@kacper2007 Compare the ""whats my ip" and then entering that IP address" with your C6 WAN IP address: If they are different then you're behind double NAT or CG-NAT and that's the reason this is not...

@Mayuresh Yes, that's what WDS does - https://www.tp-link.com/support/faq/227/ - converts C50 into a wireless repeater. Open this link and follow the guide - in your case your ZTE is your "root...

@Mayuresh I replied to your question in your other thread. This is not posssible. HW v4 and HW v6 are different hardware versions of C50 - they can't be changed or upgraded.

@PriyaKB It doesn't seem that BE900 support Client mode - only "router mode" and "acces point mode". Here you can browse its WebGUI sumulator.

@ydna That seems to be correct - here's the user guide of AX21 HW v4.6 - there's only a VPN Server feature described in there.

@Mayuresh If you've followed the guide I posted, you should be able to configure the WDS feature unless in case of the disclaimer: " WDS may be incompatible between different products (even...