@Ayush_Bisht The Archer C6 doesn't support the bandwidth control, it only supports QoS. You may refer to the below article for more details: https://community.tp-link.com/en/home/stories/detail/247...

@Radu71 Hi, sorry to tell you that we can provide an English service for global users now. You are suggested to contact the local tech support to get some suggestions....

@DiegoV Can I have the model number of the main router that you are connecting to with this C80? Please show us the WDS status on the C80, ensure you can get a correct IP address assigned by the main...

@Jah_Ith_Ber Have you reserved the 192.168.0.12 IP address to the TV box on the C6? To locate this issue and try to fix it, we would like to follow up on your case via email. Please check your inbox...

@Arpi Check if you can make it alive by TFTP firmware recovery: https://community.tp-link.com/en/home/stories/detail/582

@sakchaij I have sent you a PM, please check and confirm if the issue is resolved.