Firmware versions frequently change. As of early 2026, versions like 21.335.xx.xx.xx or higher are common. Always look for the latest, stable de-branded firmware from reputable sources, according to this YouTube video . Can I update the firmware over Wi-Fi?
Boost Your Signal: The Ultimate Guide to the Huawei E8372h-155 Firmware Update huawei e8372h-155 firmware update