This document describes how to upgrade the firmware on a UTT router.
1. a UTT Business Router (hereinafter shorted as “the Router"), such as UTT router N518W, AC750W, AC750GW, AC1220GW, ER518, ER840G and ER4240G. Firmware Version: 3.0.0 or above
2. a PC/laptop connected to the Router wirelessly or through an Ethernet cable
1. Go to System Configuration > System Maintenance > Firmware Upgrade, click Select File and select the firmware that you want to upgrade. Check the latest firmware version by click “Download the Latest Version” in the 4th tip. (Both model and its hardware version must be matched. Please take time on the tips below before upgrading in case the device be defected.)
2. Click Upgrade button and click Confirm button to confirm your upgrade.