diff --git a/package/kernel/linux/modules/hwmon.mk b/package/kernel/linux/modules/hwmon.mk
index 31836fbceb..c0a477856e 100644
--- a/package/kernel/linux/modules/hwmon.mk
+++ b/package/kernel/linux/modules/hwmon.mk
@@ -324,7 +324,7 @@ define KernelPackage/pmbus-zl6100
   $(call AddDepends/hwmon, +kmod-pmbus-core)
 endef
 
-define KernelPackage/hwmon-sht21/description
+define KernelPackage/pmbus-zl6100/description
  Kernel module for Intersil / Zilker Labs ZL6100 and
 compatible digital DC-DC controllers
 endef
diff --git a/package/kernel/linux/modules/input.mk b/package/kernel/linux/modules/input.mk
index 99257b6725..8c5eaf5549 100644
--- a/package/kernel/linux/modules/input.mk
+++ b/package/kernel/linux/modules/input.mk
@@ -119,7 +119,7 @@ define KernelPackage/input-gpio-encoder
   AUTOLOAD:=$(call AutoProbe,rotary_encoder)
 endef
 
-define KernelPackage/gpio-encoder/description
+define KernelPackage/input-gpio-encoder/description
  Kernel module to use rotary encoders connected to GPIO pins
 endef
 
@@ -166,7 +166,7 @@ define KernelPackage/input-matrixkmap
   AUTOLOAD:=$(call AutoProbe,matrix-keymap)
 endef
 
-define KernelPackage/input-matrix/description
+define KernelPackage/input-matrixkmap/description
  Kernel module support for input matrix devices
 endef
 
diff --git a/package/kernel/linux/modules/netdevices.mk b/package/kernel/linux/modules/netdevices.mk
index 13fc999bac..c0ab09230b 100644
--- a/package/kernel/linux/modules/netdevices.mk
+++ b/package/kernel/linux/modules/netdevices.mk
@@ -279,7 +279,7 @@ define KernelPackage/switch-rtl8366-smi
   AUTOLOAD:=$(call AutoLoad,42,rtl8366_smi)
 endef
 
-define KernelPackage/switch-rtl8366_smi/description
+define KernelPackage/switch-rtl8366-smi/description
   Realtek RTL8366 series SMI switch interface support
 endef
 
diff --git a/package/kernel/linux/modules/sound.mk b/package/kernel/linux/modules/sound.mk
index c83e553d8f..8d63ddfc53 100644
--- a/package/kernel/linux/modules/sound.mk
+++ b/package/kernel/linux/modules/sound.mk
@@ -301,7 +301,7 @@ define KernelPackage/sound-dummy
   AUTOLOAD:=$(call AutoLoad,32,snd-dummy)
 endef
 
-define KernelPackage/sound_dummy/description
+define KernelPackage/sound-dummy/description
  Dummy sound device for Alsa when no hardware present
 endef
 
diff --git a/package/lean/luci-app-adbyby-plus/luasrc/model/cbi/adbyby.lua b/package/lean/luci-app-adbyby-plus/luasrc/model/cbi/adbyby.lua
index 66e570dedc..386c480855 100644
--- a/package/lean/luci-app-adbyby-plus/luasrc/model/cbi/adbyby.lua
+++ b/package/lean/luci-app-adbyby-plus/luasrc/model/cbi/adbyby.lua
@@ -8,7 +8,7 @@ local DL = SYS.exec("head -1 /tmp/adbyby/data/lazy.txt | awk -F' ' '{print $3,$4
 local DV = SYS.exec("head -1 /tmp/adbyby/data/video.txt | awk -F' ' '{print $3,$4}'") or ""
 local NR = SYS.exec("grep -v '^!' /usr/share/adbyby/data/rules.txt | wc -l")
 local NU = SYS.exec("cat /usr/share/adbyby/data/user.txt | wc -l")
-local UD = SYS.exec("cat /tmp/adbyby.updated") or " "
+local UD = NXFS.readfile("/tmp/adbyby.updated") or "1970-01-01 00:00:00"
 local ND = SYS.exec("cat /usr/share/adbyby/dnsmasq.adblock | wc -l")
 
