This article explains that Elo Android devices cannot be reimaged with another operating system

Elo products that come with Android OS pre-installed cannot be rooted and do not support the installation of Linux or any other operating system.

However, Elo offers a range of devices with Linux pre-installed. For more information, please visit: Elo Linux Devices.

Additionally, Linux can be installed on Elo devices that utilize the x86 platform.