diff --git a/neode-ui/src/components/mesh/MeshDeviceSetupModal.vue b/neode-ui/src/components/mesh/MeshDeviceSetupModal.vue
index ae2fe414..5582c4ca 100644
--- a/neode-ui/src/components/mesh/MeshDeviceSetupModal.vue
+++ b/neode-ui/src/components/mesh/MeshDeviceSetupModal.vue
@@ -453,10 +453,27 @@ const starting = ref(false)
 const flashJob = ref<FlashJobStatus | null>(null)
 let flashPollTimer: ReturnType<typeof setInterval> | null = null
 
-// Best-effort guess from the already-resolved board image label — the user
-// can always override; a wrong guess just means the checkbox below draws
-// their attention to the warning before anything destructive happens.
-const boardAutoDetected = computed(() => /v4/i.test(deviceImage.value.label) || /v3/i.test(deviceImage.value.label))
+const detectedInfo = computed(() =>
+  mesh.status?.detected_device_info?.find(d => d.path === devicePath.value)
+)
+
+// Mirrors mesh::flash::resolve_flash_board (core/archipelago/src/mesh/flash.rs)
+// exactly — matching on the display label was wrong: a Heltec V3's CP2102
+// bridge chip reports "CP2102 USB to UART Bridge Controller" in its USB
+// strings, not "Heltec", so meshDeviceImages.ts falls back to a generic
+// "LoRa radio (CP2102 serial)" label that never matched /v3/i, showing the
+// "couldn't confirm automatically" warning even though the backend CAN
+// safely auto-detect V3 via vid:pid. Heltec V4 deliberately has no entry
+// here, same reasoning as the backend: its vid:pid (303a:1001) is the
+// ESP32-S3's generic native-USB descriptor, not V4-specific, so it can't be
+// safely auto-matched and always requires manual selection.
+const resolvedFlashBoard = computed<FlashBoard | ''>(() => {
+  const info = detectedInfo.value
+  if (info?.vid?.toLowerCase() === '10c4' && info?.pid?.toLowerCase() === 'ea60') return 'heltec-v3'
+  return ''
+})
+
+const boardAutoDetected = computed(() => !!resolvedFlashBoard.value)
 
 const flashStageLabel = computed(() => {
   switch (flashJob.value?.stage) {
@@ -472,7 +489,7 @@ const flashStageLabel = computed(() => {
 
 function openFlashStep() {
   flashFamily.value = (probe.value?.kind as FlashFirmwareFamily) ?? ''
-  flashBoard.value = /v4/i.test(deviceImage.value.label) ? 'heltec-v4' : /v3/i.test(deviceImage.value.label) ? 'heltec-v3' : ''
+  flashBoard.value = resolvedFlashBoard.value
   flashConfirmed.value = false
   flashJob.value = null
   error.value = ''