Kerio Operator allows easy installation of phone firmware, which is managed through the phone provisioning service. This article provides the steps to successfully update the firmware of provisioned phones.
Go to the Provisioned Phones section and click on Advanced and then Firmwares, as shown in the image below:
In the Firmware and Logos window, choose a firmware and click Edit.
In the Edit firmware window, check the Verify the firmware box to confirm that the firmware includes all essential files and information.
Click Upload File.
In the New firmware window, choose the appropriate phone.
The new firmware is installed, and after the next restart, it is available on the phones. For more information on provisioned phones, refer to the below articles: