diff --git a/static/index.html b/static/index.html
index 86244bd..990b8b8 100644
--- a/static/index.html
+++ b/static/index.html
@@ -1037,9 +1037,9 @@
 
     <div class="tabs">
       <button id="tabTrainer" class="tabBtn active" type="button">Trainer</button>
+      <button id="tabFirmware" class="tabBtn" type="button">Firmware</button>
       <button id="tabCaptured" class="tabBtn" type="button">Captured Audio</button>
       <button id="tabSamples" class="tabBtn" type="button">Samples</button>
-      <button id="tabFirmware" class="tabBtn" type="button">Firmware</button>
     </div>
 
     <div id="trainerView" class="viewStack stack">
@@ -1418,6 +1418,7 @@
     activeView: "trainer",
   };
   let firmwareProfileSaveTimer = null;
+  let firmwareProfileReloadTimer = null;
 
   function setPill(el, text, cls) {
     el.className = "pill " + (cls || "");
@@ -1838,7 +1839,10 @@
     setPill($("firmwareDetectStatus"), `${list.length} detected`, "ok");
     if (!($("firmwareHost").value || "").trim()) {
       $("firmwareDeviceSelect").value = "0";
-      applySelectedFirmwareDevice();
+      applySelectedFirmwareDevice().catch((error) => {
+        setPill($("firmwareStatus"), "Device settings failed", "warn");
+        console.warn("Device settings load failed", error);
+      });
     }
   }
 
@@ -1850,15 +1854,20 @@
     return data;
   }
 
-  function applySelectedFirmwareDevice() {
+  async function applySelectedFirmwareDevice() {
     const indexText = $("firmwareDeviceSelect").value;
     if (indexText === "") return;
     const device = uiState.firmware.devices[Number(indexText)];
     if (!device) return;
+    await flushFirmwareProfileSave();
     $("firmwareHost").value = device.host || "";
     $("firmwarePort").value = device.port || 3232;
+    setPill($("firmwareStatus"), "Loading device settings...", "warn");
+    const data = await refreshFirmwareTemplates();
+    if (!Array.isArray(data?.warnings) || !data.warnings.length) {
+      setPill($("firmwareStatus"), "Device settings loaded", "ok");
+    }
     syncButtons();
-    scheduleFirmwareProfileSave();
   }
 
   function selectedFirmwareTemplate() {
@@ -1922,6 +1931,7 @@
         </div>
       </section>
     `).join("");
+    syncRenderedWakeWordSelection();
   }
 
   function renderFirmwareField(field) {
@@ -1987,7 +1997,14 @@
     `;
   }
 
-  function applyWakeWordSelection(select) {
+  function syncRenderedWakeWordSelection() {
+    const select = document.querySelector("select[data-wake-word-select]");
+    if (select && select.value) {
+      applyWakeWordSelection(select, { silent: true });
+    }
+  }
+
+  function applyWakeWordSelection(select, options = {}) {
     const option = select?.selectedOptions?.[0];
     if (!option || !select.value) return;
     const wakeWordName = option.dataset.wakeWordName || "";
@@ -2000,13 +2017,25 @@
     if (urlInput && wakeWordUrl) {
       urlInput.value = wakeWordUrl;
     }
-    setPill($("firmwareStatus"), "Wake word selected", "ok");
-    scheduleFirmwareProfileSave();
+    if (!options.silent) {
+      setPill($("firmwareStatus"), "Wake word selected", "ok");
+      scheduleFirmwareProfileSave();
+    }
     syncButtons();
   }
 
+  function firmwareTemplateQuery() {
+    const params = new URLSearchParams();
+    const host = ($("firmwareHost").value || "").trim();
+    const port = ($("firmwarePort").value || "3232").trim();
+    if (host) params.set("target_host", host);
+    if (port) params.set("target_port", port);
+    const query = params.toString();
+    return query ? `?${query}` : "";
+  }
+
   async function refreshFirmwareTemplates() {
-    const data = await api("/api/firmware/templates", { method: "GET" });
+    const data = await api(`/api/firmware/templates${firmwareTemplateQuery()}`, { method: "GET" });
     renderFirmwareTemplates(data);
     if (Array.isArray(data.warnings) && data.warnings.length) {
       setPill($("firmwareStatus"), "Template warning", "warn");
@@ -2062,11 +2091,33 @@
     }, 550);
   }
 
+  function scheduleFirmwareProfileReload() {
+    if (firmwareProfileSaveTimer) {
+      clearTimeout(firmwareProfileSaveTimer);
+      firmwareProfileSaveTimer = null;
+    }
+    if (firmwareProfileReloadTimer) {
+      clearTimeout(firmwareProfileReloadTimer);
+    }
+    firmwareProfileReloadTimer = setTimeout(async () => {
+      firmwareProfileReloadTimer = null;
+      try {
+        await refreshFirmwareTemplates();
+      } catch (error) {
+        setPill($("firmwareStatus"), "Device settings failed", "warn");
+      }
+    }, 650);
+  }
+
   function flushFirmwareProfileSave(templateKey = null) {
     if (firmwareProfileSaveTimer) {
       clearTimeout(firmwareProfileSaveTimer);
       firmwareProfileSaveTimer = null;
     }
+    if (firmwareProfileReloadTimer) {
+      clearTimeout(firmwareProfileReloadTimer);
+      firmwareProfileReloadTimer = null;
+    }
     return saveFirmwareProfileNow({ templateKey, quiet: true }).catch(() => null);
   }
 
@@ -2500,11 +2551,11 @@
 
   $("firmwareHost").addEventListener("input", () => {
     syncButtons();
-    scheduleFirmwareProfileSave();
+    scheduleFirmwareProfileReload();
   });
   $("firmwarePort").addEventListener("input", () => {
     syncButtons();
-    scheduleFirmwareProfileSave();
+    scheduleFirmwareProfileReload();
   });
   $("firmwareTemplate").addEventListener("change", () => {
     flushFirmwareProfileSave(uiState.firmware.activeTemplateKey);
@@ -2526,7 +2577,12 @@
     syncButtons();
     scheduleFirmwareProfileSave();
   });
-  $("firmwareDeviceSelect").addEventListener("change", applySelectedFirmwareDevice);
+  $("firmwareDeviceSelect").addEventListener("change", () => {
+    applySelectedFirmwareDevice().catch((error) => {
+      setPill($("firmwareStatus"), "Device settings failed", "warn");
+      alert("Device settings failed: " + error.message);
+    });
+  });
   $("refreshFirmwareBtn").addEventListener("click", async () => {
     try {
       await refreshFirmwareDevices();
diff --git a/trainer_server.py b/trainer_server.py
index ffc6dc0..88d3a8f 100644
--- a/trainer_server.py
+++ b/trainer_server.py
@@ -1488,15 +1488,56 @@ def _load_firmware_profiles() -> Dict[str, Dict[str, str]]:
     return {}
 
 
-def _save_firmware_profile(template_key: str, values: Dict[str, str]) -> None:
+def _save_firmware_profile(profile_key: str, values: Dict[str, str]) -> None:
     FIRMWARE_PROFILE_FILE.parent.mkdir(parents=True, exist_ok=True)
     profiles = _load_firmware_profiles()
-    profiles[template_key] = {str(key): str(value) for key, value in values.items() if str(key)}
+    profiles[profile_key] = {str(key): str(value) for key, value in values.items() if str(key)}
     FIRMWARE_PROFILE_FILE.write_text(json.dumps(profiles, indent=2, sort_keys=True), encoding="utf-8")
 