 m = Map("adbyby")
diff --git a/package/lean/luci-app-adbyby-plus/root/etc/init.d/adbyby b/package/lean/luci-app-adbyby-plus/root/etc/init.d/adbyby
index e37e4b0a4d..212dba9b6c 100755
--- a/package/lean/luci-app-adbyby-plus/root/etc/init.d/adbyby
+++ b/package/lean/luci-app-adbyby-plus/root/etc/init.d/adbyby
@@ -164,7 +164,7 @@ start()
 	[ $enable -eq 0 ] && exit 0
 	add_cron
   [ ! -d "/tmp/adbyby/data" ]  && cp -a /usr/share/adbyby /tmp/ && rm -f /tmp/adbyby.updated
-  /usr/share/adbyby/admem.sh &
+  /usr/share/adbyby/admem.sh &>/dev/null &
 	add_rules
 	/tmp/adbyby/adbyby &>/dev/null &
 	add_dns
diff --git a/package/lean/luci-app-ssr-plus/Makefile b/package/lean/luci-app-ssr-plus/Makefile
index 9d826919f9..680b2c13dd 100644
--- a/package/lean/luci-app-ssr-plus/Makefile
+++ b/package/lean/luci-app-ssr-plus/Makefile
@@ -2,7 +2,8 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=luci-app-ssr-plus
 PKG_VERSION:=150
-PKG_RELEASE:=1
+PKG_RELEASE:=2
+
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/lean/luci-app-ssr-plus/luasrc/controller/shadowsocksr.lua b/package/lean/luci-app-ssr-plus/luasrc/controller/shadowsocksr.lua
index 16312f2517..d882b2ed2e 100644
--- a/package/lean/luci-app-ssr-plus/luasrc/controller/shadowsocksr.lua
+++ b/package/lean/luci-app-ssr-plus/luasrc/controller/shadowsocksr.lua
@@ -99,21 +99,25 @@ else
 	retstring ="-1"
 end
 elseif set == "ip_data" then
-refresh_cmd="wget -O- 'http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest'  2>/dev/null| awk -F\\| '/CN\\|ipv4/ { printf(\"%s/%d\\n\", $4, 32-log($5)/log(2)) }' > /tmp/china_ssr.txt"
-sret=luci.sys.call(refresh_cmd)
-icount = luci.sys.exec("cat /tmp/china_ssr.txt | wc -l")
-if sret== 0 and tonumber(icount)>1000 then
-	oldcount=luci.sys.exec("cat /etc/china_ssr.txt | wc -l")
-	if tonumber(icount) ~= tonumber(oldcount) then
-	luci.sys.exec("cp -f /tmp/china_ssr.txt /etc/china_ssr.txt")
-	retstring=tostring(tonumber(icount))
+	if (luci.model.uci.cursor():get_first('shadowsocksr', 'global', 'chnroute', '0') == '1') then
+		refresh_cmd="wget-ssl --no-check-certificate -O - " .. luci.model.uci.cursor():get_first('shadowsocksr', 'global', 'chnroute_url', 'https://pexcn.me/daily/chnroute/chnroute.txt') .. ' > /tmp/china_ssr.txt 2>/dev/null'
 	else
-	retstring ="0"
+		refresh_cmd="wget -O- 'http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest'  2>/dev/null| awk -F\\| '/CN\\|ipv4/ { printf(\"%s/%d\\n\", $4, 32-log($5)/log(2)) }' > /tmp/china_ssr.txt"
 	end
-else
-	retstring ="-1"
-end
-luci.sys.exec("rm -f /tmp/china_ssr.txt ")
+	sret=luci.sys.call(refresh_cmd)
+	icount = luci.sys.exec("cat /tmp/china_ssr.txt | wc -l")
+	if sret== 0 and tonumber(icount)>1000 then
+		oldcount=luci.sys.exec("cat /etc/china_ssr.txt | wc -l")
+		if tonumber(icount) ~= tonumber(oldcount) then
+			luci.sys.exec("cp -f /tmp/china_ssr.txt /etc/china_ssr.txt")
+			retstring=tostring(tonumber(icount))
+		else
+			retstring ="0"
+		end
+	else
+		retstring ="-1"
+	end
+	luci.sys.exec("rm -f /tmp/china_ssr.txt ")
 else
 if nixio.fs.access("/usr/bin/wget-ssl") then
 	refresh_cmd="wget-ssl --no-check-certificate -O - ".. luci.model.uci.cursor():get_first('shadowsocksr', 'global', 'adblock_url','https://easylist-downloads.adblockplus.org/easylistchina+easylist.txt') .." > /tmp/adnew.conf"
diff --git a/package/lean/luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/advanced.lua b/package/lean/luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/advanced.lua
index c72cc58751..7e1070cb1e 100644
--- a/package/lean/luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/advanced.lua
+++ b/package/lean/luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/advanced.lua
@@ -54,6 +54,16 @@ o.rmempty = false
 o = s:option(Value, "adblock_url", translate("adblock_url"))
 o.default = "https://easylist-downloads.adblockplus.org/easylistchina+easylist.txt"
 
+-- [[ chnroute ]]
+s = m:section(TypedSection, "global", translate("Chnroute Setting"))
+s.anonymous = true
+
+o = s:option(Flag, "chnroute", translate("Enable custom chnroute"))
+o.rmempty = false
+
+o = s:option(Value, "chnroute_url", translate("Update url"))
+o.default = "https://cdn.jsdelivr.net/gh/17mon/china_ip_list/china_ip_list.txt"
+
 -- [[ SOCKS Proxy ]]--
 if nixio.fs.access("/usr/bin/srelay") then
 s = m:section(TypedSection, "socks5_proxy", translate("SOCKS Proxy"))
diff --git a/package/lean/luci-app-ssr-plus/po/zh-cn/ssr-plus.po b/package/lean/luci-app-ssr-plus/po/zh-cn/ssr-plus.po
index 167842a377..f2336e7181 100644
--- a/package/lean/luci-app-ssr-plus/po/zh-cn/ssr-plus.po
+++ b/package/lean/luci-app-ssr-plus/po/zh-cn/ssr-plus.po
@@ -337,6 +337,15 @@ msgstr "启用进程自动守护"
 msgid "Advertising Data"
 msgstr "【广告屏蔽】数据库"
 
+msgid "Chnroute Setting"
+msgstr "国内IP段数据库更新设置"
+
+msgid "Enable custom chnroute"
+msgstr "启用自定义更新地址"
+
+msgid "Update url"
+msgstr "更新链接"
+
 msgid "DNS Server IP and Port"
 msgstr "DNS服务器地址和端口"
 
diff --git a/package/lean/luci-app-ssr-plus/root/usr/share/shadowsocksr/update.lua b/package/lean/luci-app-ssr-plus/root/usr/share/shadowsocksr/update.lua
index 8c2958ad99..8ac39a2ec0 100644
--- a/package/lean/luci-app-ssr-plus/root/usr/share/shadowsocksr/update.lua
+++ b/package/lean/luci-app-ssr-plus/root/usr/share/shadowsocksr/update.lua
@@ -42,13 +42,17 @@ else
 end
 
