Are you trying to the device or fix a broken/bricked router?
Connect the router to a stable power outlet. Power loss during a firmware write will corrupt the flash memory chip. huawei e5172 firmware original
Initially, the original firmware was often customized by specific telecom providers (like STC or MegaFon), which included carrier-specific branding and restricted the device to their respective SIM cards. The "Original Huawei" or "Universal" firmware became highly sought after by users because it provided: Are you trying to the device or fix a broken/bricked router
is typically managed through the device's web interface or official support channels: Web Management Page huawei e5172 firmware original