diff --git a/data/catalogue/goke.yml b/data/catalogue/goke.yml
index 1fb59c94..a79c1a1f 100644
--- a/data/catalogue/goke.yml
+++ b/data/catalogue/goke.yml
@@ -128,7 +128,9 @@ socs:
   load_address: '0x42000000'
   sdk: ''
   kernel: ''
-  uboot_filename: u-boot-gk7202v300-universal.bin
+  uboot_filename: u-boot-gk7202v300-nor.bin
+  uboot_nand_filename: u-boot-gk7202v300-nand.bin
+  nor_split: true
   linux_filename: openipc.gk7202v300-nor-lite.tgz
   notes: ''
   urlname: gk7202v300
@@ -142,7 +144,9 @@ socs:
   load_address: '0x42000000'
   sdk: ''
   kernel: ''
-  uboot_filename: u-boot-gk7205v200-universal.bin
+  uboot_filename: u-boot-gk7205v200-nor.bin
+  uboot_nand_filename: u-boot-gk7205v200-nand.bin
+  nor_split: true
   linux_filename: openipc.gk7205v200-nor-lite.tgz
   notes: ''
   urlname: gk7205v200
@@ -156,7 +160,9 @@ socs:
   load_address: '0x42000000'
   sdk: ''
   kernel: ''
-  uboot_filename: u-boot-gk7205v200-universal.bin
+  uboot_filename: u-boot-gk7205v200-nor.bin
+  uboot_nand_filename: u-boot-gk7205v200-nand.bin
+  nor_split: true
   linux_filename: openipc.gk7205v210-nor-lite.tgz
   notes: ''
   urlname: gk7205v210
@@ -170,7 +176,9 @@ socs:
   load_address: '0x42000000'
   sdk: ''
   kernel: ''
-  uboot_filename: u-boot-gk7205v300-universal.bin
+  uboot_filename: u-boot-gk7205v300-nor.bin
+  uboot_nand_filename: u-boot-gk7205v300-nand.bin
+  nor_split: true
   linux_filename: openipc.gk7205v300-nor-lite.tgz
   notes: ''
   urlname: gk7205v300
@@ -314,7 +322,9 @@ socs:
   load_address: '0x42000000'
   sdk: ''
   kernel: ''
-  uboot_filename: u-boot-gk7605v100-universal.bin
+  uboot_filename: u-boot-gk7605v100-nor.bin
+  uboot_nand_filename: u-boot-gk7605v100-nand.bin
+  nor_split: true
   linux_filename: openipc.gk7605v100-nor-lite.tgz
   notes: ''
   urlname: gk7605v100
diff --git a/service/internal/catalogue/catalogue.go b/service/internal/catalogue/catalogue.go
index 999aa20a..7f279fd3 100644
--- a/service/internal/catalogue/catalogue.go
+++ b/service/internal/catalogue/catalogue.go
@@ -31,7 +31,13 @@ type SoC struct {
 	// NANDBoard is the build name upstream publishes this SoC's NAND
 	// firmware under, when that is not the NOR one: GK7205V510 has a NOR
 	// build of its own, but its NAND firmware is the GK7205V500 build.
-	NANDBoard     string  `yaml:"nand_board"`
+	NANDBoard string `yaml:"nand_board"`
+	// NORSplit is a SoC whose firmware also ships the split NOR layout,
+	// openipc.<board>-nor-<edition>-split.tgz: one firmware.bin (a hashed
+	// FIT, then the squashfs at the next 64 KiB) written at 0x50000, which
+	// the kernel divides into kernel, rootfs and rootfs_data at boot. Its
+	// -nor.bin bootloader boots that and the fixed slots alike.
+	NORSplit      bool    `yaml:"nor_split"`
 	LinuxFilename string  `yaml:"linux_filename"`
 	LoadAddress   string  `yaml:"load_address"`
 	Vendor        *Vendor `yaml:"-"`
diff --git a/service/internal/firmware/testdata/boards.json b/service/internal/firmware/testdata/boards.json
index 0fd7e03e..87d42a0a 100644
--- a/service/internal/firmware/testdata/boards.json
+++ b/service/internal/firmware/testdata/boards.json
@@ -256,7 +256,8 @@
     "vendor": "Goke",
     "model": "GK7202V300",
     "board": "gk7202v300",
-    "uboot": "u-boot-gk7202v300-universal.bin",
+    "uboot": "u-boot-gk7202v300-nor.bin",
+    "uboot_nand": "u-boot-gk7202v300-nand.bin",
     "nor_lite": "openipc.gk7202v300-nor-lite.tgz",
     "nand_lite": "openipc.gk7202v300-nand-lite.tgz"
   },
@@ -265,7 +266,8 @@
     "vendor": "Goke",
     "model": "GK7205V200",
     "board": "gk7205v200",
-    "uboot": "u-boot-gk7205v200-universal.bin",
+    "uboot": "u-boot-gk7205v200-nor.bin",
+    "uboot_nand": "u-boot-gk7205v200-nand.bin",
     "nor_lite": "openipc.gk7205v200-nor-lite.tgz",
     "nand_lite": "openipc.gk7205v200-nand-lite.tgz"
   },
@@ -274,7 +276,8 @@
     "vendor": "Goke",
     "model": "GK7205V210",
     "board": "gk7205v200",
-    "uboot": "u-boot-gk7205v200-universal.bin",
+    "uboot": "u-boot-gk7205v200-nor.bin",
+    "uboot_nand": "u-boot-gk7205v200-nand.bin",
     "nor_lite": "openipc.gk7205v200-nor-lite.tgz",
     "nand_lite": "openipc.gk7205v200-nand-lite.tgz"
   },
@@ -283,7 +286,8 @@
     "vendor": "Goke",
     "model": "GK7205V300",
     "board": "gk7205v300",
-    "uboot": "u-boot-gk7205v300-universal.bin",
+    "uboot": "u-boot-gk7205v300-nor.bin",
+    "uboot_nand": "u-boot-gk7205v300-nand.bin",
     "nor_lite": "openipc.gk7205v300-nor-lite.tgz",
     "nand_lite": "openipc.gk7205v300-nand-lite.tgz"
   },
@@ -376,7 +380,8 @@
     "vendor": "Goke",
     "model": "GK7605V100",
     "board": "gk7605v100",
-    "uboot": "u-boot-gk7605v100-universal.bin",
+    "uboot": "u-boot-gk7605v100-nor.bin",
+    "uboot_nand": "u-boot-gk7605v100-nand.bin",
     "nor_lite": "openipc.gk7605v100-nor-lite.tgz",
     "nand_lite": "openipc.gk7605v100-nand-lite.tgz"
   },
diff --git a/service/internal/firmware/testdata/manifests.json b/service/internal/firmware/testdata/manifests.json
index dd425555..e9592591 100644
--- a/service/internal/firmware/testdata/manifests.json
+++ b/service/internal/firmware/testdata/manifests.json
@@ -79,22 +79,6 @@
       "rootfs": 2424832
     }
   },
-  {
-    "urlname": "gk7202v300",
-    "vendor": "Goke",
-    "flash_type": "nand",
-    "release": "lite",
-    "size": null,
-    "layout": null,
-    "filename": "openipc-gk7202v300-nand-lite.bin",
-    "bytes": 7194624,
-    "sha256": "bde2516085374dd4ba4d32cb72820527302f9cfd30ce608b525530dfd72ff589",
-    "offsets": {
-      "u-boot": 0,
-      "kernel": 1048576,
-      "rootfs": 4194304
-    }
-  },
   {
     "urlname": "gk7202v300",
     "vendor": "Goke",
diff --git a/service/internal/firmware/testdata/release-index.json b/service/internal/firmware/testdata/release-index.json
index d9e68b06..e36f8e31 100644
--- a/service/internal/firmware/testdata/release-index.json
+++ b/service/internal/firmware/testdata/release-index.json
@@ -765,18 +765,54 @@
       "updated_at": "2026-06-06T23:55:56Z",
