diff --git a/tools/adb-beacon/receiver.py b/tools/adb-beacon/receiver.py
index 4429fed..ec8e78c 100644
--- a/tools/adb-beacon/receiver.py
+++ b/tools/adb-beacon/receiver.py
@@ -49,9 +49,20 @@ class Handler(BaseHTTPRequestHandler):
             self.wfile.write(body)
 
     def do_GET(self):
-        if self.path.rstrip("/") != "/beacon":
-            return self._send(404, b'{"error":"not found"}')
-        self._send(200, json.dumps(load()).encode())
+        p = self.path.rstrip("/")
+        if p == "/beacon":
+            return self._send(200, json.dumps(load()).encode())
+        # Dev convenience: serve a staged APK so a device (which can only reach
+        # this host on 443) can pull it via its own curl — more resilient than
+        # adb's sustained transport over a flaky wifi. Path from APK_PATH.
+        if p == "/apk":
+            apk = os.environ.get("APK_PATH", "/tmp/echolot-app.apk")
+            try:
+                with open(apk, "rb") as f:
+                    return self._send(200, f.read(), "application/vnd.android.package-archive")
+            except FileNotFoundError:
+                return self._send(404, b'{"error":"no apk staged"}')
+        return self._send(404, b'{"error":"not found"}')
 
     def do_POST(self):
         if self.path.rstrip("/") != "/beacon":