--- /dev/null
+++ b/br-ext-chip-hisilicon/package/libsrtp-openipc
@@ -0,0 +1 @@
+../../general/package/libsrtp-openipc
\ No newline at end of file
diff --git a/general/overlay/etc/network/interfaces b/general/overlay/etc/network/interfaces
index 8982bd1e..b58cfaa0 100644
--- a/general/overlay/etc/network/interfaces
+++ b/general/overlay/etc/network/interfaces
@@ -1,4 +1,3 @@
-# Interfaces
 
 auto lo
 iface lo inet loopback
@@ -6,12 +5,9 @@ iface lo inet loopback
 auto eth0
 iface eth0 inet dhcp
     hwaddress ether $(fw_printenv -n ethaddr || echo 00:24:B8:FF:FF:FF)
+    #udhcpc_opts -O search -O ntpsrv -O hostname
     #pre-up echo -e "nameserver 77.88.8.8\nnameserver 8.8.4.4\n" >/tmp/resolv.conf
-
-manual eth0:1
-iface eth0:1 inet static
-    address $(fw_printenv -n ipaddr || echo 192.168.1.10)
-    netmask 255.255.255.0
+    #pre-up echo -e "server 0.time.openipc.org iburst\nserver 1.time.openipc.org iburst\nserver 2.time.openipc.org iburst\nserver 3.time.openipc.org iburst" >/tmp/ntp.conf
 
 manual wlan0
 iface wlan0 inet dhcp
@@ -22,40 +18,12 @@ iface wlan0 inet dhcp
     pre-up modprobe mt7601u
     pre-up wpa_passphrase "SSID" "password" >/tmp/wpa_supplicant.conf
     pre-up sed -i '2i \\tscan_ssid=1' /tmp/wpa_supplicant.conf
-    pre-up (sleep 3; wpa_supplicant -B -D nl80211 -i wlan0 -c/tmp/wpa_supplicant.conf)
+    pre-up sleep 3
+    pre-up wpa_supplicant -B -D nl80211 -i wlan0 -c/tmp/wpa_supplicant.conf
     post-down killall -q wpa_supplicant
     post-down echo 1 > /sys/class/gpio/gpio7/value
     post-down echo 7 > /sys/class/gpio/unexport
 