       "release": "nightly-20260606-a9329aa"
     },
+    "u-boot-gk7202v300-nand.bin": {
+      "size": 325533,
+      "digest": "sha256:fbf43c9f19c2b4e26d7d86dbca07d06f71287fb1461a4148a90e96ea4f46aad9",
+      "updated_at": "2026-10-17T17:29:44Z",
+      "release": "latest"
+    },
+    "u-boot-gk7202v300-nor.bin": {
+      "size": 221985,
+      "digest": "sha256:9b5471f7a8c621014ca714c2ae6643d08504fc997a163733fd967a422e95a157",
+      "updated_at": "2026-10-17T17:29:46Z",
+      "release": "latest"
+    },
     "u-boot-gk7202v300-universal.bin": {
       "size": 249483,
       "digest": "sha256:b34886828dd1f91f08ffe6ff531e775727594f69826cf9aaf54ba21afea3a7e0",
       "updated_at": "2026-09-16T11:52:45Z",
       "release": "latest"
     },
+    "u-boot-gk7205v200-nand.bin": {
+      "size": 325529,
+      "digest": "sha256:e32ae464dfda75926b6ab05ca265f563ac905f2af9a2bce11f89902476bb006c",
+      "updated_at": "2026-10-17T17:29:48Z",
+      "release": "latest"
+    },
+    "u-boot-gk7205v200-nor.bin": {
+      "size": 222065,
+      "digest": "sha256:4466459fd3f817bba30becb87e17ad39c110091f6a882a7c8c38b8bc928866cf",
+      "updated_at": "2026-10-17T17:29:50Z",
+      "release": "latest"
+    },
     "u-boot-gk7205v200-universal.bin": {
       "size": 253915,
       "digest": "sha256:b075d4da346be94c22673fa0e8b0119c5541294831023a3b4e2fb210490d80c0",
       "updated_at": "2026-09-16T11:52:47Z",
       "release": "latest"
     },
+    "u-boot-gk7205v300-nand.bin": {
+      "size": 326213,
+      "digest": "sha256:66f278812aac69a8f945f9f4f79f04eea7072282c48fd34261afa2f2c17af9b0",
+      "updated_at": "2026-10-17T17:29:51Z",
+      "release": "latest"
+    },
+    "u-boot-gk7205v300-nor.bin": {
+      "size": 222885,
+      "digest": "sha256:32ea1a426127a05b3f9c32ce67b926bd62030f8f05638cd2f5b823c375347fbd",
+      "updated_at": "2026-10-17T17:29:53Z",
+      "release": "latest"
+    },
     "u-boot-gk7205v300-universal.bin": {
       "size": 257243,
       "digest": "sha256:87ab3ad1208ca9676455dfff383fc553290b361d62807df220fbe9dbdd9c3180",
@@ -819,6 +855,18 @@
       "updated_at": "2026-09-16T11:48:27Z",
       "release": "latest"
     },
+    "u-boot-gk7605v100-nand.bin": {
+      "size": 319121,
+      "digest": "sha256:07485ec2e8c6813c84ae79f41f0d60838991da3a7cff2bdaef83e7f026e6f710",
+      "updated_at": "2026-10-17T17:30:06Z",
+      "release": "latest"
+    },
+    "u-boot-gk7605v100-nor.bin": {
+      "size": 215781,
+      "digest": "sha256:764b543498e2f9c857607edf9095a6fdf8d6efd3232dd9fcadc38802d9a22b07",
+      "updated_at": "2026-10-17T17:30:08Z",
+      "release": "latest"
+    },
     "u-boot-gk7605v100-universal.bin": {
       "size": 253611,
       "digest": "sha256:a881114e9e6882030551854b742a6c3d963f25fecd66b60f12215e200fa1d5c7",
diff --git a/service/internal/wizard/camera.go b/service/internal/wizard/camera.go
index 3ec897b7..02fef634 100644
--- a/service/internal/wizard/camera.go
+++ b/service/internal/wizard/camera.go
@@ -80,6 +80,10 @@ type camera struct {
 	server    string
 	mac       string
 	layout    string // what was asked for; partitionLayout() decides what it is
+	// split installs the split NOR layout's one firmware.bin (see
+	// catalogue.SoC.NORSplit); the exporter sets it where that package is
+	// published for this board and edition.