 log('正在更新【国内IP段】数据库')
-refresh_cmd="wget -O- 'http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest'  2>/dev/null| awk -F\\| '/CN\\|ipv4/ { printf(\"%s/%d\\n\", $4, 32-log($5)/log(2)) }' > /tmp/china_ssr.txt"
+if (ucic:get_first('shadowsocksr', 'global', 'chnroute','0') == '1' ) then
+	refresh_cmd="wget-ssl --no-check-certificate -O - ".. ucic:get_first('shadowsocksr', 'global', 'chnroute_url','https://cdn.jsdelivr.net/gh/17mon/china_ip_list/china_ip_list.txt') .." > /tmp/china_ssr.txt 2>/dev/null"
+else
+	refresh_cmd="wget -O- 'http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest'  2>/dev/null| awk -F\\| '/CN\\|ipv4/ { printf(\"%s/%d\\n\", $4, 32-log($5)/log(2)) }' > /tmp/china_ssr.txt"
+end
 sret=luci.sys.call(refresh_cmd)
 icount = luci.sys.exec("cat /tmp/china_ssr.txt | wc -l")
-	if sret== 0 then
+if sret== 0 then
 	icount = luci.sys.exec("cat /tmp/china_ssr.txt | wc -l")
 	if tonumber(icount)>1000 then
-	oldcount=luci.sys.exec("cat /etc/china_ssr.txt | wc -l")
+		oldcount=luci.sys.exec("cat /etc/china_ssr.txt | wc -l")
 		if tonumber(icount) ~= tonumber(oldcount) then
 			luci.sys.exec("cp -f /tmp/china_ssr.txt /etc/china_ssr.txt")
 --			retstring=tostring(math.ceil(tonumber(icount)/2))
@@ -57,7 +61,7 @@ icount = luci.sys.exec("cat /tmp/china_ssr.txt | wc -l")
 			log('你已经是最新数据，无需更新！')
 		end
 	else
-	log('更新失败！')
+		log('更新失败！')
 	end
 	luci.sys.exec("rm -f /tmp/china_ssr.txt")
 else
diff --git a/target/linux/generic/pending-4.14/681-NET-add-of_get_mac_address_mtd.patch b/target/linux/generic/pending-4.14/681-NET-add-of_get_mac_address_mtd.patch
index 2b89a05238..9de3097cca 100644
--- a/target/linux/generic/pending-4.14/681-NET-add-of_get_mac_address_mtd.patch
+++ b/target/linux/generic/pending-4.14/681-NET-add-of_get_mac_address_mtd.patch
@@ -32,17 +32,67 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  {
  	struct property *pp = of_find_property(np, name, NULL);
  
-@@ -47,6 +48,79 @@ static const void *of_get_mac_addr(struc
+@@ -47,6 +48,138 @@ static const void *of_get_mac_addr(struc
  	return NULL;
  }
  
++typedef int(*mtd_mac_address_read)(struct mtd_info *mtd, loff_t from, u_char *buf);
++
++static int read_mtd_mac_address(struct mtd_info *mtd, loff_t from, u_char *mac)
++{
++	size_t retlen;
++
++	return mtd_read(mtd, from, 6, &retlen, mac);
++}
++
++static int read_mtd_mac_address_ascii(struct mtd_info *mtd, loff_t from, u_char *mac)
++{
++	size_t retlen;
++	char buf[17];
++
++	if (mtd_read(mtd, from, 12, &retlen, buf)) {
++		return -1;
++	}
++	if (sscanf(buf, "%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx",
++			&mac[0], &mac[1], &mac[2], &mac[3],
++			&mac[4], &mac[5]) == 6) {
++		if (mac[0] == '\0' && mac[1] == '\0') { /* First 2 bytes are zero, probably a bug. Trying to re-read */
++			buf[4] = '\0'; /* Make it null-terminated */
++			if (sscanf(buf, "%4hx", mac) == 1)
++				*(uint16_t*)mac = htons(*(uint16_t*)mac);
++		}
++		return 0;
++	}
++	if (mtd_read(mtd, from+12, 5, &retlen, buf+12)) {
++		return -1;
++	}
++	if (sscanf(buf, "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx",
++			&mac[0], &mac[1], &mac[2], &mac[3],
++			&mac[4], &mac[5]) == 6) {
++		return 0;
++	}
++	return -1;
++}
++
++static struct mtd_mac_address_property {
++	char *name;
++	mtd_mac_address_read read;
++} mtd_mac_address_properties[] = {
++	{
++		.name = "mtd-mac-address",
++		.read = read_mtd_mac_address,
++	}, {
++		.name = "mtd-mac-address-ascii",
++		.read = read_mtd_mac_address_ascii,
++	},
++};
++
 +static const void *of_get_mac_address_mtd(struct device_node *np)
 +{
 +#ifdef CONFIG_MTD
 +	struct device_node *mtd_np = NULL;
 +	struct property *prop;
-+	size_t retlen;
-+	int size, ret;
++	int size, ret = -1;
 +	struct mtd_info *mtd;
 +	const char *part;
 +	const __be32 *list;
@@ -51,28 +101,37 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +	u8 mac[ETH_ALEN];
 +	void *addr;
 +	u32 inc_idx;
++	int i;
 +
-+	list = of_get_property(np, "mtd-mac-address", &size);
-+	if (!list || (size != (2 * sizeof(*list))))
++	for (i = 0; i < ARRAY_SIZE(mtd_mac_address_properties); i++) {
++		list = of_get_property(np, mtd_mac_address_properties[i].name, &size);
++		if (!list || (size != (2 * sizeof(*list))))
++			continue;
++
++		phandle = be32_to_cpup(list++);
++		if (phandle)
++			mtd_np = of_find_node_by_phandle(phandle);
++
++		if (!mtd_np)
++			continue;
++
++		part = of_get_property(mtd_np, "label", NULL);
++		if (!part)
++			part = mtd_np->name;
++
++		mtd = get_mtd_device_nm(part);
++		if (IS_ERR(mtd))
++			continue;
++
++		ret = mtd_mac_address_properties[i].read(mtd, be32_to_cpup(list), mac);
++		put_mtd_device(mtd);
++		if (!ret) {
++			break;
++		}
++	}
++	if (ret) {
 +		return NULL;
-+
-+	phandle = be32_to_cpup(list++);
-+	if (phandle)
-+		mtd_np = of_find_node_by_phandle(phandle);
-+
-+	if (!mtd_np)
-+		return NULL;
-+
-+	part = of_get_property(mtd_np, "label", NULL);
-+	if (!part)
-+		part = mtd_np->name;
-+
-+	mtd = get_mtd_device_nm(part);
-+	if (IS_ERR(mtd))
-+		return NULL;
-+
-+	ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac);
-+	put_mtd_device(mtd);
++	}
 +
 +	if (of_property_read_u32(np, "mtd-mac-address-increment-byte", &inc_idx))
 +		inc_idx = 5;
@@ -112,7 +171,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  /**
   * Search the device tree for the best MAC address to use.  'mac-address' is
   * checked first, because that is supposed to contain to "most recent" MAC
-@@ -64,11 +138,18 @@ static const void *of_get_mac_addr(struc
+@@ -64,11 +192,18 @@ static const void *of_get_mac_addr(struc
   * addresses.  Some older U-Boots only initialized 'local-mac-address'.  In
   * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists
   * but is all zeros.
diff --git a/target/linux/generic/pending-4.19/681-NET-add-of_get_mac_address_mtd.patch b/target/linux/generic/pending-4.19/681-NET-add-of_get_mac_address_mtd.patch
index 13f5640590..ab43007e24 100644
--- a/target/linux/generic/pending-4.19/681-NET-add-of_get_mac_address_mtd.patch
+++ b/target/linux/generic/pending-4.19/681-NET-add-of_get_mac_address_mtd.patch
@@ -32,17 +32,67 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  {
  	struct property *pp = of_find_property(np, name, NULL);
  
