– Huawei provides firmware for some CPEs via consumer.huawei.com . Search for “B880” in the download section. You may need to register an account.
If the router cannot connect to the update server (common if the device is unlocked or EOL), you must manually flash the firmware. huawei b880-70v firmware update
If your router's firmware includes built-in cloud updating capabilities, follow these steps: Log into the web management page. Go to > Update . – Huawei provides firmware for some CPEs via consumer
I can then provide specific file names or targeted setup instructions for your carrier. Share public link huawei b880-70v firmware update
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For enthusiasts, some versions of this router might allow a manual flash: