@Zebes Hello, are you located in Portugal? Can we have a picture of the device label of the Archer C6 you owned, is it a US version? You can mask the S/N and MAC address for any security concerns...

@TL-WR841N-V13 Nope, I don't think you can nor do we suggest you install the JP firmware on your WR841N(EU) version, as this should be restricted.

@Empire80 Hello, the IP address you want to reserve for a specific device must be in the IP Address Pool, you can't set one outside the pool. Go through this setup guide to configure it:...

@kruit-nootje Hello, you may follow this guide to do port forwarding on the router: https://www.tp-link.com/support/faq/1379/ (Case 2: For Archer AX10, Archer C7, Archer AX6000, Archer A9, etc.) If...

@Akhilesht Hello, please follow these troubleshooting suggestions to verify the issue and see if it will help: [Troubleshooting] Router Disconnects from Internet

@MrArcher4000 Hello, please verify if it is the C4000 losing connection from the BT fibre or the wireless client devices losing connection from C4000. If it is the former, please follow the guide to...