With the IGEL OS Creator (OSC), you can install IGEL OS 11 on any device that supports it. Moreover, you can use the IGEL OS Creator for recovering a broken installation of IGEL OS which is not able to boot anymore. 

You can roll out IGEL OS also via the IGEL OS Deployment Appliance. For this purpose, you will need to install IGEL OS Deployment Appliance 11.0 or higher. See IGEL OS Deployment Appliance Manual.

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This is how you can reflash a device using IGEL OS Creator. See also How to Reflash Your IGEL UD Pocket.