@martu Hi, Thanks for your valued reply, glad to hear that it was resolved. If need more help in the future, do not hesitate to contact us. Have a nice day.

@Commodore Hello, Could you please tell me whether your wifi network name is the same as your router or different？ Please change a different wall socket to plug this range extender (not these 2 wall...

@martu Hello, If you didn't change the wifi network name OR click on copy router's SSID when you set up it, it may be the same with your main router. You can remove the range extender to another...

@SergioG Hello, The TL-WA850RE can work with the Deco E4. Please note that the coverage of the range extender is 10-15 meters. You can refer to this link to choose the best place for the range...

@MC515 Hello, If you have 2 RE220, you need to set up one of RE220 first, after the configuration of the first one, you can unplug it, then set up the second RE220. You can create a different network...

@lawlsh Hello, Here is a FAQ you can refer to know why the password is incorrect if you use the WPS to set up the range extender: https://www.tp-link.com/en/support/faq/765/ In this case, we suggest...