@DonnyDave Sorry for the trouble caused, we will do some troubleshooting and try to fix it. Please tell us the current network diagram, how do you connect them together? What is the light status of...

@elephant When the Android devices connected to the network but no internet, please check the IP and gateway obtained by them; At that time, try to ping the gateway of the main router, which is...

@Tesla59 Try to refer to the instruction mentioned on this article to do that. https://community.tp-link.com/en/home/stories/detail/582 Good day.

@BackTrack5R3 Sorry for the trouble caused, but we do care about every user and would try our best to help every customer. Back to your case, the DOS protection is optional, you can turn it on...

@David.1983 This router seems faulty. Anyway, we can do some troubleshooting first, but I have to say, if we cannot fix it, there will be not much we can do; and installing the 3rd party firmware is...

@Tom942 Hello, sorry to tell you that there is no option to download the call log, while you can take a screenshot and store it locally. May it help and have a good day.