This is about the firmware update of Hyundai T7 tablet PC.
First, download the firmware via this link.
After download this firmware, please unzip all the files to the root directory of your micro SD card. Insert the card into your tablet, power off the tablet. Hold “volume -” and “power” button to enter the update mode. Then choose to update from the micro SD card.
After update procedure completed, please reboot the tablet.