If you are looking to perform this update yourself, here are the standard steps:
Download the official firmware file ( .bin or .tar format) to your computer. Log into the router admin page. Go to > System > Local Update . Click Browse and select your downloaded firmware file. Click Update to begin the process. What to Expect During the Update The update process takes roughly 3 to 5 minutes. During this window, notice the following behavior: The power light will flash continuously. Network connections will drop temporarily. The router will automatically reboot itself. huawei b880-70v firmware update
Ensure you downloaded the firmware meant for the B880-70V model. Using a different model's firmware will fail. If you are looking to perform this update
: Check your computer's network properties to find the new default gateway IP address. Please let me know if you would like to proceed with: Click Browse and select your downloaded firmware file
: Your Wi-Fi name, password, and broadband settings are typically saved and do not need to be reconfigured after the update.
: Open a web browser and enter 192.168.1.1 (or 192.168.8.1 depending on your provider) in the address bar. Log in : Enter your admin credentials. Navigate to Updates : Click on More Functions (usually in the top right corner).
If your service provider does not push over-the-air updates, you must download the firmware file (.bin format) from a verified source and upload it manually.