 
-def _normalize_firmware_profile_update(template_key: str, values: Dict[str, Any]) -> Dict[str, str]:
-    ctx = _load_firmware_template_context(template_key)
+def _firmware_profile_target(raw_host: Any = "", raw_port: Any = "") -> tuple[str, str]:
+    host = str(raw_host or "").strip()
+    port = str(raw_port or "").strip()
+    if "://" in host:
+        parsed = urlparse(host)
+        host = parsed.hostname or ""
+        if not port and parsed.port:
+            port = str(parsed.port)
+    host = host.strip().strip("/")
+    if host.count(":") == 1 and not port:
+        maybe_host, maybe_port = host.rsplit(":", 1)
+        if maybe_port.isdigit():
+            host = maybe_host
+            port = maybe_port
+    host = host.strip("[]").strip().lower()
+    if not host:
+        return "", ""
+    with contextlib.suppress(Exception):
+        parsed_port = int(port or FIRMWARE_DEFAULT_OTA_PORT)
+        if parsed_port == 6053:
+            parsed_port = FIRMWARE_DEFAULT_OTA_PORT
+        port = str(parsed_port)
+    if not port:
+        port = str(FIRMWARE_DEFAULT_OTA_PORT)
+    return host, port
+
+
+def _firmware_profile_key_for_target(raw_host: Any = "", raw_port: Any = "") -> str:
+    host, port = _firmware_profile_target(raw_host, raw_port)
+    return f"device:{host}:{port}" if host else ""
+
+
+def _load_firmware_profile(template_key: str, profile_key: str = "") -> Dict[str, str]:
+    profiles = _load_firmware_profiles()
+    profile = profiles.get(profile_key) if profile_key else None
+    if isinstance(profile, dict):
+        return dict(profile)
+    legacy = profiles.get(template_key)
+    return dict(legacy) if isinstance(legacy, dict) else {}
+
+
+def _normalize_firmware_profile_update(template_key: str, values: Dict[str, Any], profile_key: str = "") -> Dict[str, str]:
+    ctx = _load_firmware_template_context(template_key, profile_key)
     spec = ctx["spec"]
     profile = ctx.get("profile") if isinstance(ctx.get("profile"), dict) else {}
     substitutions = ctx["substitutions"]
@@ -1527,6 +1568,12 @@ def _normalize_firmware_profile_update(template_key: str, values: Dict[str, Any]
             elif key_text not in normalized:
                 normalized[key_text] = "true" if str(default).lower() == "true" else "false"
             continue
+        if key_text == "wake_word_model_url":
+            if key_text in values:
+                normalized[key_text] = _local_trained_wake_word_url(values.get(key_text))
+            elif key_text not in normalized:
+                normalized[key_text] = ""
+            continue
         if key_text in values:
             normalized[key_text] = str(values.get(key_text) or "").strip()
         elif key_text not in normalized:
@@ -1548,7 +1595,38 @@ def _normalize_firmware_profile_update(template_key: str, values: Dict[str, Any]
     return normalized
 
 
-def _load_firmware_template_context(template_key: str) -> Dict[str, Any]:
+def _local_trained_wake_word_url(value: Any) -> str:
+    url = str(value or "").strip()
+    return url if "/api/trained_wake_words/" in url else ""
+
+
+def _selected_trained_wake_word(
+    trained_wake_words: List[Dict[str, Any]],
+    profile: Dict[str, Any],
+    substitutions: Dict[str, Any],
+) -> Dict[str, Any] | None:
+    if not trained_wake_words:
+        return None
+
+    saved_choice = str(profile.get("wake_word_choice") or "").strip()
+    current_wake_word_name = str(
+        profile.get("wake_word_name") or _template_default_string(substitutions.get("wake_word_name"))
+    ).strip()
+    current_wake_word_url = str(profile.get("wake_word_model_url") or "").strip()
+
+    def match(predicate):
+        return next((row for row in trained_wake_words if predicate(row)), None)
+
+    return (
+        match(lambda row: str(row.get("key") or "") == saved_choice)
+        or match(lambda row: str(row.get("json_url") or "") == current_wake_word_url)
+        or match(lambda row: str(row.get("model_url") or "") == current_wake_word_url)
+        or match(lambda row: str(row.get("wake_word_name") or "") == current_wake_word_name)
+        or trained_wake_words[0]
+    )
+
+
+def _load_firmware_template_context(template_key: str, profile_key: str = "") -> Dict[str, Any]:
     spec = _firmware_template_spec(template_key)
     raw_text, source_label = _load_firmware_template_text(spec)
     parsed = yaml.load(raw_text, Loader=_FirmwareYamlLoader)
@@ -1564,12 +1642,12 @@ def _load_firmware_template_context(template_key: str) -> Dict[str, Any]:
         "template_doc": parsed,
         "substitutions": dict(substitutions),
         "sections": _extract_substitution_sections(raw_text),
-        "profile": _load_firmware_profiles().get(str(spec.get("key") or ""), {}),
+        "profile": _load_firmware_profile(str(spec.get("key") or ""), profile_key),
     }
 
 
-def _firmware_template_fields(template_key: str, base_url: str = "") -> List[Dict[str, Any]]:
-    ctx = _load_firmware_template_context(template_key)
+def _firmware_template_fields(template_key: str, base_url: str = "", profile_key: str = "") -> List[Dict[str, Any]]:
+    ctx = _load_firmware_template_context(template_key, profile_key)
     spec = ctx["spec"]
     profile = ctx.get("profile") if isinstance(ctx.get("profile"), dict) else {}
     fields: List[Dict[str, Any]] = []
@@ -1579,17 +1657,8 @@ def _firmware_template_fields(template_key: str, base_url: str = "") -> List[Dic
         fixed_keys.add(identity_key)
     hidden_keys = {"ha_voice_ip"} | set(spec.get("auto_keys") or set())
     trained_wake_words = _list_trained_wake_words(base_url)
-    current_wake_word_name = str(
-        profile.get("wake_word_name") or _template_default_string(ctx["substitutions"].get("wake_word_name"))
-    ).strip()
-    saved_wake_word_choice = str(profile.get("wake_word_choice") or "").strip()
-    selected_wake_word = next(
-        (row["key"] for row in trained_wake_words if row.get("key") == saved_wake_word_choice),
-        "",
-    ) or next(
-        (row["key"] for row in trained_wake_words if row.get("wake_word_name") == current_wake_word_name),
-        "",
-    )
+    selected_wake_word_row = _selected_trained_wake_word(trained_wake_words, profile, ctx["substitutions"])
+    selected_wake_word = str(selected_wake_word_row.get("key") or "") if selected_wake_word_row else ""
     wake_picker_added = False
 
     for key, raw_value in ctx["substitutions"].items():
@@ -1640,8 +1709,12 @@ def _firmware_template_fields(template_key: str, base_url: str = "") -> List[Dic
             placeholder = "Your Wi-Fi SSID"
             description = "Required before build + flash."
         elif key_text == "wake_word_model_url":
-            placeholder = "https://.../wake_word.json"
+            value = str(selected_wake_word_row.get("json_url") or "") if selected_wake_word_row else ""
+            placeholder = "Train or select a local wake word first"
+            description = "Filled from the local trained wake-word picker."
         elif key_text == "wake_word_name":
+            if selected_wake_word_row:
+                value = str(selected_wake_word_row.get("wake_word_name") or selected_wake_word_row.get("key") or "")
             placeholder = "hey_tater"
         section = ctx["sections"].get(key_text) or "Firmware"
         if key_text in {"wake_word_name", "wake_word_model_url"}:
@@ -1678,8 +1751,15 @@ def _esphome_pythonpath() -> str:
     return os.pathsep.join(paths)
 
 
-def _render_firmware_config(template_key: str, values: Dict[str, Any], host: str, session_id: str) -> tuple[Path, Dict[str, str]]:
-    ctx = _load_firmware_template_context(template_key)
+def _render_firmware_config(
+    template_key: str,
+    values: Dict[str, Any],
+    host: str,
+    session_id: str,
+    port: Any = None,
+) -> tuple[Path, Dict[str, str]]:
+    profile_key = _firmware_profile_key_for_target(host, port)
+    ctx = _load_firmware_template_context(template_key, profile_key)
     spec = ctx["spec"]
     profile = ctx.get("profile") if isinstance(ctx.get("profile"), dict) else {}
     substitutions = ctx["substitutions"]
@@ -1702,6 +1782,8 @@ def _render_firmware_config(template_key: str, values: Dict[str, Any], host: str
             normalized[key_text] = "true" if bool(raw_value) else "false"
         elif key_text == "ha_voice_ip":
             normalized[key_text] = host
+        elif key_text == "wake_word_model_url":
+            normalized[key_text] = _local_trained_wake_word_url(raw_value)
         else:
             normalized[key_text] = str(raw_value if raw_value is not None else "").strip() or _template_default_string(
                 substitutions.get(key_text)
@@ -1714,6 +1796,8 @@ def _render_firmware_config(template_key: str, values: Dict[str, Any], host: str
         missing.append("Wi-Fi password")
     if not host:
         missing.append("device IP or hostname")
+    if "wake_word_model_url" in substitutions and not normalized.get("wake_word_model_url"):
+        missing.append("local trained wake word")
     if missing:
         raise RuntimeError(f"Missing required firmware values: {', '.join(missing)}.")
 
