diff --git a/target/linux/mediatek/base-files/lib/preinit/05_set_preinit_iface b/target/linux/mediatek/base-files/lib/preinit/05_set_preinit_iface
index e0d2a9c7c5e..ed166de595a 100644
--- a/target/linux/mediatek/base-files/lib/preinit/05_set_preinit_iface
+++ b/target/linux/mediatek/base-files/lib/preinit/05_set_preinit_iface
@@ -1,6 +1,7 @@
 set_preinit_iface() {
 	case $(board_name) in
 	cudy,m3000-v1|\
+	cudy,tr3000-256mb-v1|\
 	cudy,tr3000-v1|\
 	cudy,tr3000-v1-ubootmod|\
 	glinet,gl-mt2500|\
diff --git a/target/linux/mediatek/dts/mt7981b-cudy-tr3000-256mb-v1.dts b/target/linux/mediatek/dts/mt7981b-cudy-tr3000-256mb-v1.dts
new file mode 100644
index 00000000000..823f0aef93a
--- /dev/null
+++ b/target/linux/mediatek/dts/mt7981b-cudy-tr3000-256mb-v1.dts
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+#include "mt7981b-cudy-tr3000-v1.dtsi"
+
+/ {
+	model = "Cudy TR3000 256MB v1";
+	compatible = "cudy,tr3000-256mb-v1", "mediatek,mt7981";
+};
+
+&spi_nand {
+	spi-cal-enable;
+	spi-cal-mode = "read-data";
+	spi-cal-datalen = <7>;
+	spi-cal-data = /bits/ 8 <0x53 0x50 0x49 0x4E 0x41 0x4E 0x44>;
+	spi-cal-addrlen = <5>;
+	spi-cal-addr = /bits/ 32 <0x0 0x0 0x0 0x0 0x0>;
+
+	mediatek,nmbm;
+	mediatek,bmt-max-ratio = <1>;
+	mediatek,bmt-max-reserved-blocks = <64>;
+};
+
+&ubi {
+	reg = <0x5c0000 0xe600000>;
+};
+
diff --git a/target/linux/mediatek/filogic/base-files/etc/board.d/02_network b/target/linux/mediatek/filogic/base-files/etc/board.d/02_network
index a96ea99bc90..ae99120e1a2 100644
--- a/target/linux/mediatek/filogic/base-files/etc/board.d/02_network
+++ b/target/linux/mediatek/filogic/base-files/etc/board.d/02_network
@@ -97,6 +97,7 @@ mediatek_setup_interfaces()
 		ucidef_set_interface_lan "eth0"
 		;;
 	cudy,m3000-v1|\
+	cudy,tr3000-256mb-v1|\
 	cudy,tr3000-v1|\
 	cudy,tr3000-v1-ubootmod|\
 	glinet,gl-mt2500|\
diff --git a/target/linux/mediatek/filogic/base-files/etc/hotplug.d/ieee80211/11_fix_wifi_mac b/target/linux/mediatek/filogic/base-files/etc/hotplug.d/ieee80211/11_fix_wifi_mac
index c42399cf645..b447dbdfe3e 100644
--- a/target/linux/mediatek/filogic/base-files/etc/hotplug.d/ieee80211/11_fix_wifi_mac
+++ b/target/linux/mediatek/filogic/base-files/etc/hotplug.d/ieee80211/11_fix_wifi_mac
@@ -79,6 +79,7 @@ case "$board" in
 	cudy,ap3000-v1|\
 	cudy,m3000-v1|\
 	cudy,re3000-v1|\
+	cudy,tr3000-256mb-v1|\
 	cudy,tr3000-v1|\
 	cudy,tr3000-v1-ubootmod|\
 	cudy,wr3000e-v1|\
diff --git a/target/linux/mediatek/image/filogic.mk b/target/linux/mediatek/image/filogic.mk
index b977d6117e0..14b8ecd02ae 100644
--- a/target/linux/mediatek/image/filogic.mk
+++ b/target/linux/mediatek/image/filogic.mk
@@ -762,6 +762,23 @@ define Device/cudy_re3000-v1
 endef
 TARGET_DEVICES += cudy_re3000-v1
 
+define Device/cudy_tr3000-256mb-v1
+  DEVICE_VENDOR := Cudy
+  DEVICE_MODEL := TR3000
+  DEVICE_VARIANT := 256mb v1
+  DEVICE_DTS := mt7981b-cudy-tr3000-256mb-v1
+  DEVICE_DTS_DIR := ../dts
+  SUPPORTED_DEVICES += R103
+  UBINIZE_OPTS := -E 5
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  IMAGE_SIZE := 235520k
+  KERNEL_IN_UBI := 1
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+  DEVICE_PACKAGES := kmod-usb3 kmod-mt7915e kmod-mt7981-firmware mt7981-wo-firmware
+endef
+TARGET_DEVICES += cudy_tr3000-256mb-v1
+
 define Device/cudy_tr3000-v1
   DEVICE_VENDOR := Cudy
   DEVICE_MODEL := TR3000