Once the lights indicate a successful transfer, click Stop in the tool, close it, and restart your router.

To the rest of the world, it was a piece of obsolete firmware utility for a decade-old Huawei router. To Elias, it was a skeleton key.

After the upgrade, you need to verify multicast works.

He looked out the window at the dark, disconnected town. On his desk, the B593s-22 sat glowing with a steady, alien violet light. The "upgrade tool" had done its job, but as Elias watched the data throughput numbers climb into impossible ranges, he realized he hadn't just fixed his internet.

Before diving into the multicast upgrade, let’s establish the baseline. The Huawei B593s22 is a Band 20 (800MHz) LTE router, popular in Europe, Asia, and the Middle East. It bridges the gap between a simple USB dongle and a full-fledged enterprise router.