How to factory reset Sercomm RV6699 router – Default Login & Password

The SerComm, Rostelecom, MGTS Sercomm RV6699 router has No WiFi, None ETH-ports and 0 USB-ports.
How to factory reset Sercomm RV6699 - Default Login & Password

Sercomm RV6699 default Password , Login & Gateway settings :

If you have performed a reset of your Sercomm RV6699 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) Sercomm RV6699 :

You can factory reset your SerComm, Rostelecom, MGTS Sercomm RV6699 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

Sercomm RV6699 router specifications :

System specs
CPU: n/a
RAM: 128 MiB
Flash: n/a
Custom firmwares: None
Connectivity
WiFi: No (None)
WiFi bands
n/a
WiFi throughput: n/a
WAN
None
ETH
None
USB-ports: 0