-@@ -48,6 +49,79 @@ static const void *of_get_mac_addr(struc
+@@ -48,6 +49,138 @@ static const void *of_get_mac_addr(struc
  	return NULL;
  }
  
++typedef int(*mtd_mac_address_read)(struct mtd_info *mtd, loff_t from, u_char *buf);
++
++static int read_mtd_mac_address(struct mtd_info *mtd, loff_t from, u_char *mac)
++{
++	size_t retlen;
++
++	return mtd_read(mtd, from, 6, &retlen, mac);
++}
++
++static int read_mtd_mac_address_ascii(struct mtd_info *mtd, loff_t from, u_char *mac)
++{
++	size_t retlen;
++	char buf[17];
++
++	if (mtd_read(mtd, from, 12, &retlen, buf)) {
++		return -1;
++	}
++	if (sscanf(buf, "%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx",
++			&mac[0], &mac[1], &mac[2], &mac[3],
++			&mac[4], &mac[5]) == 6) {
++		if (mac[0] == '\0' && mac[1] == '\0') { /* First 2 bytes are zero, probably a bug. Trying to re-read */
++			buf[4] = '\0'; /* Make it null-terminated */
++			if (sscanf(buf, "%4hx", mac) == 1)
++				*(uint16_t*)mac = htons(*(uint16_t*)mac);
++		}
++		return 0;
++	}
++	if (mtd_read(mtd, from+12, 5, &retlen, buf+12)) {
++		return -1;
++	}
++	if (sscanf(buf, "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx",
++			&mac[0], &mac[1], &mac[2], &mac[3],
++			&mac[4], &mac[5]) == 6) {
++		return 0;
++	}
++	return -1;
++}
++
++static struct mtd_mac_address_property {
++	char *name;
++	mtd_mac_address_read read;
++} mtd_mac_address_properties[] = {
++	{
++		.name = "mtd-mac-address",
++		.read = read_mtd_mac_address,
++	}, {
++		.name = "mtd-mac-address-ascii",
++		.read = read_mtd_mac_address_ascii,
++	},
++};
++
 +static const void *of_get_mac_address_mtd(struct device_node *np)
 +{
 +#ifdef CONFIG_MTD
 +	struct device_node *mtd_np = NULL;
 +	struct property *prop;
-+	size_t retlen;
-+	int size, ret;
++	int size, ret = -1;
 +	struct mtd_info *mtd;
 +	const char *part;
 +	const __be32 *list;
@@ -51,28 +101,37 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +	u8 mac[ETH_ALEN];
 +	void *addr;
 +	u32 inc_idx;
++	int i;
 +
-+	list = of_get_property(np, "mtd-mac-address", &size);
-+	if (!list || (size != (2 * sizeof(*list))))
++	for (i = 0; i < ARRAY_SIZE(mtd_mac_address_properties); i++) {
++		list = of_get_property(np, mtd_mac_address_properties[i].name, &size);
++		if (!list || (size != (2 * sizeof(*list))))
++			continue;
++
++		phandle = be32_to_cpup(list++);
++		if (phandle)
++			mtd_np = of_find_node_by_phandle(phandle);
++
++		if (!mtd_np)
++			continue;
++
++		part = of_get_property(mtd_np, "label", NULL);
++		if (!part)
++			part = mtd_np->name;
++
++		mtd = get_mtd_device_nm(part);
++		if (IS_ERR(mtd))
++			continue;
++
++		ret = mtd_mac_address_properties[i].read(mtd, be32_to_cpup(list), mac);
++		put_mtd_device(mtd);
++		if (!ret) {
++			break;
++		}
++	}
++	if (ret) {
 +		return NULL;
-+
-+	phandle = be32_to_cpup(list++);
-+	if (phandle)
-+		mtd_np = of_find_node_by_phandle(phandle);
-+
-+	if (!mtd_np)
-+		return NULL;
-+
-+	part = of_get_property(mtd_np, "label", NULL);
-+	if (!part)
-+		part = mtd_np->name;
-+
-+	mtd = get_mtd_device_nm(part);
-+	if (IS_ERR(mtd))
-+		return NULL;
-+
-+	ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac);
-+	put_mtd_device(mtd);
++	}
 +
 +	if (of_property_read_u32(np, "mtd-mac-address-increment-byte", &inc_idx))
 +		inc_idx = 5;
@@ -112,7 +171,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  /**
   * Search the device tree for the best MAC address to use.  'mac-address' is
   * checked first, because that is supposed to contain to "most recent" MAC
-@@ -65,11 +139,18 @@ static const void *of_get_mac_addr(struc
+@@ -65,11 +193,18 @@ static const void *of_get_mac_addr(struc
   * addresses.  Some older U-Boots only initialized 'local-mac-address'.  In
   * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists
   * but is all zeros.
diff --git a/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips b/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips
index 003a4dda7b..68c1285eb4 100644
--- a/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips
+++ b/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips
@@ -3,27 +3,54 @@
 # Copyright (C) 2013 OpenWrt.org
 #
 
