Thanks @terziyski for the quick and valued suggestions. @MuraliBijjur Can we know the format of the HDD? If possible, try to reformat it to FAT32 or NTFS, then check again. BTW, please send us the...

@yadavpawan What's the hardware and firmware version of your Archer C9? Please show us the router bottom sticker, you can mask/cover the device MAC and SN for any security concerns. BTW, do you...

@Qausian Can't you enable the 5G network on the Archer C6? The router firmware seems quite old, please update the router firmware to the latest version first, then reset it to factory defaults,...

@MajkAdamko Same LTE dongle? The model is huawei E3372h-320? If that is the case, we will send you the beta firmware to confirm.

@JasonJJ Have you tried all the basic suggestions we provided here? If yes, please check the below and report back with the necessary information, then we can help further: 1. Who is your ISP? What's...

@GophalRaj When the Windows 10 laptop connects to the network of the WR841N, how about the LED status of the router? You can also login to the router web interface to confirm if there is still a WAN...