diff --git a/data/catalogue/goke.yml b/data/catalogue/goke.yml
index a79c1a1f..8a264ab5 100644
--- a/data/catalogue/goke.yml
+++ b/data/catalogue/goke.yml
@@ -194,6 +194,7 @@ socs:
   kernel: ''
   uboot_filename: u-boot-gk7205v500-nor.bin
   uboot_nand_filename: u-boot-gk7205v500-nand.bin
+  nor_split: true
   linux_filename: openipc.gk7205v500-nor-lite.tgz
   notes: ''
   urlname: gk7205v500
@@ -209,8 +210,8 @@ socs:
   kernel: ''
   uboot_filename: u-boot-gk7205v510-nor.bin
   uboot_nand_filename: u-boot-gk7205v510-nand.bin
-  linux_filename: openipc.gk7205v510-nor-lite.tgz
-  nand_board: gk7205v500
+  nor_split: true
+  linux_filename: openipc.gk7205v500-nor-lite.tgz
   notes: ''
   urlname: gk7205v510
   build_status_url: https://github.com/OpenIPC/firmware/actions/workflows/gk7205v500_images.yml/badge.svg
@@ -225,6 +226,7 @@ socs:
   kernel: ''
   uboot_filename: u-boot-gk7205v530-nor.bin
   uboot_nand_filename: u-boot-gk7205v530-nand.bin
+  nor_split: true
   linux_filename: openipc.gk7205v500-nor-lite.tgz
   notes: ''
   urlname: gk7205v530
diff --git a/service/internal/catalogue/catalogue.go b/service/internal/catalogue/catalogue.go
index 287ffce0..51b6bb68 100644
--- a/service/internal/catalogue/catalogue.go
+++ b/service/internal/catalogue/catalogue.go
@@ -30,8 +30,9 @@ type SoC struct {
 	// uknand; run urnand` for every SoC that still boots that way.
 	UBootNANDFilename string `yaml:"uboot_nand_filename"`
 	// 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.
+	// firmware under, when that is not the NOR one. No SoC needs it today:
+	// GK7205V510, which had a NOR build of its own, now installs the
+	// GK7205V500 build on both.
 	NANDBoard string `yaml:"nand_board"`
 	// NORSplit is a SoC whose firmware ships the split NOR layout,
 	// openipc.<board>-nor-<edition>-split.tgz: one firmware.bin (a uImage,
diff --git a/service/internal/firmware/testdata/boards.json b/service/internal/firmware/testdata/boards.json
index d638a83f..dc6f4b3d 100644
--- a/service/internal/firmware/testdata/boards.json
+++ b/service/internal/firmware/testdata/boards.json
@@ -305,10 +305,10 @@
     "urlname": "gk7205v510",
     "vendor": "Goke",
     "model": "GK7205V510",
-    "board": "gk7205v510",
+    "board": "gk7205v500",
     "uboot": "u-boot-gk7205v510-nor.bin",
     "uboot_nand": "u-boot-gk7205v510-nand.bin",
-    "nor_lite": "openipc.gk7205v510-nor-lite.tgz",
+    "nor_lite": "openipc.gk7205v500-nor-lite.tgz",
     "nand_lite": "openipc.gk7205v500-nand-lite.tgz"
   },
   {
diff --git a/service/internal/firmware/testdata/release-index.json b/service/internal/firmware/testdata/release-index.json
index 57ae29d0..3e506299 100644
--- a/service/internal/firmware/testdata/release-index.json
+++ b/service/internal/firmware/testdata/release-index.json
@@ -153,10 +153,16 @@
       "updated_at": "2026-09-23T18:31:36Z",
       "release": "nightly-20260923-830fa4c"
     },
-    "openipc.gk7205v510-nor-lite.tgz": {
-      "size": 6443090,
-      "digest": "sha256:4a40237a61fa5ba607b7c1ce5c8fa7abe6a95b91001137f5be6de4dbfe895eeb",
-      "updated_at": "2026-09-23T18:31:39Z",
+    "openipc.gk7205v500-nor-lite-split.tgz": {
+      "size": 7133113,
+      "digest": "sha256:115e0a569d30e06374170080962d506cde4c0c4f436ee59b672353eb820082b9",
+      "updated_at": "2026-09-23T18:31:35Z",
+      "release": "nightly-20260923-830fa4c"
+    },
+    "openipc.gk7205v500-nor-ultimate-split.tgz": {
+      "size": 8654640,
+      "digest": "sha256:6ad41b0e4fd158f81458c27d4266c99ce1ccfe34cb0286efe0d7505448e0363c",
+      "updated_at": "2026-09-23T18:31:37Z",
       "release": "nightly-20260923-830fa4c"
     },
     "openipc.gk7605v100-nor-lite.tgz": {
@@ -1419,11 +1425,6 @@
       "kernel_kb": 1897,
       "rootfs_kb": 6980
     },
-    "gk7205v510-lite": {
-      "flash_mb": 8,
-      "kernel_kb": 1897,
-      "rootfs_kb": 4416
-    },
     "gk7605v100-lite": {
