# How to use USB drive to Update iSG firmware?

### 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.

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### 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.

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

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