You can upgrade device firmware via EZVIZ Cloud Service, which is a cloud service provided by EZVIZ.

1. Click Upgrade Device Firmware on the Home page to open the Upgrade Device Firmware window.
2. Click Via EZVIZ Cloud tab.
3. Set the required information.

   Simultaneous Upgrade

   Set the maximum number of devices for simultaneous upgrade. For example, if you set the value to 5, up to 5 devices can be selected for batch upgrade.

4. Click Next.
5. Install the required web plug-in.
   Note:

   If you select local PC as the upgrade method, you should install the required web plug-in if the prompt pops up.

   The upgradable devices will be displayed.

6. Select device(s) and click Next to enter the upgrade schedule page.
7. Select a upgrade schedule to upgrade the selected device(s).

   • Select Upgrade Now from the Upgrade Schedule drop-down list to start upgrade.

   • Select Custom from the Upgrade Schedule drop-down list and then customize a time period to upgrade the selected device(s).