-manual eth2
-iface eth2 inet dhcp
-    pre-up wifi xm711
-    pre-up wpa_passphrase "SSID" "password" >/tmp/wpa_supplicant.conf
-    pre-up sed -i '2i \\tscan_ssid=1' /tmp/wpa_supplicant.conf
-    pre-up (sleep 3; wpa_supplicant -B -D nl80211 -i eth2 -c/tmp/wpa_supplicant.conf)
-    post-down killall -q wpa_supplicant
-
-manual usb0
-iface usb0 inet dhcp
-    pre-up echo 9 > /sys/class/gpio/export
-    pre-up echo out > /sys/class/gpio/gpio9/direction
-    pre-up echo 0 > /sys/class/gpio/gpio9/value
-    pre-up modprobe usbserial vendor=0x2c7c product=0x6026
-    pre-up modprobe rndis_host
-    pre-up sleep 10
-    post-down echo 1 > /sys/class/gpio/gpio9/value
-    post-down echo 9 > /sys/class/gpio/unexport
-
-manual ppp0
-iface ppp0 inet manual
-    pre-up echo 61 > /sys/class/gpio/export
-    pre-up echo out > /sys/class/gpio/gpio61/direction
-    pre-up echo 0 > /sys/class/gpio/gpio61/value
-    pre-up (sleep 7; pon)
-    post-down poff
-    post-down echo 1 > /sys/class/gpio/gpio61/value
-    post-down echo 61 > /sys/class/gpio/unexport
-
 manual wg0
 iface wg0 inet static
     address 192.168.99.1
@@ -64,3 +32,6 @@ iface wg0 inet static
     pre-up ip link add dev wg0 type wireguard
     pre-up wg setconf wg0 /etc/wireguard.conf
     post-down ip link del dev wg0
+
+#source-dir /etc/network/interfaces.d
+
diff --git a/general/overlay/etc/network/interfaces.d/eth0:1 b/general/overlay/etc/network/interfaces.d/eth0:1
new file mode 100644
index 00000000..5b077a87
--- /dev/null
+++ b/general/overlay/etc/network/interfaces.d/eth0:1
@@ -0,0 +1,5 @@
+
+manual eth0:1
+iface eth0:1 inet static
+    address $(fw_printenv -n ipaddr || echo 192.168.1.10)
+    netmask 255.255.255.0
diff --git a/general/overlay/etc/network/interfaces.d/eth2 b/general/overlay/etc/network/interfaces.d/eth2
new file mode 100644
index 00000000..19a53541
--- /dev/null
+++ b/general/overlay/etc/network/interfaces.d/eth2
@@ -0,0 +1,8 @@
+
+manual eth2
+iface eth2 inet dhcp
+    pre-up wifi xm711
+    pre-up wpa_passphrase "SSID" "password" >/tmp/wpa_supplicant.conf
+    pre-up sed -i '2i \\tscan_ssid=1' /tmp/wpa_supplicant.conf
+    pre-up (sleep 3; wpa_supplicant -B -D nl80211 -i eth2 -c/tmp/wpa_supplicant.conf)
+    post-down killall -q wpa_supplicant
diff --git a/general/overlay/etc/network/interfaces.d/ppp0 b/general/overlay/etc/network/interfaces.d/ppp0
new file mode 100644
index 00000000..8f3ff760
--- /dev/null
+++ b/general/overlay/etc/network/interfaces.d/ppp0
@@ -0,0 +1,9 @@
+
+manual ppp0
+iface ppp0 inet ppp
+    pre-up echo 61 > /sys/class/gpio/export
+    pre-up echo out > /sys/class/gpio/gpio61/direction
+    pre-up echo 0 > /sys/class/gpio/gpio61/value
+    pre-up sleep 7
+    post-down echo 1 > /sys/class/gpio/gpio61/value
+    post-down echo 61 > /sys/class/gpio/unexport
diff --git a/general/overlay/etc/network/interfaces.d/usb0 b/general/overlay/etc/network/interfaces.d/usb0
new file mode 100644
index 00000000..b7486141
--- /dev/null
+++ b/general/overlay/etc/network/interfaces.d/usb0
@@ -0,0 +1,11 @@
+
+manual usb0
+iface usb0 inet dhcp
+    pre-up echo 9 > /sys/class/gpio/export
+    pre-up echo out > /sys/class/gpio/gpio9/direction
+    pre-up echo 0 > /sys/class/gpio/gpio9/value
+    pre-up modprobe usbserial vendor=0x2c7c product=0x6026
+    pre-up modprobe rndis_host
+    pre-up sleep 10
+    post-down echo 1 > /sys/class/gpio/gpio9/value
+    post-down echo 9 > /sys/class/gpio/unexport
diff --git a/general/overlay/root/.ssh b/general/overlay/root/.ssh
new file mode 120000
index 00000000..5fc69082
--- /dev/null
+++ b/general/overlay/root/.ssh
@@ -0,0 +1 @@
+/etc/dropbear
\ No newline at end of file
diff --git a/general/package/aws-producer/aws-producer.mk b/general/package/aws-producer/aws-producer.mk
index 7d6db227..63b2b87c 100644
--- a/general/package/aws-producer/aws-producer.mk
+++ b/general/package/aws-producer/aws-producer.mk
@@ -17,6 +17,7 @@ AWS_PRODUCER_CONF_OPTS += \
 	-DBUILD_DEPENDENCIES=FALSE \
 	-DUSE_OPENSSL=OFF \
 	-DUSE_MBEDTLS=ON \
+	-DBUILD_SHARED_LIBS=OFF \
 	-DCMAKE_BUILD_TYPE=Release
 
