How to hard reset TP Link TL-WA850RE v1.x router – Default Login & Password

The TP-LINK TL-WA850RE v1.x router has 300mbps WiFi, 1 100mbps ETH-ports and 0 USB-ports.
It is also known as the TP-LINK 300Mbps Universal WiFi Range Extender.
How to hard reset TL-WA850RE v1.x - Default Login & Password

How to hard reset (factory reset) TL-WA850RE v1.x :

You can hard reset your TL-WA850RE v1.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.

TL-WA850RE v1.x default Login & Password, factory settings :

If you have performed a reset of your TL-WA850RE v1.x device or not changed the defaults, you
should
be able to access it with the following settings
Default Network name (SSID): TP-LINK_Extender_XXXXXX
Default username: admin
Default password: admin
Default subnet mask: 255.255.255.0

TL-WA850RE v1.x router specifications :

System specs
CPU: 500 MHz
RAM: 32 MiB
Flash: 4 MiB
Custom firmwares: OpenWrt
Connectivity
WiFi: 300mbps (bgn)
WiFi bands
2.4GHz
WiFi throughput: n/a
WAN
None
ETH
1 x 100mbps port
USB-ports: 0

How to hard reset TP-Link WiFi router