diff --git a/update-Nitrov3.sh b/update-Nitrov3.sh
index 66ad40c..3c15813 100755
--- a/update-Nitrov3.sh
+++ b/update-Nitrov3.sh
@@ -358,6 +358,38 @@ sync_configs() {
         ec=$((ec+1))
     done
     ok "$ec config file(s) synced"
+
+    info "Applying critical config URLs..."
+    NITRO_SRC_DIR="$NITRO_SRC_DIR" NITRO_DIST_CONFIG_DIR="$dcd" \
+        NITRO_IMAGE_LIBRARY_URL="$NITRO_IMAGE_LIBRARY_URL" NITRO_HOF_FURNITURE_URL="$NITRO_HOF_FURNITURE_URL" \
+        NITRO_API_URL="$NITRO_API_URL" NITRO_SOCKET_URL="$NITRO_SOCKET_URL" \
+        NITRO_GAMEDATA_URL="$NITRO_GAMEDATA_URL" NITRO_ASSET_URL="$NITRO_ASSET_URL" \
+        NITRO_FURNI_ASSET_ICON_URL="$NITRO_FURNI_ASSET_ICON_URL" \
+        python3 -c '
+import json, os
+paths = [
+    os.path.join(os.environ.get("NITRO_SRC_DIR", ""), "renderer-config.json"),
+    os.path.join(os.environ.get("NITRO_DIST_CONFIG_DIR", ""), "renderer-config.json"),
+    os.path.join(os.environ.get("NITRO_SRC_DIR", ""), "ui-config.json"),
+    os.path.join(os.environ.get("NITRO_DIST_CONFIG_DIR", ""), "ui-config.json"),
+]
+for path in paths:
+    if not os.path.exists(path): continue
+    with open(path, "r") as f: data = json.load(f)
+    for key in ["image.library.url", "hof.furni.url", "gamedata.url", "asset.url"]:
+        env_val = os.environ.get(f"NITRO_{key.upper().replace(chr(46), chr(95))}")
+        if env_val: data[key] = env_val
+    for key in ["api.url", "socket.url", "furni.asset.icon.url"]:
+        if key in data:
+            env_val = os.environ.get(f"NITRO_{key.upper().replace(chr(46), chr(95))}")
+            if env_val: data[key] = env_val
+    if "gamedata.url" in data:
+        data["radio.url"] = data["gamedata.url"] + "/config/radio-stations.json5?t=%timestamp%"
+        data["soundboard.url"] = data["gamedata.url"] + "/config/soundboard-sounds.json5?t=%timestamp%"
+    if "show.google.ads" in data: data["show.google.ads"] = False
+    with open(path, "w") as f: json.dump(data, f, indent=(4 if "dist" not in path else None), separators=(",", ":") if "dist" in path else (",", ": "))
+    print(f"  [OK] Fixed: {os.path.basename(path)}")
+' && ok "All config URLs synced"
 }
 
 do_cleanup() {