@Paimun Hi, How to replace the main Deco with another Deco. When you change the main Deco, please make sure that your phone is connected to Deco WIFI and then begin the settings.

@ElPlay Hi, According to your description, that the Deco units are unstable. How often will the drop issue happen? Will all Deco units have the drop issue? Please provide us a more detailed...

Hi, Please also try different power socket and reset the device. If it still cannot help, please contact the local support team to check the warranty for you.

@mdsparky Besides, please also check the distance between the cameras and the nearest Deco unit. You can download a wifi analyzer to test the signal from the Deco at the camera's location. If the...

@awojj Thank you so much for taking the time to post the issue on the TP-Link community! May I confirm who is your ISP? For your case, please change your DNS settings to 8.8.8.8 and 8.8.4.4 and check...

@Ruth-Pimentel_2 Hi, The numbers on the Deco APP just show the real-time speed. If you want to check the real download speed on your end devices, you can check it on speedtest.net. For your phone and...