Most modern Ctronics cameras support "Over-the-Air" (OTA) updates directly through the app.
By following this guide, you can confidently update your Ctronics camera either via the OTA app method or manually using a MicroSD card. Keep your firmware fresh, and your camera will reward you with crisp video, accurate alerts, and peace of mind. ctronics firmware update
Via the camera’s web interface or Ctronics app: Settings → Device info → Firmware version ctronics firmware update