diff --git a/app/internal/was.py b/app/internal/was.py
index d0616f4..b757703 100644
--- a/app/internal/was.py
+++ b/app/internal/was.py
@@ -252,6 +252,26 @@ def get_nvs():
     return get_json_from_file(STORAGE_USER_NVS)
 
 
+def get_asset_url(asset_type, asset):
+    was_url = get_was_url()
+    parsed = urllib.parse.urlparse(was_url)
+
+    if parsed.scheme == "ws":
+        parsed = parsed._replace(scheme="http")
+    elif parsed.scheme == "wss":
+        parsed = parsed._replace(scheme="https")
+
+    parsed = parsed._replace(path="/api/asset")
+
+    query = f"asset={asset}&type={asset_type}"
+    parsed = parsed._replace(query=query)
+
+    url = urllib.parse.urlunparse(parsed)
+
+    log.debug("get_asset_url: url='{url}'")
+    return url
+
+
 # TODO: Support HTTPs
 def get_release_url(was_url, version, platform):
     url_parts = re.match(r"^(?:\w+:\/\/)?([^\/:]+)(?::(\d+))?", was_url)
@@ -376,10 +396,17 @@ def merge_dict(dict_1, dict_2):
 
 async def post_config(request, apply=False):
     data = await request.json()
+
     if 'hostname' in data:
         hostname = data["hostname"]
         data = get_config_db()
-        msg = build_msg(data, "config")
+        # TODO only flash srmodel when needed
+        if "wake_model" in data and "wake_word_friendly" in data:
+            ota_url = get_asset_url("other", "srmodels.bin")
+            msg = json.dumps({'cmd': 'srmodels_ota_start', 'ota_url': ota_url})
+        else:
+            msg = build_msg(data, "config")
+
         try:
             ws = request.app.connmgr.get_client_by_hostname(hostname)
             await ws.send_text(msg)
@@ -388,12 +415,16 @@ async def post_config(request, apply=False):
             log.error(f"Failed to apply config to {hostname} ({e})")
             return "Error"
     else:
+        if "wake_model" in data and "wake_word_friendly" in data:
+            build_srmodels_bin([data["wake_model"]])
+
         if "wis_tts_url" in data:
             data["wis_tts_url_v2"] = construct_wis_tts_url(data["wis_tts_url"])
             del data["wis_tts_url"]
             log.debug(f"wis_tts_url_v2: {data['wis_tts_url_v2']}")
 
         save_config_to_db(data)
+        # TODO support flash srmodel broadcast
         msg = build_msg(data, "config")
         log.debug(str(msg))
         if apply: