This article explains how to get the device log file from Elo's Android I-Series and/or Backpack

ADB, Android Debug Bridge, is a command-line utility included with Google’s Android SDK. ADB can be used to control your device (over IP) from any computer to copy files back and forth, install and uninstall apps, run shell commands, debugging, and much more.

Logcat command-line tool dumps a log of system messages, including stack traces when the device throws an error and messages that you have written from your app with the Log class.

Please refer to the related attached documentation for complete instruction and a link to the tools needed.