@JPK303 Which type of WAN port setting Sky fibre broadband router uses ? AX1500 supports these: Also there could be a MAC address protection implemented - in this case you need to clone the ISP...

@macmax1718 Try these wireless settings: Turn TWT on as well.

@George_L Yes, any further effort will be a waste of time.

@Oscyp Given the FW region and HW version match and you're running the upgrade procedure correctly contact the tech support to help you with this error.

@George_L From WR740N point of view - WDS Status: Run - means WDS is built successfuly. Don't know why's this behavoiur, but the only thing you can do is to reboot Archer C50 and after that WR740N...

@Oscyp Here's how to manually upgrade the FW of your device. You have to unzip the file before uploading it into the device.