@ArielSchivo You can give it a go to downgrade the firmware to the previous, download the previous version from the website, unzip it, then upload it into the router:...

@hard May I know who is your ISP? What kind of connection type you are choosing on the C6? What if you connect the ISP modem to the computer directly, will you get a stable connection? Only when you...

@CK.K How many LAN ports on the ISP provided modem? You can check if there is any difference with those ports. We do receive some feedback that there are different types of LAN ports on the modem,...

@DavidZzRo You can check the firmware release note, generally, if there is no word mentioning the new firmware will reset the router config or cannot be downgraded to the previous, then it should be...

@jroy How did this get restarted, by powering off the router then powering it on? Can you confirm if the firmware of the A5 is the latest? You can update the router firmware by downloading the latest...

@Guy01 That's interesting. Is the WPS still active on the router web GUI? You can check it on the Advanced > Wireless > WPS, try to disable it if it still shows active, then reboot both the router...