Power off your E5172, connect it to the PC via LAN, and power it back on.

You typically use the "Upload" or "Local Update" section under the Maintenance menu in the web UI.

for both username and password) found on the sticker at the bottom of the device. Upload Firmware Navigate to More Functions Manage Updates Local Update and browse for your or update file on your PC. and wait approximately 4 minutes. Do power off the device during this time. Method 2: Using the Huawei E5172 Updater Tool

Before downloading any firmware file, you must identify your exact router sub-model. Installing firmware meant for a different variant will permanently brick your device. Turn your router upside down and read the sticker to match your model: Model Variant Supported 4G LTE Bands Common Regions LTE FDD 800/900/1800/2100/2600 MHz & TDD 2600 MHz Europe, Asia, Middle East Huawei E5172As-22 LTE FDD 800/900/1800/2100/2600 MHz & TDD 2600 MHz Global (Voice-enabled variant) Huawei E5172s-927 LTE TDD 2300/2600 MHz India, Middle East, Africa Prerequisites Before Flashing

This indicates a soft-brick state. Ensure your static IP settings on your PC are configured correctly before running the Multicast Tool again.

Method 1: Upgrading via the Web Management Dashboard (Standard)

Open the Multicast Tool, select your computer's network card (Ethernet adapter) from the drop-down menu, and browse to select your firmware file. Click the button in the tool.