How to hard reset TP Link RE355 router – Default Login & Password

The TP-LINK RE355 router has Gigabit WiFi, 1 Gigabit ETH-ports and 0 USB-ports. It has a total combined WiFi throughput of 1200 Mpbs.
It is also known as the TP-LINK AC1200 Wi-Fi Range Extender.
How to hard reset RE355 - Default Login & Password

How to hard reset (factory reset) RE355 :

You can hard reset your RE355 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.

RE355 default Login & Password, factory settings :

If you have performed a reset of your RE355 device or not changed the defaults, you
should
be able to access it with the following settings
Default Network name (SSID): TP-LINK_Extender_2.4GHz,TP-LINK_Extender_5GHz
Default username: admin
Default password: admin
Default subnet mask: 255.255.255.0

RE355 router specifications :

System specs
CPU: 720 MHz
RAM: 128 MiB
Flash: 8 MiB
Custom firmwares: None
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: 1200 Mpbs
WAN
None
ETH
1 x Gigabit port
USB-ports: 0

How to hard reset TP-Link WiFi router