@Yohome Hi, have you tried to manually upload the firmware 1.5.0 first, then to the 1.5.1 later: https://static.tp-link.com/2021/202102/20210203/Deco_M9Plus_V2_1.5.0_201211.zip...

@Ian_Perkins Hi, except the advice of Alexandre, please also check the internet connection type on the Deco to see whether it matches with the Virgin Hub; Sometimes, the Virgin modem router might use...

@Sozkaynak Hi, in this way, every time you try to connect one satellite Deco via Ethernet cable to the main Deco, the whole Deco system would turn red and lose internet connection? --PS: just in case...

@RQW Thank you very much for your time and patience. I would forward your case to the senior engineers for more help. At the same time, could you please help me check the following information: 1....

@DraftmanCorp Hi, please try to update the following firmware to see whether it helped or not: https://static.tp-link.com/beta/2021/202101/20210118/Deco_P9_1.1.3_20210115_debug.zip How to update the...

@Retrography Thank you very much for your kind reply. Could you please provide me a picture of your network map and please also mark out which Deco the NAS is connected to? Did you access the NAS...