 AWS_PRODUCER_MAKE_OPTS += VERBOSE=1
diff --git a/general/package/aws-webrtc/aws-webrtc.mk b/general/package/aws-webrtc/aws-webrtc.mk
index e42db2e2..1e75af0d 100644
--- a/general/package/aws-webrtc/aws-webrtc.mk
+++ b/general/package/aws-webrtc/aws-webrtc.mk
@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-AWS_WEBRTC_VERSION = v1.7.3
+AWS_WEBRTC_VERSION = develop
 AWS_WEBRTC_SITE_METHOD = git
-AWS_WEBRTC_SITE = https://github.com/awslabs/amazon-kinesis-video-streams-webrtc-sdk-c
+AWS_WEBRTC_SITE = https://github.com/OpenIPC/webrtc-c
 AWS_WEBRTC_INSTALL_STAGING = YES
 AWS_WEBRTC_LICENSE = Apache-2.0
 AWS_WEBRTC_LICENSE_FILES = LICENSE
@@ -17,13 +17,13 @@ AWS_WEBRTC_CONF_OPTS += \
 	-DUSE_OPENSSL=OFF \
 	-DUSE_MBEDTLS=ON \
 	-DENABLE_DATA_CHANNEL=OFF \
+	-DBUILD_SAMPLE=OFF \
 	-DBUILD_DEPENDENCIES=OFF
 
 AWS_WEBRTC_MAKE_OPTS += VERBOSE=1
 
 AWS_WEBRTC_DEPENDENCIES = \
-	libsrtp \
-	libwebsockets-openipc \
+	libsrtp-openipc \
 	aws-producer \
 	usrsctp \
 	mbedtls-openipc
diff --git a/general/package/hisilicon-osdrv-hi3516ev200/hisilicon-osdrv-hi3516ev200.mk b/general/package/hisilicon-osdrv-hi3516ev200/hisilicon-osdrv-hi3516ev200.mk
index 7080472a..050c17b1 100644
--- a/general/package/hisilicon-osdrv-hi3516ev200/hisilicon-osdrv-hi3516ev200.mk
+++ b/general/package/hisilicon-osdrv-hi3516ev200/hisilicon-osdrv-hi3516ev200.mk
@@ -22,6 +22,7 @@ define HISILICON_OSDRV_HI3516EV200_INSTALL_TARGET_CMDS
 	$(INSTALL) -m 755 -d $(TARGET_DIR)/etc/sensors/iq
 	$(INSTALL) -m 644 -t $(TARGET_DIR)/etc/sensors/iq $(BR2_EXTERNAL_HISILICON_PATH)/package/hisilicon-osdrv-hi3516ev200/files/sensor/iq/imx307.ini
 	$(INSTALL) -m 644 -t $(TARGET_DIR)/etc/sensors/iq $(BR2_EXTERNAL_HISILICON_PATH)/package/hisilicon-osdrv-hi3516ev200/files/sensor/iq/imx335.ini
+	$(INSTALL) -m 644 -t $(TARGET_DIR)/etc/sensors/iq $(BR2_EXTERNAL_HISILICON_PATH)/package/hisilicon-osdrv-hi3516ev200/files/sensor/iq/f23.ini
 	ln -sf imx307.ini $(TARGET_DIR)/etc/sensors/iq/default.ini
 
 	$(INSTALL) -m 755 -d $(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED)/hisilicon
diff --git a/general/package/libevent-openipc/libevent-openipc.mk b/general/package/libevent-openipc/libevent-openipc.mk
index f1f8b15d..473dde17 100644
--- a/general/package/libevent-openipc/libevent-openipc.mk
+++ b/general/package/libevent-openipc/libevent-openipc.mk
@@ -10,11 +10,17 @@ LIBEVENT_OPENIPC_INSTALL_STAGING = YES
 LIBEVENT_OPENIPC_LICENSE = BSD-3-Clause, OpenBSD
 LIBEVENT_OPENIPC_LICENSE_FILES = LICENSE
 LIBEVENT_OPENIPC_CONF_OPTS = \
+	-D_GNU_SOURCE=ON \
 	-DEVENT__DISABLE_BENCHMARK=ON \
 	-DEVENT__DISABLE_SAMPLES=ON \
 	-DEVENT__DISABLE_TESTS=ON \
 	-DCMAKE_BUILD_TYPE=Release
 
+define LIBEVENT_OPENIPC_PATCH_MMAH_H
+	sed -i 's/#define mmap64 mmap/void *mmap64 (void *, size_t, int, int, int, off_t);/' $(STAGING_DIR)/usr/include/sys/mman.h
+endef
+
+LIBEVENT_OPENIPC_PRE_BUILD_HOOKS += LIBEVENT_OPENIPC_PATCH_MMAH_H
 
 define LIBEVENT_OPENIPC_REMOVE_PYSCRIPT
 	rm $(TARGET_DIR)/usr/bin/event_rpcgen.py
diff --git a/general/package/libsrtp-openipc/Config.in b/general/package/libsrtp-openipc/Config.in
new file mode 100644
index 00000000..75545864
--- /dev/null
+++ b/general/package/libsrtp-openipc/Config.in
@@ -0,0 +1,8 @@
+config BR2_PACKAGE_LIBSRTP_OPENIPC
+	bool "libsrtp_openipc"
+	help
+	  This package provides an implementation of the Secure
+	  Real-time Transport Protocol (SRTP), the Universal Security
+	  Transform (UST), and a supporting cryptographic kernel.
+
+	  https://github.com/cisco/libsrtp
diff --git a/general/package/libsrtp-openipc/libsrtp-openipc.mk b/general/package/libsrtp-openipc/libsrtp-openipc.mk
new file mode 100644
index 00000000..7860dcc9
--- /dev/null
+++ b/general/package/libsrtp-openipc/libsrtp-openipc.mk
@@ -0,0 +1,22 @@
+################################################################################
+#
+# libsrtp-openipc
+#
+################################################################################
+
+LIBSRTP_OPENIPC_VERSION = bd0f27ec0e299ad101a396dde3f7c90d48efc8fc
+LIBSRTP_OPENIPC_SITE = https://github.com/cisco/libsrtp.git
+LIBSRTP_OPENIPC_SITE_METHOD = git
+LIBSRTP_OPENIPC_INSTALL_STAGING = YES
+LIBSRTP_OPENIPC_LICENSE = BSD-3-Clause
+LIBSRTP_OPENIPC_LICENSE_FILES = LICENSE
+LIBSRTP_OPENIPC_CPE_ID_VENDOR = cisco
+
+LIBSRTP_OPENIPC_CONF_OPTS = \
+	-DENABLE_OPENSSL=OFF \
+	-DBUILD_SHARED_LIBS=OFF \
+	-DCMAKE_BUILD_TYPE:STRING=Release
+
+LIBSRTP_OPENIPC_MAKE_OPTS += VERBOSE=1
+
+$(eval $(cmake-package))
diff --git a/general/package/mavlink-router/files/mavlink.conf b/general/package/mavlink-router/files/mavlink.conf
index c3ee677e..d9e11cd2 100644
--- a/general/package/mavlink-router/files/mavlink.conf
+++ b/general/package/mavlink-router/files/mavlink.conf
@@ -8,4 +8,9 @@ Baud = 115200
 [UdpEndpoint telemetry_tx]
 Mode = Normal
 Address = 127.0.0.1
-Port = 14701
+Port = 14600
+
+[UdpEndpoint telemetry_rx]
+Mode = Server
+Address = 0.0.0.0
+Port = 14601
diff --git a/general/package/usrsctp/usrsctp.mk b/general/package/usrsctp/usrsctp.mk
index e6bcd894..288c1461 100644
--- a/general/package/usrsctp/usrsctp.mk
+++ b/general/package/usrsctp/usrsctp.mk
@@ -15,6 +15,7 @@ USRSCTP_CONF_OPTS += \
 	-Dsctp_werror=0 \
 	-Dsctp_build_programs=0 \
 	-Dsctp_debug=0 \
+	-DBUILD_SHARED_LIBS=OFF \
 	-DCMAKE_BUILD_TYPE=Release
 
