To change TP-LINK Deco M4 settings you need to open TP-LINK Deco M4 admin page. To do that you need to check what is TP-LINK Deco M4 IP address. You will also need TP-LINK Deco M4 password and default router login.
How to open TP-LINK Deco M4 admin page:
- The first thing you need to do is to connect to TP-LINK Deco M4.
- Next find router IP, you can check TP-LINK Deco M4 IP here.
- Then open a web browser and enter the router IP address in the address field.

- You will see TP-LINK Deco M4 login page.

- Enter TP-LINK Deco M4 factory login written on the sticker located at the bottom cover; and default router password written on the sticker located at the bottom cover
- Fantastic! You should see TP-LINK Deco M4 settings main page, where you can change customize TP-LINK Deco M4 Wi-Fi name and WiFi password.