This article applies to: Deco M9 Plus V1/V2(mostly V2) Issue phenomenon: Deco M9 Plus starts to have flashing red issues after upgrading to 1.5.1 (or later) firmware. Certain satellite units will...

@Yellowball65 Hi, can I have the following screen-shots: 1.A picture of the advanced>operation mode; 2.When you open the operation mode, what is the current mode on this page; We had some tests...

@DCruz13 Could you please refer to the suggestions on this link: https://community.tp-link.com/en/home/forum/topic/200398 (Please start from step 2--blacklist) After that, if the same issue...

@Neuromancer Hi, Thanks for the detailed information. I would like to forward your case to the senior engineers and could you please help me get more details: Would any Deco turn red when the...

@Ahmad77 Hi, can I have a picture of the 'More' menu without the network optimization? Have you checked each of the Deco M9 plus is on the firmware 1.5.1? --Since I noticed one of the Deco M9 Plus is...

@Samsilv @BabyPanda Hi, sorry for the delay. Since many users echoed with the same issue but did not provide enough details, it was quite hard to finally locate the problem; If possible, could you...