This post provides Huawei E5878s-32 Firmware Update 21.313.13.00.00 Free (Universal), 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 password. You can generate the firmware code from universal master code tool.

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


  1. e5878s 32 update didn’t work for my win10. Can you fix? installation stopped at 50%, couldn’t find the port. maybe I have some more win 10 updates to do. What do you think?

  2. can someone help me i tried to update using the update application it asks for password i run the universal master tool and used the flash code as password but it keeps telling me wrong password please help

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