-ramips_set_preinit_iface() {
-	RT3X5X=$(grep -E "(RT3.5|RT5350|MT7628|MT7688|MT7620|MT7621)" /proc/cpuinfo)
+. /lib/functions.sh
 
-	if [ -n "${RT3X5X}" ]; then
-		# The ethernet switch driver enables VLAN by default, but
-		# failsafe uses eth0, making the device unreachable:
-		# https://dev.openwrt.org/ticket/18768
-		case "${RT3X5X}" in
-		*MT7620*)
-			ralink_switchdev=mt7620
-			;;
-		*MT7621*)
-			ralink_switchdev=mt7530
-			;;
-		*)
-			ralink_switchdev=rt305x
-			;;
-		esac
-		swconfig dev $ralink_switchdev set reset 1
-		swconfig dev $ralink_switchdev set enable_vlan 0
-		swconfig dev $ralink_switchdev set apply 1
+ramips_switchdev_from_soc() {
+	# The ethernet switch driver enables VLAN by default, but
+	# failsafe uses eth0, making the device unreachable:
+	# https://dev.openwrt.org/ticket/18768
+
+	local switchdev
+	local RT3X5X=$(grep -E "(RT3.5|RT5350|MT7628|MT7688|MT7620|MT7621)" /proc/cpuinfo)
+
+	[ -n "$RT3X5X" ] || return 1
+
+	case "$RT3X5X" in
+	*MT7620*)
+		switchdev=mt7620
+		;;
+	*MT7621*)
+		switchdev=mt7530
+		;;
+	*)
+		switchdev=rt305x
+		;;
+	esac
+
+	echo "$switchdev"
+}
+
+ramips_switchdev_from_board() {
+	# For these devices, external ethernet switch should be used
+	# instead of the SoC internal switch.
+
+	local switchdev
+	local board=$(board_name)
+
+	case "$board" in
+	esac
+
+	echo "$switchdev"
+}
+
+ramips_set_preinit_iface() {
+	local switchdev=$(ramips_switchdev_from_board)
+	[ -n "$switchdev" ] || switchdev=$(ramips_switchdev_from_soc)
+
+	if [ -n "$switchdev" ]; then
+		swconfig dev $switchdev set reset 1
+		swconfig dev $switchdev set enable_vlan 0
+		swconfig dev $switchdev set apply 1
 	fi
 