+	split bool
 }
 
 func (c *camera) nand() bool { return c.flashType == "nand" }
@@ -383,5 +387,25 @@ func (c *camera) fullImageFilename() string {
 }
 
 func (c *camera) firmwareFilename() string {
+	if c.split {
+		return splitFilename(c.board, c.edition)
+	}
 	return fmt.Sprintf("openipc.%s-%s-%s.tgz", c.board, c.flashTypeType(), c.edition)
 }
+
+// splitFilename is the split NOR package for a board and edition.
+func splitFilename(board, edition string) string {
+	return fmt.Sprintf("openipc.%s-nor-%s-split.tgz", board, edition)
+}
+
+// splitOffset is where firmware.bin goes: right after the environment, where
+// the kernel slot starts on the fixed layout.
+const splitOffset = 0x50000
+
+// splitEraseSize runs from splitOffset to the end of the chip: the rest of the
+// flash is the one firmware partition, and nothing of an old layout may be
+// left for the bootloader's scan or the overlay to find.
+func (c *camera) splitEraseSize() string {
+	size, _ := strconv.ParseInt(strings.TrimPrefix(c.flashSizeHex(), "0x"), 16, 64)
+	return fmt.Sprintf("0x%x", size-splitOffset)
+}
diff --git a/service/internal/wizard/export.go b/service/internal/wizard/export.go
index 73015fb4..f1d742f6 100644
--- a/service/internal/wizard/export.go
+++ b/service/internal/wizard/export.go
@@ -369,6 +369,7 @@ func (e *exporter) camera(ft string, layout *string, edition, iface, sd, mac str
 	if layout != nil {
 		c.layout = *layout
 	}
+	c.split = e.soc.NORSplit && c.scansLayout() && e.published(splitFilename(c.board, edition))
 	return c
 }
 
diff --git a/service/internal/wizard/lines.go b/service/internal/wizard/lines.go
index 97551bb7..0c8311b8 100644
--- a/service/internal/wizard/lines.go
+++ b/service/internal/wizard/lines.go
@@ -317,6 +317,23 @@ func (c *camera) flashingLinux() []string {
 		}
 		return append(text, "reset")
 	}
+	if c.split {
+		// One image, firmware.bin, at 0x50000, the rest of the chip erased
+		// in the same guarded line: the kernel finds the FIT and the squashfs
+		// in it and makes rootfs_data of what is left.
+		fw := "firmware.bin." + c.board
+		off, erase := hexUpper(splitOffset), c.splitEraseSize()
+		text = c.probe(text)
+		if c.sdWifi() {
+			text = append(text, c.guardedFlash("fatload mmc 0:1 "+la+" "+fw, off, erase, "${filesize}"))
+		} else {
+			text = append(text,
+				c.guardedFlash("tftpboot "+la+" "+fw, off, erase, "${filesize}"),
+				"# if there is no tftpboot but tftp then run this instead",
+				c.guardedFlash("tftp "+la+" "+fw, off, erase, "${filesize}"))
+		}
+		return append(text, "reset")
+	}
 	switch {
 	case c.sdWifi():
 		text = c.writeLinux(text, "fatload mmc 0:1 "+la+" ")
diff --git a/service/internal/wizard/testdata/documents.json b/service/internal/wizard/testdata/documents.json
index daba0985..4814a413 100644
--- a/service/internal/wizard/testdata/documents.json
+++ b/service/internal/wizard/testdata/documents.json
@@ -27,10 +27,10 @@
     "gk7102s": "17d649ae799eb907d97c1799c7a6aee84248b43128e2808dfdc6a2accfb85f77",
     "gk7201v200": "0ad54ac650f3bf21044c8dfe502b925a5757f134447363d4a80f4989d712cd4d",
     "gk7201v300": "78dc314f538a02185f6df48c0079aa7a930a5586379e66607dbdad2ab760cb72",
-    "gk7202v300": "1dc00795727a869fb8af28740e069f1d22cbaca756d1146e6f21024255410216",
-    "gk7205v200": "4193ed27fdda4a591eca0e8e8edd0658af9835b7e7b9097df324f43732da54a0",
-    "gk7205v210": "602279ec9783561a29fad610e9d8c5662ff5379ec1056fc4da562efd1375c2e4",
-    "gk7205v300": "18b7d4cb3a9990112e8c73178af241d0d8b5b7be852ec62b78d6c0b6f60449af",
+    "gk7202v300": "c2d4e644b9482021191833b67092090e782e214e4967e6fd7b7a37ae63e4c2ce",
+    "gk7205v200": "91189f0539d10bf27373645c8cb77f28d89a0ca54892bfc12d547e7daf2f4a7d",
+    "gk7205v210": "f3dc3584d8a91954114df24083a59d2b0627a95cbc5620eb39479bfb76b1e834",
+    "gk7205v300": "d839ef7a0752afa630fa9c8303ea38f087f03fcc6b3cb8d8595f942f2595cf75",
     "gk7205v500": "c1a561e2d2270d643ccface15233499f931ca735b91b63368e1b298526fa98e6",
     "gk7205v510": "1555a335002054e30e2319155eead4fa25469ddadf845d3d418b55634206024a",
     "gk7205v530": "73a662d8d94a284159c6bdbb9b28a3ec3ab805d22a47bca059f816d8e72ddba9",
@@ -40,7 +40,7 @@
     "gk7206v11a": "b75715efb0a24a1ba8c5d52f24e7027c154579e6183f9fb79a33a41586e07aae",
     "gk7206v11at": "49a40d882995f6fb50a19e89ed202364ab46ea206b2985fb5967e07f07e9e219",
     "gk7206v12a": "c385a5d0e1fdef7989190cad0c4b6ac68760156de211a4f19c3f5ee334b688b2",
-    "gk7605v100": "3754171f4ed215e77c42cfe3a7f307a2f8d72a6177378b15c34a4c4ba62e1dba",
+    "gk7605v100": "162fdbdaa9827a9208bd417edcda8c61df5a1959b71821bce1f5e6be45ee5f03",
     "gm8135": "af0b20e25eddbbd209215bcf031c5e6adf0142566d79ff3c1f37f17d370fb115",
     "gm8136": "5dfdadc9ac561d9969893e3959e6914090855e731ab60fd1b4d3ae353f2309d7",
     "hi3516av100": "b5712535c365f3b9b233f2e811d4881174388c29b25000e2b4323328ee4c70a4",
diff --git a/service/internal/wizard/wizard_test.go b/service/internal/wizard/wizard_test.go
index ef593810..fe744f27 100644
--- a/service/internal/wizard/wizard_test.go
+++ b/service/internal/wizard/wizard_test.go
@@ -576,3 +576,90 @@ func TestScanningBootloaderNORInstall(t *testing.T) {
 		t.Errorf("a -universal bootloader lost its macros: %s\n%s", old.bootloader(), strings.Join(old.flashingLinux(), "\n"))
 	}
 }
+
+// withAssets is the fixture index plus the named assets, published in one
+// nightly.
+func withAssets(t *testing.T, names ...string) *firmware.Index {
+	t.Helper()
+	_, idx := inputs(t)
+	var assets []firmware.Asset
+	for _, a := range idx.Assets() {
+		assets = append(assets, a)
+	}
+	for _, n := range names {
+		assets = append(assets, firmware.Asset{Name: n, Size: 1, Release: "nightly-20261017-e8d577a"})
+	}
+	aliases := map[string]string{}
+	for _, chip := range []string{"gk7205v210", "xm550"} {
+		if b := idx.CanonicalBoard(chip); b != chip {
+			aliases[chip] = b
+		}
+	}
+	return firmware.NewIndex(idx.Build, assets, aliases, nil)
+}
+
+// The split NOR layout (catalogue nor_split): where the -split package is
+// published for the board and edition, the Linux step writes its one
+// firmware.bin at 0x50000 and erases to the end of the chip in the same
+// guarded line, and the page links that package. Without it the install stays
+// the two-image one of a scanning bootloader.
