How to use USB drive to Update iSG firmware?

This guide will show you how to download the iSG firmware upgrade file onto a USB drive and then locate and install it within the iSG.

1. Download iSG update file onto a USB drive

2. Access the system settings

Press and hold the power button on the back of the iSG Display MAX. Three quick options will appear - select the last one to access the system settings.

3. Find USB Drive in system storage

In the system settings, navigate to storage - Documents & others, and install the APK file from the USB drive.

4. Click “USB DISK”，select iSG update APK file and finish installation.