@MrJJ The FW version you mentioned is a beta release. Here's the latest official (EU) FW release for Archer C6 v2 - v1.3.7 Build 20220613 Aside from that, there are two options: 1. Your router died -...

@dresoccer4 That's just my assumption, but yes, usually you could choose the channel exact width. This device supports TP-Link Cloud Service, so you'll know when a new FW has been released, either by...

@dresoccer4 Well, I see that it's the first FW release for this model - it's quite a new device. Usually when Smart Connect feature is enabled, you can't choose a wireless channel or a channel width....

@dresoccer4 Try deselecting Smart Connect Feature and then set the channel width to a particular value. When Smart Connect feature is active, you can't select a particular channel width:

@Errefae Here's an explanation what bandwidth based balance is. Primary and backup interfaces are selected because there's a showcase, in which you prefer only the primary to be activve (if the...

@lesm Tips: • If you use USB hubs, make sure no more than 4 devices are connected to the modem router. • If the USB storage device requires using bundled external power, make sure the external power...