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
Here is everything you need to know about finding the right software for your C1AA and how to keep it running smoothly. Does a Direct Download Link Exist? elife connect c1aa firmware update link
Fixing "ghost" disconnections on the 5GHz band. There is generally no public repository or "link"
Unlike retail routers from brands like ASUS or TP-Link, the is a carrier-specific device. the is a carrier-specific device.