: The indicator lights will go out and then light up again once the reset is complete (usually within 1–2 minutes). Advanced Support

Yes. And that is intentional. The broken firmware corrupts the config structure. You must perform a clean install without preserving settings.

For the purpose of this article, we will cover both approaches.

Due to DMCA restrictions on redistributing proprietary firmware, we cannot host the file. Search your router manufacturer’s support site for "JWR758AC V2.2.1". On Wavlink’s site, it is listed under "WL-WN575A2 – Legacy Firmware."

Since this model number isn't common, please drop a comment with the brand and type of device (e.g., is this a router, a security NVR, or a power station?). If you have a different fix that worked, let us know! How to verify your specific device:

While the JWWR758AC is not a mainstream consumer device found at local electronics stores, it plays a vital role in specific technical sectors. Generally associated with or specialized wireless communication adapters , this hardware is often integrated into larger systems for data transmission, IoT (Internet of Things) gateways, or industrial control interfaces.

Go to Advanced Settings > System Tools > Firmware Upgrade .