How to hard reset Archer C1200 v3.x router – Default Login & Password

The TP-LINK Archer C1200 v3.x router has Gigabit WiFi, 4 Gigabit ETH-ports and 0 USB-ports.
It is also known as the TP-LINK AC1200 Wireless Dual Band Gigabit Router.
How to hard reset Archer C1200 v3.x - Default Login & Password

How to hard reset (factory reset) Archer C1200 v3.x :

You can hard reset your Archer C1200 v3.x 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 C1200 v3.x default Login & Password, factory settings :

Default Gateway IP: 192.168.0.1
Default subnet mask: 255.255.255.0
Default DNS server: 192.168.0.1

Archer C1200 v3.x router specifications :

System specs
CPU: n/a
RAM: 128 MiB
Flash: 16 MiB
Custom firmwares: None
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: n/a
WAN
1 x Gigabit port
ETH
4 x Gigabit ports
USB-ports: 0

How to hard reset TP-Link WiFi router