diff --git a/target/linux/mediatek/dts/mt7622-rfb1-ubi.dts b/target/linux/mediatek/dts/mt7622-rfb1-ubi.dts
index 0f6d9bbc50..721695227a 100644
--- a/target/linux/mediatek/dts/mt7622-rfb1-ubi.dts
+++ b/target/linux/mediatek/dts/mt7622-rfb1-ubi.dts
@@ -44,12 +44,12 @@
 
 			partition@200000 {
 				label = "kernel";
-				reg = <0x2c0000 0x400000>;
+				reg = <0x2c0000 0x600000>;
 			};
 
 			partition@6c0000 {
 				label = "ubi";
-				reg = <0x6c0000 0x6f00000>;
+				reg = <0x8c0000 0x6f00000>;
 			};
 
 			/delete-node/ partition@2200000;
diff --git a/target/linux/mediatek/image/mt7622.mk b/target/linux/mediatek/image/mt7622.mk
index 2b39d1849c..f06175041e 100644
--- a/target/linux/mediatek/image/mt7622.mk
+++ b/target/linux/mediatek/image/mt7622.mk
@@ -295,14 +295,14 @@ define Device/mediatek_mt7622-rfb1-ubi
   UBINIZE_OPTS := -E 5
   BLOCKSIZE := 128k
   PAGESIZE := 2048
-  KERNEL_SIZE := 4194304
+  KERNEL_SIZE := 6291456
   IMAGE_SIZE := 32768k
   IMAGES += factory.bin
   IMAGE/factory.bin := append-kernel | pad-to $$(KERNEL_SIZE) | append-ubi | \
                 check-size $$$$(IMAGE_SIZE)
   IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
 endef
-# TARGET_DEVICES += mediatek_mt7622-rfb1-ubi
+TARGET_DEVICES += mediatek_mt7622-rfb1-ubi
 
 define Device/netgear_wax206
   $(Device/dsa-migration)