Download Firmware Huawei E5372 21.236.03.00.58 (Optimus Portugal)

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This post provides Firmware Huawei E5372 21.236.03.00.58 (Optimus Portugal), 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 dead your device permanently. While running the Huawei firmware update, it will prompt for firmware/flash code as the password. You can generate the firmware code from universal master code tool.

Huawei E5372 LTE Cat4 Mobile WiFi Hotspot
Huawei E5372 LTE Cat4 Mobile WiFi Hotspot

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.

 

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