How to hard reset DSL-AC88U router – Default Login & Password

The ASUS DSL-AC88U router has Gigabit WiFi, 4 Gigabit ETH-ports and 0 USB-ports. It has a total combined WiFi throughput of 3100 Mpbs.
How to hard reset DSL-AC88U - Default Login & Password

How to hard reset (factory reset) DSL-AC88U :

You can hard reset your DSL-AC88U with ways bellow
Through the web-interface
Open your browser and navigate to the default gateway ip (see default settings below)
Sign in to the web-interface with the username and password you have selected, or try the defaulr username and password (see default settings below)
Under the advanced settings menu, select administration
Find the link ” Restore/Save/Upload Setting
Beside Factory default click on Restore
If prompted, click ok
With the reset button on the router
Locate the reset button on the backside of your unit
with a sharp object, e.g. a paperclip or pencil, press and hold the reset button for 5s or until the power led starts flashing

DSL-AC88U default Login & Password, factory settings :

If you have performed a reset of your DSL-AC88U device or not changed the defaults, you
should
be able to access it with the following settings
Default subnet mask: 255.255.255.0

DSL-AC88U router specifications :

System specs
CPU: 1 GHz
RAM: 512 MiB
Flash: 128 MiB
Custom firmwares: None
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
n/a
WiFi throughput: 3100 Mpbs
WAN
1 x Gigabit port
ETH
4 x Gigabit ports
USB-ports: 0