How to factory reset Synology RT1900ac router – Default Login & Password

The Synology RT1900ac router has Gigabit WiFi, 4 N/A ETH-ports and 0 USB-ports.
It is also known as the Synology Synology RT1900ac Wireless Router.

Synology RT1900ac default Password , Login & Gateway settings :

Default Gateway IP: 192.168.1.1
Default username: admin
Default subnet mask: 255.255.255.0
Default DNS server: 192.168.1.1

How to factory reset (hard reset) Synology RT1900ac :

You can factory reset your Synology RT1900ac in the following way(s)
1. When the router is on, press the button reset and hold for 30 seconds.
2. While holding down the button reset, turn off the power of the router and hold down the button reset for 30 seconds
3. While holding down the button reset, turn on the power to the unit again and hold for another 30 seconds

Synology RT1900ac router specifications :

System specs
CPU: 1 GHz
RAM: 256 MiB
Flash: 4096 MiB + 1 MiB
Custom firmwares: OpenWrt
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: n/a
WAN
1 x N/A port
ETH
4 x N/A ports
USB-ports: 0