If your router is currently working, take a screenshot of your "Device Information" page now . If you ever brick it, that screenshot is your only map to finding the correct firmware to revive it.

: The firmware supports Auto-update functionality, allowing the router to detect and install the latest security patches during idle time.

: Navigate to More Functions > Manage Updates to view the current version or toggle Auto-update . Updating the Original Firmware

E5172s-22_UPDATE_21.333.01.00.00.bin

: Generic firmware lacks carrier bloatware and may include the latest security patches directly from the Huawei Support 3. The Update and Flashing Process There are two primary ways to manage firmware on the E5172: A. Standard Web Interface Update