How to factory reset Linksys WRT1200AC router – Default Login & Password

The Linksys WRT1200AC router has Gigabit WiFi, 4 Gigabit ETH-ports and 0 USB-ports.
It is also known as the Linksys AC1200 Dual-Band Smart Wi-Fi Wireless Router – Caiman. It also supports custom firmwares like: dd-wrt, OpenWrt
How to factory reset Linksys WRT1200AC - Default Login & Password

Linksys WRT1200AC default Password , Login & Gateway settings :

If you have performed a reset of your WRT1200AC device or not changed the defaults, you
should
be able to access it with the following settings
Default subnet mask: 255.255.255.0

How to factory reset (hard reset) Linksys WRT1200AC :

You can factory reset your Linksys WRT1200AC in the following way(s)
Through the web interface
Open your browser and navigate to the router interface (see default settings below)
Under the Administration tab you will find a sub-tab called Factory defaults
On the Factory defaults page click the button labeled Restore Factory Defaults
With the reset button
Have your unit powered on
Press and hold the reset button for at least 10 seconds until the power light starts blinking, then release.
When the power light goes solid, unplug the power to the router for 10 seconds
Plug the power back in and start the router
When the power light goes solid again the router is ready to use.

Linksys WRT1200AC router specifications :

System specs
CPU: 1.33 GHz
RAM: 512 MiB
Flash: 128 MiB
Custom firmwares: dd-wrt, OpenWrt
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
WRT1200AC Firmwares
Staying up to date with the latest firmware is a good idea to keep your router even more
secure
from various security flaws.
If you want to squeeze a little bit of extra functionality out of your router, consider
flashing
an open-source firmware like dd-wrt, openWRT or LEDE. Flashing a custom ROM can greatly
increase
the stability and functionality of your old router.
Following are the firmwares that we have identified existing for the Linksys WRT1200AC
Flashing dd-wrt on the Linksys WRT1200AC
Since the WRT1200AC has 128 MiB of flash memory, you should be able to
run
dd-wrt with full functionality without having to worry too much about which firmware
to
use.
We haven’t find any specific instructions for flashin dd-wrt onto the Linksys
WRT1200AC, but you can read the
Installation guide over at dd-wrt to get a clue on how to proceed (As this model is listed as
supported).
Note: Always make sure to read the wiki and howtos of dd-wrt before doing any
flashing.
Flashing OpenWrt on the Linksys WRT1200AC
The Linksys WRT1200AC is supported by OpenWrt according to their Table of
Hardware. So
flashing OpenWrt onto it should be quite straigthforward.
We couldn’t find any specific instructions for flashin OpenWrt on the Linksys
WRT1200AC, but since it’s listed in their Table of Hardware as supported, you can
head
over to the
OpenWrt install instructions and read on there.
Note: Flashing custom firmwares is always on you’re on own risk. Make sure to
read OpenWrt’s wikis to understand the risks and how to proceed if something goes
wrong.
Linksys stock firmware for the WRT1200AC
Stock firmwares for the WRT1200AC are available under the download section on the
modem’s
support page. You can also refer
to the router’s manual for instructions on how to upgrade the firmware.