If you're having trouble downloading the firmware from the Huawei website, you can use the Huawei Update Tool. Here's how:

If the official tools fail, you can look for firmware on community-driven databases.

With a deep breath, he extracted the files into a folder named “RESCUE.” Inside were three things: a PDF titled “READ_ME_OR_BRICK.txt” (which was, in fact, empty), a folder named “dload,” and a lone executable file called “Huawei_Flasher_Tool.exe.”