How to factory reset TP-LINK TL-WR842ND v1.x router – Default Login & Password

The TP-LINK TL-WR842ND v1.x router has 300mbps WiFi, 4 100mbps ETH-ports and 0 USB-ports.
It is also known as the TP-LINK 300Mbps Multi-Function Wireless N Router.
How to factory reset TP-LINK TL-WR842ND v1.x - Default Login & Password

TP-LINK TL-WR842ND v1.x default Password , Login & Gateway settings :

If you have performed a reset of your TL-WR842ND v1.x device or not changed the defaults, you
should
be able to access it with the following settings
Default username: admin
Default password: admin
Default subnet mask: 255.255.255.0

How to factory reset (hard reset) TP-LINK TL-WR842ND v1.x :

You can factory reset your TP-LINK TL-WR842ND v1.x in the following way(s)
Through the 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.
With 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.

TP-LINK TL-WR842ND v1.x router specifications :

System specs
CPU: 400 MHz
RAM: 32 MiB
Flash: 8 MiB
Custom firmwares: OpenWrt
Connectivity
WiFi: 300mbps (bgn)
WiFi bands
2.4GHz
WiFi throughput: n/a
WAN
1 x 100mbps port
ETH
4 x 100mbps ports
USB-ports: 0