@AB05 The TL-WA850RE is a single band extender, it supports 2.4GHz only. If you want to extend the 5GHz, you can buy a dual band wifi extender, like RE450, RE650.

@Jipe Try to hard reset the C2300 by holding the reset button/hole for 10s with it powered on. Then connect your computer or smart phone to it only and login to the web UI to change the LAN IP...

@MitoBsAs Glad to hear that it got fixed finally, thanks for your feedback and sharing. If need more help in the future, do not hesitate to contact us.

@Swizzer Try to change another NTP server on the Archer C60. Go to advanced-system tools-time settings to change it. Meanwhile, please ensure that the device time has been synchronized successfully,...

@maglione66 @SamDi Have done that. You can give it a go to downgrade the firmware. Any updates, just let us know.

@lachinelli Definitely sure, keep you eye on it and test its performance. Any further problem, just let us know.