@Network_Addict @WalterX Thanks a lot for your support. The launch time varies due to different countries/districts, you can contact our sales department to get a more specific answer....

@backloop Thanks for your valued reply, sorry to hear that it does not work. To solve your problem quickly, you can contact the retailer or the local tech support to get a replacement first. And then...

@Raybeh31 Hello, you can change the wireless settings to give it a go, including wireless channel and channel width. You can use channel 1, 6 or 11 for 2.4GHz and 20MHz for it. May it help.

@fredou Hi Fred, the channel supported may varies due to its hardware/firmware version, as well as the country version of the product. You can tell me those information about your friend's product....

@CHR-VIE You can log into the web UI of the TL-WA860RE to get the current firmware version and hardware version. Then you can verify whether it is the latest one, if not, you can update the firmware....

@Wei_Hong0608 It seems that the local website does not upload the firmware. Below is the download link: https://www.tp-link.com/en/support/download/tl-wa855re/v4/#Firmware You can install it and take...