Deco P9 v1.x
AC1200 + AV1000 Whole Home Powerline Mesh Wi-Fi System

Thumbnail for the TP-LINK Deco P9 v1.x router with Gigabit WiFi, 1 N/A ETH-ports and
0 USB-ports

The TP-LINK Deco P9 v1.x router has Gigabit WiFi, 1 N/A ETH-ports and 0 USB-ports. It has a total combined WiFi throughput of 1200 Mpbs.
It is also known as the TP-LINK AC1200 + AV1000 Whole Home Powerline Mesh Wi-Fi System.

Quick links:
Default password/Login
User Manuals

Deco P9 v1.x router specifications (specs)

System specs
CPU: 750 MHz
RAM: 128 MiB
Flash: n/a
Custom firmwares: None

Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands: 2.4GHz & 5GHz
WiFi throughput: 1200 Mpbs
WAN: 1 x N/A port
ETH: 1 x N/A port
USB-ports: 0

Hard reset instructions for TP-LINK Deco P9 v1.x

If your Deco P9 v1.x router is not working as it should, dropping connections or not being responsive, you should first do a reset of the router to see if the problems persist. Other scenarios where you might want to reset your router is if you've forgotten the password or misconfigured it and can't get access anymore.
Your can reset your TP-LINK Deco P9 v1.x in the following way(s):

Through the web interface

Open a browser and navigate to the web interface of the router (check default settings below)
In the menu look for System tools and under there find the Factory defaults option
On the Factory defaults page click on the Restore button to perform the reset.

Withe the RESET/WPS button

Have the unit powered on
Press and hold the reset (sometimes reset/WPS) button for 10 seconds with a paperclip or other sharp object.
When the SYS led start blinking quickly release the reset button and wait for router to boot back up.

The 30-30-30 reset

If the above instructions don't work you can always try the 30-30-30 reset as follows:

When router is powered on, press the reset button and hold for 30 seconds. (Use a paper clip or something sharp)
While holding the reset button pressed, unplug the power of the router and hold the reset button for 30 seconds
While still holding the reset button down, turn on the power to the unit again and hold for another 30 seconds.

This process usually works for resetting any router to it's factory setting.

Note: It is worth reading more about how to reset routers with the 30 30 30 reset and what the risks and considerations are when resetting your router this way, instead of just rebooting it.

Default factory settings for TP-LINK Deco P9 v1.x

If you have performed a reset of your Deco P9 v1.x device or not changed the defaults, you should be able to access it with the following settings:

Default Network name (SSID): Deco XYXYXYX
Default subnet mask: 255.255.255.0

Note: If you are using the default settings you should change them to increase security and prevent unathorized access to your network.