Once logged in, click on the tab in the top navigation menu.
Click and select the .bin firmware file you downloaded. The tool will verify compatibility – if it shows “Device ID mismatch,” STOP; you have the wrong firmware. download huawei e5172 firmware upgrade tool
Right-click HuaweiFirmwareUpgrade.exe > . Once logged in, click on the tab in the top navigation menu
for safety (verify after download):