# Open a WebSocket tunnel to a phone's adb, for adb, Appium or Maestro `GET /v1/sandboxes/{sandbox}/adb` **In this build:** Works on the simulator or a real VM. **Scope:** `ssh` **CLI:** `harebox phone adb` ## Response: 200 Server-sent events. Each event's `id` is a resume cursor. Send `Upgrade: websocket` for WebSocket framing. Errors follow [one format](../errors.html).