       "flash_mb": 8,
       "kernel_kb": 1856,
diff --git a/service/internal/wizard/testdata/documents.json b/service/internal/wizard/testdata/documents.json
index c1cb8cb2..ed1ae563 100644
--- a/service/internal/wizard/testdata/documents.json
+++ b/service/internal/wizard/testdata/documents.json
@@ -1,5 +1,5 @@
 {
-  "combinations": 10788,
+  "combinations": 10800,
   "files": {
     "ak3916ev300": "95a4bfb1fe638dfe8567b7356fdd20aeccaee9891b7453ad03e351cb70670469",
     "ak3916ev301": "264ff93cb0bc8655b2973eb1a4423631d949e1d6b8e24d18ab5c57b9b14665b5",
@@ -31,9 +31,9 @@
     "gk7205v200": "91189f0539d10bf27373645c8cb77f28d89a0ca54892bfc12d547e7daf2f4a7d",
     "gk7205v210": "f3dc3584d8a91954114df24083a59d2b0627a95cbc5620eb39479bfb76b1e834",
     "gk7205v300": "d839ef7a0752afa630fa9c8303ea38f087f03fcc6b3cb8d8595f942f2595cf75",
-    "gk7205v500": "c1a561e2d2270d643ccface15233499f931ca735b91b63368e1b298526fa98e6",
-    "gk7205v510": "1555a335002054e30e2319155eead4fa25469ddadf845d3d418b55634206024a",
-    "gk7205v530": "73a662d8d94a284159c6bdbb9b28a3ec3ab805d22a47bca059f816d8e72ddba9",
+    "gk7205v500": "153014abf85ca5d1fc417af1e27c212473c24e79518bdc6fe1ec5002e6adec77",
+    "gk7205v510": "6e77663649c2dde2a8b6351871906428f450cb4d0e926f27068bcc2fc25d9a3b",
+    "gk7205v530": "d044e0ff107936c4fa22cf4c223b78316d7ec3641b9e6604df762e0f25a40dc0",
     "gk7206v10": "1087f9b56bdf07afaa27685364bbcd2a77c1b63dfb016f28845dbd69e36f1e6a",
     "gk7206v10b": "1c9b76d25e405089e630bf14e3ba7ef39a8185f5537bda9beccbb4c8af446494",
     "gk7206v11": "7bf2acae0d92d9856e81952e1a15e12c3610a439d3d35a791f8ca7fa2dde7635",
diff --git a/service/internal/wizard/wizard_test.go b/service/internal/wizard/wizard_test.go
index 704c6af4..b8e81db4 100644
--- a/service/internal/wizard/wizard_test.go
+++ b/service/internal/wizard/wizard_test.go
@@ -322,32 +322,36 @@ func TestUBINandWithoutItsBootloaderIsNotOffered(t *testing.T) {
 	}
 }
 
-// GK7205V510 has a NOR build of its own; its NAND firmware is the GK7205V500
-// build (nand_board), and each flash type names its own.
-func TestNANDBoardIsUsedForNANDOnly(t *testing.T) {
+// GK7205V510 installs the GK7205V500 build on NOR and on NAND alike, as
+// defib does: one firmware serves the V500 family. Its bootloaders stay its
+// own, and on NOR, where the split package is published, it is the split
+// image.
+func TestV510InstallsTheV500Build(t *testing.T) {
 	cat, idx := inputs(t)
 	d := decode(t, Document(cat.SoC("gk7205v510"), idx))
-	if d["board"] != "gk7205v510" {
-		t.Errorf("board %v, want the NOR build gk7205v510", d["board"])
+	if d["board"] != "gk7205v500" {
+		t.Errorf("board %v, want the gk7205v500 build", d["board"])
 	}
 	pool := d["blocks"].(map[string]any)
-	sawNand := false
+	seen := map[string]bool{}
 	for _, raw := range d["combinations"].([]any) {
 		c := raw.(map[string]any)
-		if c["flash_type"] != "nand" {
-			continue
-		}
-		sawNand = true
+		ft := c["flash_type"].(string)
+		seen[strings.TrimRight(ft, "0123456789m")] = true
 		var lines []string
 		for _, l := range pool[c["blocks"].(map[string]any)["flashing_linux"].(string)].(map[string]any)["lines"].([]any) {
 			lines = append(lines, l.(string))
 		}
-		if all := strings.Join(lines, "\n"); !strings.Contains(all, "rootfs.ubi.gk7205v500") {
-			t.Errorf("NAND install does not use the gk7205v500 build:\n%s", all)
+		all := strings.Join(lines, "\n")
+		if strings.Contains(all, "gk7205v510") || !strings.Contains(all, "gk7205v500") {
+			t.Errorf("%s install does not use the gk7205v500 build:\n%s", ft, all)
+		}
+		if strings.HasPrefix(ft, "nor") && !strings.Contains(all, "firmware.bin.gk7205v500") {
+			t.Errorf("%s install is not the split image:\n%s", ft, all)
 		}
 	}
-	if !sawNand {
-		t.Errorf("no NAND combination for gk7205v510")
+	if !seen["nor"] || !seen["nand"] {
+		t.Errorf("combinations cover %v, want nor and nand", seen)
 	}
 }