This post provides Huawei E3272S Firmware (V200R002B491D09SP00C00, General) (Fix E3272s XSS security issue) 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 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.
Disclaimer: Administration of routerunlock shall not be liable if you unknowingly change the firmware of your modem/router / MiFi. Moreover, if you want any specific firmware related to Huawei dongle / Pocket MiFi, then 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.
