How to hard reset Archer A20 router – Default Login & Password

The TP-LINK Archer A20 router has Gigabit WiFi, 4 N/A ETH-ports and 0 USB-ports. It has a total combined WiFi throughput of 4000 Mpbs.
It is also known as the TP-LINK AC4000 MU-MIMO Tri-Band WiFi Router.
How to hard reset Archer A20 - Default Login & Password

How to hard reset (factory reset) Archer A20 :

You can hard reset your Archer A20 with ways bellow
Use web interface :
Open a browser and navigate to the web interface of the router (see 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.
Use 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.

Archer A20 default Login & Password, factory settings :

If you have performed a reset of your Archer A20 device or not changed the defaults, you
should
be able to access it with the following settings
Default subnet mask: 255.255.255.0

Archer A20 router specifications :

System specs
CPU: 1.8 GHz
RAM: 512 MiB
Flash: 128 MiB
Custom firmwares: None
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
n/a
WiFi throughput: 4000 Mpbs
WAN
1 x N/A port
ETH
4 x N/A ports
USB-ports: 0

How to hard reset TP-Link WiFi router