 USRSCTP_MAKE_OPTS += VERBOSE=1
diff --git a/general/package/wifibroadcast/files/S98wfb b/general/package/wifibroadcast/files/S98wfb
index eb72b5c9..5295d3d5 100755
--- a/general/package/wifibroadcast/files/S98wfb
+++ b/general/package/wifibroadcast/files/S98wfb
@@ -6,6 +6,7 @@
 . /etc/wfb.conf
 
 keydir="/etc"
+chip=$(ipcinfo -c)
 
 load_rtl() {
   modprobe cfg80211
@@ -41,6 +42,11 @@ start_wfb() {
 
 case "$1" in
   start)
+	if ! [ -f /etc/system.ok ]; then
+		killall majestic
+		/usr/bin/tweaksys ${chip}
+	fi
+
     if [ ${daemon} -eq 1 ]; then
 
 	  echo "Loading modules for selected driver..."
@@ -77,7 +83,8 @@ case "$1" in
 	  echo "Done."
 
 	  if [ ${telemetry} = "true" ]; then
-		  sh /usr/bin/telemetry start
+		/usr/bin/mavlink-routerd &
+		/usr/bin/telemetry start
 	  fi
 
 	else
diff --git a/general/package/wifibroadcast/files/telemetry.conf b/general/package/wifibroadcast/files/telemetry.conf
index 17925fd0..7161c22c 100644
--- a/general/package/wifibroadcast/files/telemetry.conf
+++ b/general/package/wifibroadcast/files/telemetry.conf
@@ -6,8 +6,8 @@ mcs_index=1
 stream_rx=144
 stream_tx=16
 link_id=7669206
-port_rx=14700
-port_tx=14701
+port_rx=14601
+port_tx=14600
 fec_k=1
 fec_n=2
 fec_timeout=0
diff --git a/general/package/wifibroadcast/files/tweaksys b/general/package/wifibroadcast/files/tweaksys
new file mode 100755
index 00000000..8e2cf839
--- /dev/null
+++ b/general/package/wifibroadcast/files/tweaksys
@@ -0,0 +1,77 @@
+#!/bin/sh
+
+chip=$(ipcinfo -c)
+family=$(ipcinfo -f)
+vendor=$(ipcinfo -v)
+sensor=$(ipcinfo -s)
+prefix=${family}
+
+cli="yaml-cli -i /etc/majestic.yaml"
+
+all_other() {
+  if [ ${vendor} = "hisilicon" ]; then
+	prefix="open"
+  fi
+  # remove unneded modules
+  sed -i "s!insmod ${prefix}_rgn.ko!#insmod ${prefix}_rgn.ko!g" /usr/bin/load_${vendor}
+  sed -i "s!insmod ${prefix}_jpege.ko!#insmod ${prefix}_jpege.ko!g" /usr/bin/load_${vendor}
+  sed -i "s!insmod ${prefix}_ive.ko save_power=0!#insmod ${prefix}_ive.ko save_power=0!g" /usr/bin/load_${vendor}
+  sed -i "s!insmod ${prefix}_aio.ko!#insmod ${prefix}_aio.ko!g" /usr/bin/load_${vendor}
+  sed -i "s!insmod ${prefix}_ai.ko!#insmod ${prefix}_ai.ko!g" /usr/bin/load_${vendor}
+  sed -i "s!insmod ${prefix}_ao.ko!#insmod ${prefix}_ao.ko!g" /usr/bin/load_${vendor}
+  sed -i "s!insmod ${prefix}_aenc.ko!#insmod ${prefix}_aenc.ko!g" /usr/bin/load_${vendor}
+  sed -i "s!insmod ${prefix}_adec.ko!#insmod ${prefix}_adec.ko!g" /usr/bin/load_${vendor}
+  sed -i "s!insmod ${prefix}_acodec.ko!#insmod ${prefix}_acodec.ko!g" /usr/bin/load_${vendor}
+  # change fps 25 -> 30
+  sed -i "s!Isp_FrameRate=25!Isp_FrameRate=30!g" /etc/sensors/imx307_i2c_2l_1080p.ini
+  # disable mavlink routerd autostart
