@Ivaylo In the 2nd screenshot, using the same cable I got > 100mbps without the router. Why should there be any issue with the cable ? Please clarify.

@Ivaylo Please take a look into the 2 screen-shots, 1 for the basic settings you asked. The other one is to know what the speed ISP is providing when connected directly to my laptop without the...

@Ivaylo Here are the settings - please let me know if you need more information. ---------------------------------------------------------------------------

@Ivaylo Just finished hard reset and tested again keeping all defaults as they are. Not even changed the SSID or password. Still not resolved. Pasted both default settings, speed test results. Please...

@Ivaylo I have not updated the router. In fact, it is not showing any updates - came with recent updated version. Do you still recommend the hard reset ?

@Ivaylo Thank you for your further response. I tried your recommended method... Didn't work. Please let me know how to unblock here.