@Elkin Hello, sorry for the inconvenience caused here, if you haven't returned the router, we can do some troubleshooting and try to fix it. 1. What is the current network diagram? With computer...

@mohacs Hi, sorry for the trouble caused here; I found that you raised a support email, but there may have some misunderstanding regarding to the link speed. As you know, the wireless link speed of...

@yossarian_ With the hard drive plugged into the computer directly, can it work well as expected? Is it the first time you use the hard drive with the Archer C1200? Or it was working well earlier?...

@simontaylor As far as I know, we have not recieved such feedback yet. To enhance the security, first please setup a more complicated wireless password and login username and password for this...

@destawala With sim card inserted into the smart phone directly, does it work properly? Meanwhile, try to update the firmware to the latest one and hard reset the router to give it a shot....

@ArtemD May I know how often does this issue happen? What is the actual wifi speed you can get from the TL-WR840N? What about the wired speed? Are they normal compared with the bandwidth you paid for...