If you do not see an "Update Pending" icon or button, your device likely already has the latest firmware compatible with your hardware and panel configuration. Troubleshooting Common Issues Firmware changelog - What's new in EVL-4 01.05.203?
Your Envisalink is a gateway to your alarm system. Outdated firmware may contain known exploits that could allow unauthorized access. Updates close these loopholes. envisalink firmware update
This method is for advanced users only. Contact Eyzon support if unfamiliar. If you do not see an "Update Pending"