I just bought M9 Plus and facing the same issue. Can anyone help? I tried resetting SSID multiple times, updated password to avoid any special characters, Removed and added new SSID but nothing is...

@Kevin_Z Hello Kevin, I am facing similar issue. Is there any way you can help me with this? Re: [TPLINK SUPPORT #460056]: Deco M9 Plus(3-Pack) Invalid Password Issue