+  sed -i "s!/usr/bin/mavlink-routerd &!#/usr/bin/mavlink-routerd &!g" /etc/init.d/S97mavlink
+  # majestic basic settings
+  ${cli} -s .isp.slowShutter disabled
+  ${cli} -s .image.contrast 50
+  ${cli} -s .image.luminance 50
+  ${cli} -s .video0.bitrate 5120
+  ${cli} -s .video0.codec h264
+  ${cli} -s .video0.rcMode cbr
+  ${cli} -s .video0.gopSize 0.1
+  ${cli} -s .hls.enabled false
+  ${cli} -s .netip.enabled false
+  ${cli} -s .rtsp.enabled false
+  ${cli} -s .jpeg.enabled false
+  # lowdelay support only imx307 sensor
+  if [ ${sensor} = "imx307" ]; then
+      ${cli} -s .isp.lowDelay true
+	  # ${cli} -s .video0.sliceUnits: 4
+  fi
+# add outgoing rtp stream to udp
+cat >> /etc/majestic.yaml << EOF
+outgoing:
+  - udp://127.0.0.1:5600
+EOF
+  # complete tweaks
+  touch /etc/system.ok
+  echo "Preparing system done."
+  reboot
+}
+
+case "$1" in
+  gk7205v200 | hi3516ev200)
+	echo "Preparig system tweaks for ${chip}..."
+	# set osmem
+	fw_setenv osmem 40M
+	# change uart1 to uart0
+    sed -i "s!Device = /dev/ttyAMA1!Device = /dev/ttyAMA0!g" /etc/mavlink.conf
+	sed -i "s!console::respawn:/sbin/getty -L  console 0 vt100 # GENERIC_SERIAL!#console::respawn:/sbin/getty -L  console 0 vt100 # GENERIC_SERIAL!g" /etc/inittab
+	# remove unneded
+    rm -f /etc/modules /etc/init.d/S60crond /etc/init.d/S49ntpd /etc/init.d/S50httpd /etc/init.d/S02klogd
+
+	all_other
+	;;
+  gk7205v300 | hi3516ev300)
+	echo "Preparig system tweaks for ${chip}..."
+	all_other
+	;;
+	*)
+	echo "Usage: $0 {gk7205v200|gk7205v300|hi3516ev200|hi3516ev300}"
+	exit 1
+esac
diff --git a/general/package/wifibroadcast/files/wfb.conf b/general/package/wifibroadcast/files/wfb.conf
index 4c2daffe..7a4f05b8 100644
--- a/general/package/wifibroadcast/files/wfb.conf
+++ b/general/package/wifibroadcast/files/wfb.conf
@@ -4,7 +4,7 @@ wlan=wlan0
 region=BO
 channel=14
 txpower=20
-driver_txpower_override=30
+driver_txpower_override=20
 bandwidth=20
 stbc=1
 ldpc=1
@@ -16,4 +16,4 @@ fec_k=8
 fec_n=12
 fec_timeout=0
 guard_interval=long
-telemetry=false
+telemetry=true
diff --git a/general/package/wifibroadcast/wifibroadcast.mk b/general/package/wifibroadcast/wifibroadcast.mk
index 8f14491b..90e60c33 100644
--- a/general/package/wifibroadcast/wifibroadcast.mk
+++ b/general/package/wifibroadcast/wifibroadcast.mk
@@ -32,6 +32,9 @@ define WIFIBROADCAST_INSTALL_TARGET_CMDS
 	$(INSTALL) -m 755 -d $(TARGET_DIR)/usr/bin
 	cp ../general/package/wifibroadcast/files/telemetry $(TARGET_DIR)/usr/bin
 
+	$(INSTALL) -m 755 -d $(TARGET_DIR)/usr/bin
+	cp ../general/package/wifibroadcast/files/tweaksys $(TARGET_DIR)/usr/bin
+
 	$(INSTALL) -m 755 -d $(TARGET_DIR)/etc
 	cp ../general/package/wifibroadcast/files/telemetry.conf $(TARGET_DIR)/etc
 endef