 	ifname=eth0
diff --git a/target/linux/ramips/dts/mt7621_iodata_wn-ax1167gr2.dts b/target/linux/ramips/dts/mt7621_iodata_wn-ax1167gr2.dts
new file mode 100644
index 0000000000..251caf4250
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_iodata_wn-ax1167gr2.dts
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "mt7621_iodata_wn-xx-xr.dtsi"
+
+/ {
+	compatible = "iodata,wn-ax1167gr2", "mediatek,mt7621-soc";
+	model = "I-O DATA WN-AX1167GR2";
+};
+
+&partitions {
+	partition@6b00000 {
+		label = "Backup";
+		reg = <0x6b00000 0x1480000>;
+		read-only;
+	};
+};
+
+&pcie1 {
+	wifi@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0>;
+	};
+};
diff --git a/target/linux/ramips/dts/mt7621_iodata_wn-dx1167r.dts b/target/linux/ramips/dts/mt7621_iodata_wn-dx1167r.dts
new file mode 100644
index 0000000000..ee69b97e44
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_iodata_wn-dx1167r.dts
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "mt7621_iodata_wn-xx-xr.dtsi"
+
+/ {
+	compatible = "iodata,wn-dx1167r", "mediatek,mt7621-soc";
+	model = "I-O DATA WN-DX1167R";
+};
+
+&partitions {
+	partition@6b00000 {
+		label = "idmkey";
+		reg = <0x6b00000 0x0100000>;
+		read-only;
+	};
+
+	partition@6c00000 {
+		label = "Backup";
+		reg = <0x6c00000 0x1380000>;
+		read-only;
+	};
+};
+
+&pcie1 {
+	wifi@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0>;
+	};
+};
diff --git a/target/linux/ramips/dts/mt7621_iodata_wn-xx-xr.dtsi b/target/linux/ramips/dts/mt7621_iodata_wn-xx-xr.dtsi
new file mode 100644
index 0000000000..8b3329113f
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_iodata_wn-xx-xr.dtsi
@@ -0,0 +1,140 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	aliases {
+		led-boot = &led_power;
+		led-failsafe = &led_power;
+		led-running = &led_power;
+		led-upgrade = &led_power;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		wps {
+			label = "iodata:green:wps";
+			gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+		};
+
+		led_power: power {
+			label = "iodata:green:power";
+			gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		repeater {
+			label = "repeater";
+			gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
+			linux,code = <BTN_0>;
+			linux,input-type = <EV_SW>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+};
+
+&nand {
+	status = "okay";
+
+	partitions: partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x0100000>;
+			read-only;
+		};
+
+		partition@100000 {
+			label = "u-boot-env";
+			reg = <0x0100000 0x0100000>;
+			read-only;
+		};
+
+		factory: partition@200000 {
+			label = "factory";
+			reg = <0x0200000 0x0100000>;
+		};
+
+		partition@300000 {
+			label = "SecondBoot";
+			reg = <0x0300000 0x0100000>;
+			read-only;
+		};
+
+		partition@400000 {
+			label = "kernel";
+			reg = <0x0400000 0x0400000>;
+		};
+
+		partition@800000 {
+			label = "ubi";
+			reg = <0x0800000 0x2e00000>;
+		};
+
+		partition@3600000 {
+			label = "Config";
+			reg = <0x3600000 0x0100000>;
+			read-only;
+		};
+
+		partition@3700000 {
+			label = "firmware_2";
+			reg = <0x3700000 0x3200000>;
+		};
+
+		partition@6900000 {
+			label = "Config_2";
+			reg = <0x6900000 0x0100000>;
+			read-only;
+		};
+
+		partition@6a00000 {
+			label = "persist";
+			reg = <0x6a00000 0x0100000>;
+		};
+	};
+};
+
+&ethernet {
+	mtd-mac-address = <&factory 0xe000>;
+};
+
+&pcie {
+	status = "okay";
+};
+
+&state_default {
+	gpio {
+		ralink,group = "uart2", "uart3", "wdt";
+		ralink,function = "gpio";
+	};
+};
+
+&xhci {
+	status = "disabled";
+};
diff --git a/target/linux/ramips/dts/mt7621_jdcloud_re-sp-01b.dts b/target/linux/ramips/dts/mt7621_jdcloud_re-sp-01b.dts
new file mode 100644
index 0000000000..4392a8d1fe
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_jdcloud_re-sp-01b.dts
@@ -0,0 +1,144 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "jdcloud,re-sp-01b", "mediatek,mt7621-soc";
+	model = "JDCloud RE-SP-01B";
+
+	aliases {
+		led-boot = &led_red;
+		led-failsafe = &led_red;
+		led-running = &led_green;
+		led-upgrade = &led_blue;
+		label-mac-device = &ethernet;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_red: red {
+			label = "jdcloud:red:sys";
+			gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+			panic-indicator;
+		};
+
+		led_green: green {
+			label = "jdcloud:green:sys";
+			gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+		};
+
+		led_blue: blue {
+			label = "jdcloud:blue:sys";
+			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&sdhci {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "u-boot";
+				reg = <0x0 0x30000>;
+				read-only;
+			};
+
+			config: partition@30000 {
+				label = "config";
+				reg = <0x30000 0x10000>;
+				read-only;
+			};
+
+			factory: partition@40000 {
+				label = "factory";
+				reg = <0x40000 0x10000>;
+				read-only;
+			};
+
+			partition@50000 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x50000 0x1ab0000>;
+			};
+
+			partition@1b00000 {
+				label = "mini";
+				reg = <0x1b00000 0x400000>;
+				read-only;
+			};
+
+			partition@1f00000 {
+				label = "oem";
+				reg = <0x1f00000 0x100000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&ethernet {
+	mtd-mac-address-ascii = <&config 0x4429>;
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mtd-mac-address-ascii = <&config 0x4429>;
+		mediatek,mtd-eeprom = <&factory 0x0>;
+	};
+};
+
+&pcie1 {
+	wifi@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mtd-mac-address-ascii = <&config 0x4429>;
+		mtd-mac-address-increment = <0x80>;
+		mtd-mac-address-increment-byte = <3>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
+
+&state_default {
+	gpio {
+		ralink,group = "uart2", "uart3", "wdt";
+		ralink,function = "gpio";
+	};
+};
diff --git a/target/linux/ramips/dts/mt7628an_hiwifi_hc5761a.dts b/target/linux/ramips/dts/mt7628an_hiwifi_hc5761a.dts
index 1f7715bb38..903029d10d 100644
--- a/target/linux/ramips/dts/mt7628an_hiwifi_hc5761a.dts
+++ b/target/linux/ramips/dts/mt7628an_hiwifi_hc5761a.dts
@@ -32,11 +32,22 @@
 			linux,default-trigger = "phy1tpt";
 		};
 	};
+
+	gpio_export {
+		compatible = "gpio-export";
+		#size-cells = <0>;
+
+		usb_power {
+			gpio-export,name = "usb_power";
+			gpio-export,output = <0>;
+			gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
+		};
+	};
 };
 
 &state_default {
 	gpio {
-		ralink,group = "i2c", "refclk", "wdt", "p3led_an", "wled_an";
+		ralink,group = "i2c", "refclk", "wdt", "p2led_an", "p3led_an", "wled_an";
 		ralink,function = "gpio";
 	};
 };
diff --git a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7621.c b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7621.c
index 89be239007..232bcd8cf4 100644
--- a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7621.c
+++ b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7621.c
@@ -98,15 +98,9 @@ static void mt7621_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
 	mt7530_mdio_w32(gsw, 0x7000, 0x3);
 	usleep_range(10, 20);
 
-	if ((rt_sysc_r32(SYSC_REG_CHIP_REV_ID) & 0xFFFF) == 0x0101) {
-		/* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
-		mtk_switch_w32(gsw, 0x2305e30b, GSW_REG_MAC_P0_MCR);
-		mt7530_mdio_w32(gsw, 0x3600, 0x5e30b);
-	} else {
-		/* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
-		mtk_switch_w32(gsw, 0x2305e33b, GSW_REG_MAC_P0_MCR);
-		mt7530_mdio_w32(gsw, 0x3600, 0x5e33b);
-	}
+	/* (GE1, Force 1000M/FD, FC OFF, MAX_RX_LENGTH 1536) */
+	mtk_switch_w32(gsw, 0x2305e30b, GSW_REG_MAC_P0_MCR);
+	mt7530_mdio_w32(gsw, 0x3600, 0x5e30b);
 
 	/* (GE2, Link down) */
 	mtk_switch_w32(gsw, 0x8000, GSW_REG_MAC_P1_MCR);
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 336b0fdea8..f41457da9d 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -65,6 +65,28 @@ define Build/iodata-factory
 	fi
 endef
 
