@saurav.suman01 May I know what are the devices connected to the 2.4G network? How about the 5G network and wired connection on the C60, are they stable? How about the internet LED on the C60 when...

@Tariq.Seraz Do you mean the LTE connection is not stable on the MR200? If so, check this article to confirm details: https://community.tp-link.com/en/home/forum/topic/265474

@ameer01 Please kindly help verify the info we confirmed before, such as your ISP name, the WAN connection type on the C6, the C6 current firmware version, etc. We will try to provide a solution,...

@Big_Al Hi, we would like to follow it up via email, please check your email box and confirm.

@cayc When the Smart Connect is off, are you able to connect to the 2.4G or 5G network? Please check if you can still get a valid IP address from the router, try to do a ping test if the devices can...

@Yafi That's great to know that the issue was resolved by disabling IPv6 and SIP firewall on the router, we will certainly report this to the support engineers, and they will investigate. Do let me...