+func TestSplitNORInstall(t *testing.T) {
+	cat, plainIdx := inputs(t)
+	idx := withAssets(t,
+		"u-boot-gk7205v300-nor.bin",
+		"openipc.gk7205v300-nor-lite-split.tgz",
+		"openipc.gk7205v300-nor-ultimate-split.tgz",
+		"openipc.gk7205v200-nor-lite-split.tgz",
+	)
+	mk := func(idx *firmware.Index, soc, ft, edition string) *camera {
+		s := cat.SoC(soc)
+		e := &exporter{soc: s, idx: idx, board: firmware.Board(s, idx),
+			poolIDs: map[string]string{}, varIDs: map[string]string{}}
+		layout := ft
+		return e.camera(ft, &layout, edition, "eth", "nosd", ethaddr)
+	}
+	for _, tc := range []struct {
+		soc, ft, edition, board, erase string
+	}{
+		{"gk7205v300", "nor16m", "lite", "gk7205v300", "0xfb0000"},
+		{"gk7205v300", "nor8m", "ultimate", "gk7205v300", "0x7b0000"},
+		// gk7205v210 is published as gk7205v200.
+		{"gk7205v210", "nor8m", "lite", "gk7205v200", "0x7b0000"},
+	} {
+		c := mk(idx, tc.soc, tc.ft, tc.edition)
+		if !c.split {
+			t.Fatalf("%s %s %s: not a split install", tc.soc, tc.ft, tc.edition)
+		}
+		if got, want := c.firmwareFilename(), "openipc."+tc.board+"-nor-"+tc.edition+"-split.tgz"; got != want {
+			t.Errorf("%s: firmware %s, want %s", tc.soc, got, want)
+		}
+		linux := strings.Join(c.flashingLinux(), "\n")
+		want := "tftpboot 0x42000000 firmware.bin." + tc.board + " && sf erase 0x50000 " + tc.erase +
+			" && sf write 0x42000000 0x50000 ${filesize}"
+		if !strings.Contains(strings.ToLower(linux), strings.ToLower(want)) {
+			t.Errorf("%s %s lacks %q:\n%s", tc.soc, tc.ft, want, linux)
+		}
+		for _, gone := range []string{"uImage.", "rootfs.squashfs.", "sf lock", "run uk", "run ur"} {
+			if strings.Contains(linux, gone) {
+				t.Errorf("%s %s still writes %q:\n%s", tc.soc, tc.ft, gone, linux)
+			}
+		}
+		c.iface, c.sd = "wifi", "sd"
+		if sd := strings.Join(c.flashingLinux(), "\n"); !strings.Contains(sd, "fatload mmc 0:1 0x42000000 firmware.bin."+tc.board+" && sf erase 0x50000 "+tc.erase) {
+			t.Errorf("%s %s SD path does not write firmware.bin:\n%s", tc.soc, tc.ft, sd)
+		}
+	}
+
+	// Not published (this edition, or this nightly): the two images.
+	for _, c := range []*camera{
+		mk(idx, "gk7205v210", "nor8m", "ultimate"),
+		mk(plainIdx, "gk7205v300", "nor16m", "lite"),
+	} {
+		if c.split {
+			t.Errorf("%s %s: split without a published package", c.soc.Model, c.edition)
+		}
+		if !strings.Contains(strings.Join(c.flashingLinux(), "\n"), "rootfs.squashfs.") {
+			t.Errorf("%s %s: no two-image install to fall back to", c.soc.Model, c.edition)
+		}
+	}
+}