If the automatic check fails or you are using a device provided by an ISP that has disabled remote updates, you may need to download the file manually.
While updating firmware is essential, some common issues may arise:
: Change your default SSID (network name) and admin password immediately after a firmware reset or update. Re: 5G Broadband dropouts - Page 2 - Three Community - 6687
:
Look for "Firmware Version" or "Software Version." Note this number down. Where to Download ZTE Router Firmware