@rakib2806 Do you remember the firmware version of the factory firmware? Can I also know where are you based? You can check if you can downgrade to the previous version by downloading the firmware...

@IEI2AV Is the model Archer C1200 or Archer C6, or other models? You can find it on the router bottom sticker as follows: https://www.tp-link.com/support/faq/46/ What is the brand and capacity of the...

@deepbluesy Refer to this article we updated below to do basic troubleshooting first: [Troubleshooting] Router Disconnects from Internet

@eone8 Thank you very much for sharing the solution with the community. It's suggested to edit the title of the thread to be like [Solution] AX11000 router cannot connect to Singtel broadband, which...

@Notok You can find the beta firmware here: https://community.tp-link.com/en/home/forum/topic/241534 Please verify and install the correct firmware on your MR400 as per its hardware version.

@dpkrwt Thank you very much for all the details. The tech support engineer was made aware of this issue, they will likely to contact you via email to check this out, please check your email and...