This post provides Firmware Update Huawei E173 & E303 Update B734 Universal, 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 E303FH WiFi Dongle
Huawei E303FH WiFi Dongle

Disclaimer: Administration of routerunlock shall not be liable if an unknowing change of your modem/router/MiFi firmware. Moreover, if you want any specific firmware related to Huawei dongle / Pocket MiFi, leave a comment; it will be published if it is available. All the firmware publicly posted at routerunlock is free of cost, and there is no need to pay anyone.



  1. Hello
    i have E173z-1 Modem of Egypt Mobinil
    if i try this firmware would it break the dongle or it would unlock it ?
    thank you

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