If you feel your router is lagging or the firmware is outdated, you can try to "force" a check through the interface: Go to the or System Management tab.
Fixing "ghost" disconnections on the 5GHz band. elife connect c1aa firmware update link
Improving how the router handles multiple devices (smartphones, TVs, and IoT). If you feel your router is lagging or
If the button is missing, it means your ISP has locked the update process to be fully automatic. Troubleshooting Update Issues elife connect c1aa firmware update link
There is generally no public repository or "link" where you can download a .bin or .img file for this specific model. This is a security measure to prevent users from bricking the device or installing incompatible third-party firmware. How to Check Your Current Firmware Version