diff --git a/target/linux/ramips/dts/mt7621_gnubee_gb-pc1.dts b/target/linux/ramips/dts/mt7621_gnubee_gb-pc1.dts
index 6854d56266e..21a18391275 100644
--- a/target/linux/ramips/dts/mt7621_gnubee_gb-pc1.dts
+++ b/target/linux/ramips/dts/mt7621_gnubee_gb-pc1.dts
@@ -8,10 +8,10 @@
 	model = "GB-PC1";
 
 	aliases {
-		led-boot = &led_status;
-		led-failsafe = &led_status;
-		led-running = &led_status;
-		led-upgrade = &led_status;
+		led-boot = &led_system;
+		led-failsafe = &led_system;
+		led-running = &led_system;
+		led-upgrade = &led_system;
 	};
 
 	keys {
@@ -27,24 +27,26 @@
 	leds {
 		compatible = "gpio-leds";
 
-		system {
-			label = "green:system";
+		ethblack_act {
+			label = "green:ethblack_act";
+			gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
+		};
+
+		ethblue_act {
+			label = "green:ethblue_act";
+			gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+		};
+
+		power {
+			label = "green:power";
 			gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "default-on";
 		};
 
-		led_status: status {
-			label = "green:status";
+		led_system: system {
+			label = "green:system";
 			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
-		};
-
-		lan1 {
-			label = "green:lan1";
-			gpios = <&gpio 24 GPIO_ACTIVE_LOW>;
-		};
-
-		lan2 {
-			label = "green:lan2";
-			gpios = <&gpio 25 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "disk-activity";
 		};
 	};
 };
@@ -59,9 +61,8 @@
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		spi-max-frequency = <80000000>;
+		spi-max-frequency = <50000000>;
 		broken-flash-reset;
-		m25p,fast-read;
 
 		partitions {
 			compatible = "fixed-partitions";
@@ -99,10 +100,6 @@
 	status = "okay";
 };
 
-&ethernet {
-	pinctrl-0 = <&mdio_pins>, <&rgmii1_pins>;
-};
-
 &gmac0 {
 	nvmem-cells = <&macaddr_factory_e000>;
 	nvmem-cell-names = "mac-address";
@@ -112,19 +109,19 @@
 	ports {
 		port@0 {
 			status = "okay";
-			label = "lan1";
+			label = "ethblack";
 		};
 
 		port@4 {
 			status = "okay";
-			label = "lan2";
+			label = "ethblue";
 		};
 	};
 };
 
 &state_default {
 	gpio {
-		groups = "jtag", "rgmii2", "uart3", "wdt";
+		groups = "jtag", "uart3", "wdt";
 		function = "gpio";
 	};
 };
diff --git a/target/linux/ramips/dts/mt7621_gnubee_gb-pc2.dts b/target/linux/ramips/dts/mt7621_gnubee_gb-pc2.dts
index de113c2a5ab..cd72ea1d628 100644
--- a/target/linux/ramips/dts/mt7621_gnubee_gb-pc2.dts
+++ b/target/linux/ramips/dts/mt7621_gnubee_gb-pc2.dts
@@ -8,10 +8,10 @@
 	model = "GB-PC2";
 
 	aliases {
-		led-boot = &led_status;
-		led-failsafe = &led_status;
-		led-running = &led_status;
-		led-upgrade = &led_status;
+		led-boot = &led_system;
+		led-failsafe = &led_system;
+		led-running = &led_system;
+		led-upgrade = &led_system;
 	};
 
 	keys {
@@ -27,34 +27,26 @@
 	leds {
 		compatible = "gpio-leds";
 
-		system {
-			label = "green:system";
+		ethblack_act {
+			label = "green:ethblack_act";
+			gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
+		};
+
+		ethblue_act {
+			label = "green:ethblue_act";
+			gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+		};
+
+		power {
+			label = "green:power";
 			gpios = <&gpio 6 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "default-on";
 		};
 
-		led_status: status {
-			label = "green:status";
+		led_system: system {
+			label = "green:system";
 			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
-		};
-
-		lan1 {
-			label = "green:lan1";
-			gpios = <&gpio 24 GPIO_ACTIVE_LOW>;
-		};
-
-		lan2 {
-			label = "green:lan2";
-			gpios = <&gpio 25 GPIO_ACTIVE_LOW>;
-		};
-
-		lan3-yellow {
-			label = "yellow:lan3";
-			gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
-		};
-
-		lan3-green {
-			label = "green:lan3";
-			gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "disk-activity";
 		};
 	};
 };
@@ -69,9 +61,8 @@
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		spi-max-frequency = <80000000>;
+		spi-max-frequency = <50000000>;
 		broken-flash-reset;
-		m25p,fast-read;
 
 		partitions {
 			compatible = "fixed-partitions";
@@ -109,32 +100,44 @@
 	status = "okay";
 };
 
-&ethernet {
-	pinctrl-0 = <&mdio_pins>, <&rgmii1_pins>;
-};
-
 &gmac0 {
 	nvmem-cells = <&macaddr_factory_e000>;
 	nvmem-cell-names = "mac-address";
 };
 
+&gmac1 {
+	status = "okay";
+	label = "ethyellow";
+	phy-handle = <&ethphy5>;
+
+	nvmem-cells = <&macaddr_factory_e000>;
+	nvmem-cell-names = "mac-address";
+};
+
+&mdio {
+	ethphy5: ethernet-phy@5 {
+		reg = <5>;
+		phy-mode = "rgmii-rxid";
+	};
+};
+
 &switch0 {
 	ports {
 		port@0 {
 			status = "okay";
-			label = "lan1";
+			label = "ethblack";
 		};
 
 		port@4 {
 			status = "okay";
-			label = "lan2";
+			label = "ethblue";
 		};
 	};
 };
 
 &state_default {
 	gpio {
-		groups = "jtag", "rgmii2", "uart3", "wdt";
+		groups = "jtag", "uart3", "wdt";
 		function = "gpio";
 	};
 };
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index c3a63fa9349..dbafaaddde1 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -771,6 +771,7 @@ TARGET_DEVICES += glinet_gl-mt1300
 
 define Device/gnubee_gb-pc1
   $(Device/dsa-migration)
+  $(Device/uimage-lzma-loader)
   DEVICE_VENDOR := GnuBee
   DEVICE_MODEL := Personal Cloud One
   DEVICE_PACKAGES := kmod-ata-ahci kmod-usb3 kmod-sdhci-mt7620 -wpad-basic-wolfssl
@@ -780,6 +781,7 @@ TARGET_DEVICES += gnubee_gb-pc1
 
 define Device/gnubee_gb-pc2
   $(Device/dsa-migration)
+  $(Device/uimage-lzma-loader)
   DEVICE_VENDOR := GnuBee
   DEVICE_MODEL := Personal Cloud Two
   DEVICE_PACKAGES := kmod-ata-ahci kmod-usb3 kmod-sdhci-mt7620 -wpad-basic-wolfssl
diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds b/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
index 0daf15dd4da..0e8244772d3 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/01_leds
@@ -66,8 +66,8 @@ dlink,dir-882-r1)
 	;;
 gnubee,gb-pc1|\
 gnubee,gb-pc2)
-	ucidef_set_led_netdev "lan1" "lan1" "green:lan1" "lan1"
-	ucidef_set_led_netdev "lan2" "lan2" "green:lan2" "lan2"
+	ucidef_set_led_netdev "ethblack_act" "ethblack act" "green:ethblack_act" "ethblack" "tx rx"
+	ucidef_set_led_netdev "ethblue_act" "ethblue act" "green:ethblue_act" "ethblue" "tx rx"
 	;;
 linksys,e5600)
 	ucidef_set_led_netdev "wan" "wan link" "blue:wan" "wan" "link"
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 af493789bab..1fa6182c4d8 100644
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -71,9 +71,11 @@ ramips_setup_interfaces()
 		uci add_list firewall.@zone[1].network='eth_data'
 		uci add_list firewall.@zone[1].network='eth_om'
 		;;
-	gnubee,gb-pc1|\
+	gnubee,gb-pc1)
+		ucidef_set_interface_lan "ethblack ethblue"
+		;;
 	gnubee,gb-pc2)
-		ucidef_set_interface_lan "lan1 lan2"
+		ucidef_set_interface_lan "ethblack ethblue ethyellow"
 		;;
 	linksys,re6500|\
 	netgear,wac104|\
diff --git a/target/linux/ramips/mt7621/config-5.10 b/target/linux/ramips/mt7621/config-5.10
index 761ed23d770..1b415f3e665 100644
--- a/target/linux/ramips/mt7621/config-5.10
+++ b/target/linux/ramips/mt7621/config-5.10
@@ -100,6 +100,7 @@ CONFIG_I2C_BOARDINFO=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_GPIO=y
 CONFIG_I2C_MT7621=y
+CONFIG_ICPLUS_PHY=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IRQCHIP=y
 CONFIG_IRQ_DOMAIN=y
diff --git a/target/linux/ramips/mt7621/config-5.15 b/target/linux/ramips/mt7621/config-5.15
index 5fbcefc3aea..cbab647d7c3 100644
--- a/target/linux/ramips/mt7621/config-5.15
+++ b/target/linux/ramips/mt7621/config-5.15
@@ -105,6 +105,7 @@ CONFIG_I2C_BOARDINFO=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_GPIO=y
 CONFIG_I2C_MT7621=y
+CONFIG_ICPLUS_PHY=y
 # CONFIG_INGENIC_CGU_JZ4760 is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IRQCHIP=y