How to factory reset Sonos Amp (S16) router – Default Login & Password

The Sonos Amp (S16) router has 300mbps WiFi, 2 N/A ETH-ports and 0 USB-ports.
How to factory reset Sonos Amp (S16) - Default Login & Password

Sonos Amp (S16) default Password , Login & Gateway settings :

If you have performed a reset of your Amp (S16) device or not changed the defaults, you
should
be able to access it with the following settings
Default subnet mask: 255.255.255.0

How to factory reset (hard reset) Sonos Amp (S16) :

You can factory reset your Sonos Amp (S16) 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

Sonos Amp (S16) router specifications :

System specs
CPU: n/a
RAM: n/a
Flash: n/a
Custom firmwares: None
Connectivity
WiFi: 300mbps (abgn)
WiFi bands
n/a
WiFi throughput: n/a
WAN
None
ETH
2 x N/A ports
USB-ports: 0