@@ -1728,7 +1812,11 @@ def _render_firmware_config(template_key: str, values: Dict[str, Any], host: str
     session_dir.mkdir(parents=True, exist_ok=True)
     config_path = session_dir / f"{str(spec.get('key') or template_key)}.yaml"
     config_path.write_text(yaml.dump(config, Dumper=_FirmwareYamlDumper, sort_keys=False, allow_unicode=True), encoding="utf-8")
-    _save_firmware_profile(str(spec.get("key") or template_key), normalized)
+    normalized_host, normalized_port = _firmware_profile_target(host, port)
+    if normalized_host:
+        normalized["__target_host"] = normalized_host
+        normalized["__target_port"] = normalized_port
+    _save_firmware_profile(profile_key or str(spec.get("key") or template_key), normalized)
     return config_path, normalized
 
 
@@ -1947,7 +2035,7 @@ def _run_firmware_build_flash_background(session_id: str):
         return
 
     try:
-        config_path, _normalized = _render_firmware_config(template_key, values, host, session_id)
+        config_path, _normalized = _render_firmware_config(template_key, values, host, session_id, port)
     except Exception as exc:
         _append_firmware_log(session_id, f"✗ Failed to prepare firmware config: {exc}")
         with FIRMWARE_LOCK:
@@ -2518,28 +2606,30 @@ def firmware_devices():
 
 
 @app.get("/api/firmware/templates")
-def firmware_templates(request: Request):
+def firmware_templates(request: Request, target_host: str = "", target_port: str = ""):
     templates = []
     warnings = []
     base_url = _request_base_url(request)
     wake_words = _list_trained_wake_words(base_url)
-    profiles = _load_firmware_profiles()
+    profile_key = _firmware_profile_key_for_target(target_host, target_port)
+    selected_host, selected_port = _firmware_profile_target(target_host, target_port)
     for spec in FIRMWARE_TEMPLATE_SPECS:
         key = str(spec.get("key") or "")
-        profile = profiles.get(key, {})
-        target_port = str(profile.get("__target_port") or "")
-        if target_port == "6053":
-            target_port = str(FIRMWARE_DEFAULT_OTA_PORT)
+        profile = _load_firmware_profile(key, profile_key)
+        row_target_host = selected_host or str(profile.get("__target_host") or "")
+        row_target_port = selected_port or str(profile.get("__target_port") or "")
+        if row_target_port == "6053":
+            row_target_port = str(FIRMWARE_DEFAULT_OTA_PORT)
         row = {
             "value": key,
             "label": str(spec.get("label") or key),
             "source_url": _firmware_raw_url(str(spec.get("path") or "")),
-            "target_host": str(profile.get("__target_host") or ""),
-            "target_port": target_port,
+            "target_host": row_target_host,
+            "target_port": row_target_port,
             "fields": [],
         }
         try:
-            row["fields"] = _firmware_template_fields(key, base_url)
+            row["fields"] = _firmware_template_fields(key, base_url, profile_key)
         except Exception as exc:
             warnings.append(f"{row['label']}: {exc}")
         templates.append(row)
@@ -2559,11 +2649,12 @@ def firmware_profile(payload: Dict[str, Any]):
         template_key = str(body.get("template_key") or "").strip()
         _firmware_template_spec(template_key)
         values = body.get("values") if isinstance(body.get("values"), dict) else {}
-        saved = _normalize_firmware_profile_update(template_key, values)
-        _save_firmware_profile(template_key, saved)
+        profile_key = _firmware_profile_key_for_target(values.get("__target_host"), values.get("__target_port"))
+        saved = _normalize_firmware_profile_update(template_key, values, profile_key)
+        _save_firmware_profile(profile_key or template_key, saved)
     except Exception as e:
         return JSONResponse({"ok": False, "error": str(e)}, status_code=400)
-    return {"ok": True, "template_key": template_key, "saved_fields": sorted(saved.keys())}
+    return {"ok": True, "template_key": template_key, "profile_key": profile_key or template_key, "saved_fields": sorted(saved.keys())}
 
 
 @app.get("/api/trained_wake_words/catalog")