@AlBalushi_K Hi, Please refer to the following suggestions: 1. swap the location of the 2nd Deco and 3rd Deco to see if it is always the same Deco that lost the connection a lot? 2. Would plugging...

@Szymaniak Hi, thanks for your feedback. Did you experience any issues when using the Deco network, like unstable connection when CPU is overloaded? How about other details when the CPE reached 100%:...

@Splicing Hi, it is caused by the old firmware 1.2.11. Currently, the latest firmware for Deco M9 plus is 1.5.1; https://static.tp-link.com/2021/202102/20210220/Deco_M9_Plus_V2_1.5.1_210126.zip Deco...

@Sphynx21 Hi, you could refer to the following suggestions: 1. connect one unit to the BT home hub via Ethernet cable as the master unit; 2. then set up the whole unit on the Deco APP under wireless...

@RichLatho Hi, the previous firmware has fixed this issue already and there should be no such warnings on the firmware 1.5.1; if you still have this issue, please help me check the following...

@depe_arg Hi, the Deco E4 is already on the latest firmware 1.4.3 . And currently, it is only supported band1(channel 36-48 or 5150 – 5250 MHz), not the rest of them; Is there any specific reason...