+define Build/iodata-mstc-header
+  ( \
+    data_size_crc="$$(dd if=$@ ibs=64 skip=1 2>/dev/null | \
+      gzip -c | tail -c 8 | od -An -tx8 --endian little | tr -d ' \n')"; \
+    echo -ne "$$(echo $$data_size_crc | sed 's/../\\x&/g')" | \
+      dd of=$@ bs=8 count=1 seek=7 conv=notrunc 2>/dev/null; \
+  )
+  dd if=/dev/zero of=$@ bs=4 count=1 seek=1 conv=notrunc 2>/dev/null
+  ( \
+    header_crc="$$(dd if=$@ bs=64 count=1 2>/dev/null | \
+      gzip -c | tail -c 8 | od -An -N4 -tx4 --endian little | tr -d ' \n')"; \
+    echo -ne "$$(echo $$header_crc | sed 's/../\\x&/g')" | \
+      dd of=$@ bs=4 count=1 seek=1 conv=notrunc 2>/dev/null; \
+  )
+endef
+
+define Build/netis-tail
+	echo -n $(1) >> $@
+	echo -n $(UIMAGE_NAME)-yun | $(STAGING_DIR_HOST)/bin/mkhash md5 | \
+		sed 's/../\\\\x&/g' | xargs echo -ne >> $@
+endef
+
 define Build/ubnt-erx-factory-image
 	if [ -e $(KDIR)/tmp/$(KERNEL_INITRAMFS_IMAGE) -a "$$(stat -c%s $@)" -lt "$(KERNEL_SIZE)" ]; then \
 		echo '21001:6' > $(1).compat; \
@@ -336,6 +358,38 @@ define Device/iodata_wn-ax1167gr
 endef
 TARGET_DEVICES += iodata_wn-ax1167gr
 
+define Device/iodata_wn-ax1167gr2
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  UBINIZE_OPTS := -E 5
+  UIMAGE_MAGIC := 0x434f4d42
+  KERNEL_SIZE := 4096k
+  IMAGE_SIZE := 51200k
+  DEVICE_VENDOR := I-O DATA
+  DEVICE_MODEL := WN-AX1167GR2
+  KERNEL_INITRAMFS := $(KERNEL_DTB) | custom-initramfs-uimage 3.10(XBC.1)b10 | \
+	iodata-mstc-header
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+  DEVICE_PACKAGES := kmod-mt7615e wpad-openssl
+endef
+TARGET_DEVICES += iodata_wn-ax1167gr2
+
+define Device/iodata_wn-dx1167r
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  UBINIZE_OPTS := -E 5
+  UIMAGE_MAGIC := 0x434f4d43
+  KERNEL_SIZE := 4096k
+  IMAGE_SIZE := 51200k
+  DEVICE_VENDOR := I-O DATA
+  DEVICE_MODEL := WN-DX1167R
+  KERNEL_INITRAMFS := $(KERNEL_DTB) | custom-initramfs-uimage 3.10(XIK.1)b10 | \
+	iodata-mstc-header
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+  DEVICE_PACKAGES := kmod-mt7615e wpad-openssl
+endef
+TARGET_DEVICES += iodata_wn-dx1167r
+
 define Device/iodata_wn-gx300gr
   IMAGE_SIZE := 7616k
   DEVICE_VENDOR := I-O DATA
@@ -385,6 +439,14 @@ define Device/jcg_jhr-ac876m
 endef
 TARGET_DEVICES += jcg_jhr-ac876m
 
+define Device/jdcloud_re-sp-01b
+  IMAGE_SIZE := 27328k
+  DEVICE_VENDOR := JDCloud
+  DEVICE_MODEL := RE-SP-01B
+  DEVICE_PACKAGES := kmod-fs-ext4 kmod-mt7603 kmod-mt7615e kmod-sdhci-mt7620 kmod-usb3 wpad-openssl
+endef
+TARGET_DEVICES += jdcloud_re-sp-01b
+
 define Device/lenovo_newifi-d1
   IMAGE_SIZE := 32448k
   DEVICE_VENDOR := Newifi
@@ -594,8 +656,9 @@ define Device/netis_wf2881
   FILESYSTEMS := squashfs
   KERNEL_SIZE := 4096k
   IMAGE_SIZE := 129280k
-  KERNEL := $(KERNEL_DTB) | pad-offset $$(BLOCKSIZE) 64 | uImage lzma
   UBINIZE_OPTS := -E 5
+  UIMAGE_NAME := WF2881_0.0.00
+  KERNEL_INITRAMFS := $(KERNEL_DTB) | netis-tail WF2881 | uImage lzma
   IMAGES += factory.bin
   IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
   IMAGE/factory.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) | append-ubi | \
@@ -603,7 +666,6 @@ define Device/netis_wf2881
   DEVICE_VENDOR := NETIS
   DEVICE_MODEL := WF2881
   DEVICE_PACKAGES := kmod-mt76x2 kmod-usb3 kmod-usb-ledtrig-usbport wpad-openssl
-  SUPPORTED_DEVICES += wf-2881
 endef
 TARGET_DEVICES += netis_wf2881
 
@@ -611,8 +673,6 @@ define Device/phicomm_k2p
   IMAGE_SIZE := 15744k
   DEVICE_VENDOR := Phicomm
   DEVICE_MODEL := K2P
-  DEVICE_ALT0_VENDOR := Phicomm
-  DEVICE_ALT0_MODEL := KE 2P
   SUPPORTED_DEVICES += k2p
   DEVICE_PACKAGES := luci-app-mtwifi
 endef
diff --git a/target/linux/ramips/modules.mk b/target/linux/ramips/modules.mk
index b604110b1e..89bdc6c95c 100644
--- a/target/linux/ramips/modules.mk
+++ b/target/linux/ramips/modules.mk
@@ -20,7 +20,7 @@ define KernelPackage/pwm-mediatek-ramips
   AUTOLOAD:=$(call AutoProbe,pwm-mediatek-ramips)
 endef
 
