@BertDasPferd Hi, Yes, this should work. Configure one of the RE550 as range extender and connect it to the Wi-Fi of your router. (you can use the "Quick Setup" menu to make it easy) After that...

@Chandresh__1995 Hi, Did this start to happen all by itself or were you trying to do something, like update the firmware? Besides, this symptom can also be caused by a wrong or faulty power adapter....

@Fauzan007 If you can't recall the password of your Archer C6, then you need to reset the whole router to default settings by pressing the small recessed button labelled "RESET" that is located near...

@Fauzan007 Note that when dealing with Tether there are always two different passwords. One of them is the password of your TP-Link ID account that you need to enter after you've opened the Tether...

@Salih_HU Hi, The RE305 cannot build a Mesh network with the Deco 9, because the RE305 V4 supports OneMesh/EasyMesh, while the Deco 9 supports DecoMesh, which are not compatible. However, you can...

@Anthony_Thet Hi, Do you have the possibility to test your Archer T4U Plus on another computer? In case it doesn't work on another computer either, then it's probably faulty. 5 GHz Wi-Fi still works...