: Turn the router off and back on (if it wasn't already on).

: A direct Ethernet cable connecting your PC to the router's LAN port (LAN1–LAN3 is recommended for some models).

: A valid firmware file in .bin or .img format (e.g., B593s-22_UPDATE_11.xxx.BIN ).

: Right-click the .exe file and select Run as Administrator .

: Some "Multicast Upgrade Tool" versions are packaged specifically for models like the B593s-22. These are often shared in technical forums or documentation archives like Scribd or Huawei Forums . Prerequisites for the Upgrade Before running the tool, ensure you have the following:

: The router's lights (often the Power and Signal/Loss lights) will blink as it receives data. Once the process completes (usually after ~5 minutes), the indicator lights will stabilize or change color.

: On some older models, you may need to force your network card to 10Mbps Full Duplex via the "Change Adapter Settings" menu in Windows. Step-by-Step Upgrade Guide

: Use the Refresh button and choose the network adapter currently connected to your router.

: Using incorrect firmware or losing power during the process can "brick" the device. Always verify the Product Version matches your hardware before clicking Start.

The is a critical utility for network administrators and home users who need to update firmware on Huawei routers and CPE devices (like the B593, B315, or E5186) when the standard web interface is inaccessible or for bulk upgrades. Where to Download the Multicast Upgrade Tool