Huawei e177u-1 firmware update: What you need to know before upgrading

This post provides Huawei E177 Update 11.126.25.00.221 B427 (Zain Sudan Unlocker Free), which can be downloaded from the link provided at the end of the post. Once downloaded, extract in a folder using unzip software, and process as mentioned in the respective post. Wrong firmware/software change of a Huawei / ZTE modem/router may dead your device permanently. While running the Huawei firmware update, it will prompt for firmware/flash code as a password. You can generate the firmware code from the universal master code tool.

Huawei e177u-1 firmware update

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