@TreFgh The issue you are experiencing seems different as others on this post, we will discuss it on your own.

@TreFgh Hi, may I know who is your ISP? Do you have internet access when you connect a computer directly to the modem? Kindly show us the Status page on the A6 when it is connected to the modem and...

@tomyummmm Hi, if you don't want to install the 1.3.6 official firmware on your Archer C6, please check if this beta firmware will help with the issue you are experiencing, you can try to disable the...

@nieXas Is the Archer C9 working as a wireless router? If yes, try to change the internet DNS server to 8.8.8.8 and 8.8.4.4, then reboot the router and login to the Tether app to bind the device...

@Wandering_Dazed Thanks for getting back. Is your Archer C2300 v2 a US version or an EU version? Was there any error message when the firmware update failed? Kindly show us the screenshot.

@Nia Have you checked the System Time settings are correct on the Archer C60? If that is correct, please show us the Parental Control settings on your C60, we can then confirm, thanks.