This post provides Huawei E355s-1 TCPUB157D10SP04C51 21.157.10.04.51 Italy Wind 05010XSA, which can be downloaded from the link which is 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 permanently dead your device. 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.
Disclaimer: Administration of routerunlock shall not be liable if you unknowingly change your modem/router / MiFi firmware. Moreover, if you want any specific firmware related to Huawei dongle / Pocket MiFi, leave a comment; if it is available, it will be published. All the firmware publicly posted at routerunlock is free of cost, and there is no need to pay anyone.