-define KernelPackage/pwm-mediatek/description
+define KernelPackage/pwm-mediatek-ramips/description
   Kernel modules for MediaTek Pulse Width Modulator
 endef
 
diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
index f53c8f11ea..58605aca70 100755
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -77,6 +77,8 @@ ramips_setup_interfaces()
 	elecom,wrc-1900gst|\
 	elecom,wrc-2533gst|\
 	iodata,wn-ax1167gr|\
+	iodata,wn-ax1167gr2|\
+	iodata,wn-dx1167r|\
 	iodata,wn-gx300gr|\
 	iodata,wnpr2600g|\
 	iptime,a8004t)
@@ -124,6 +126,7 @@ ramips_setup_interfaces()
 		ucidef_add_switch_attr "switch0" "enable" "false"
 		ucidef_set_interface_lan "eth0"
 		;;
+	jdcloud,re-sp-01b|\
 	mikrotik,rbm33g)
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "0:wan" "6@eth0"
@@ -227,6 +230,12 @@ ramips_setup_macs()
 	xiaoyu,xy-c5)
 		wan_mac=$(macaddr_add "$(mtd_get_mac_binary factory 0x4)" 1)
 		;;
+	iodata,wn-ax1167gr2|\
+	iodata,wn-dx1167r|\
+	xiaomi,mir3g-v2)
+		wan_mac=$(mtd_get_mac_binary factory 0xe006)
+		label_mac=$wan_mac
+		;;
 	iodata,wnpr2600g)
 		wan_mac=$(mtd_get_mac_ascii u-boot-env wanaddr)
 		label_mac=$wan_mac
@@ -272,10 +281,6 @@ ramips_setup_macs()
 		lan_mac=$(mtd_get_mac_binary factory 0xe006)
 		label_mac=$lan_mac
 		;;
-	xiaomi,mir3g-v2)
-		wan_mac=$(mtd_get_mac_binary factory 0xe006)
-		label_mac=$wan_mac
-		;;
 	zbtlink,zbt-we1326)
 		wan_mac=$(mtd_get_mac_binary factory 0xe006)
 		label_mac=$(mtd_get_mac_binary factory 0x4)
diff --git a/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh b/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh
new file mode 100644
index 0000000000..d7a3477f0a
--- /dev/null
+++ b/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh
@@ -0,0 +1,55 @@
+#
+# Copyright (C) 2019 OpenWrt.org
+#
+
+. /lib/functions.sh
+
+iodata_mstc_prepare_fail() {
+	echo "failed to check and prepare the environment, rebooting..."
+	umount -a
+	reboot -f
+}
+
+# I-O DATA devices manufactured by MSTC (MitraStar Technology Corp.)
+# have two important flags:
+# - bootnum: switch between two os images
+#     use 1st image in OpenWrt
+# - debugflag: enable/disable debug
+#     users can interrupt Z-Loader for recovering the device if enabled
+iodata_mstc_upgrade_prepare() {
+	local persist_mtd="$(find_mtd_part persist)"
+	local factory_mtd="$(find_mtd_part factory)"
+
+	if [ -z "$persist_mtd" -o -z "$factory_mtd" ]; then
+		echo 'cannot find mtd partition(s), "factory" or "persist"'
+		iodata_mstc_prepare_fail
+	fi
+
+	local bootnum=$(hexdump -s 4 -n 1 -e '"%x"' ${persist_mtd})
+	local debugflag=$(hexdump -s 65141 -n 1 -e '"%x"' ${factory_mtd})
+
+	if [ "$bootnum" != "1" -a "$bootnum" != "2" ]; then
+		echo "failed to get bootnum, please check the value at 0x4 in ${persist_mtd}"
+		iodata_mstc_prepare_fail
+	fi
+	if [ "$debugflag" != "0" -a "$debugflag" != "1" ]; then
+		echo "failed to get debugflag, please check the value at 0xFE75 in ${factory_mtd}"
+		iodata_mstc_prepare_fail
+	fi
+	echo "current: bootnum => ${bootnum}, debugflag => ${debugflag}"
+
+	if [ "$bootnum" = "2" ]; then
+		if ! (echo -ne "\x01" | dd bs=1 count=1 seek=4 conv=notrunc of=${persist_mtd} 2>/dev/null); then
+			echo "failed to set bootnum"
+			iodata_mstc_prepare_fail
+		fi
+		echo "### switch to 1st os-image on next boot ###"
+	fi
+	if [ "$debugflag" = "0" ]; then
+		if ! (echo -ne "\x01" | dd bs=1 count=1 seek=65141 conv=notrunc of=${factory_mtd} 2>/dev/null); then
+			echo "failed to set debugflag"
+			iodata_mstc_prepare_fail
+		fi
+		echo "### enable debug ###"
+	fi
+}
diff --git a/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh b/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
index ff19577bb3..f6b5c86431 100755
--- a/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
@@ -55,6 +55,11 @@ platform_do_upgrade() {
 	xiaomi,mir3p)
 		nand_do_upgrade "$1"
 		;;
+	iodata,wn-ax1167gr2|\
+	iodata,wn-dx1167r)
+		iodata_mstc_upgrade_prepare
+		nand_do_upgrade "$1"
+		;;
 	ubiquiti,edgerouterx|\
 	ubiquiti,edgerouterx-sfp)
 		platform_upgrade_ubnt_erx "$1"
diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
index 6ba23f9451..913a0817dc 100755
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
@@ -60,7 +60,6 @@ ramips_setup_interfaces()
 			"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "6@eth0"
 		;;
 	hiwifi,hc5661a|\
-	hiwifi,hc5761a|\
 	mediatek,mt7628an-eval-board|\
 	mercury,mac1200r-v2|\
 	totolink,lr1200|\
@@ -69,6 +68,10 @@ ramips_setup_interfaces()
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "6@eth0"
 		;;
+	hiwifi,hc5761a)
+		ucidef_add_switch "switch0" \
+			"0:lan" "1:lan" "4:wan" "6@eth0"
+		;;
 	iptime,a3)
 		ucidef_add_switch "switch0" \
 			"2:lan:2" "3:lan:1" "0:wan" "6@eth0"