How to factory reset AirTies Air 4921 router – Default Login & Password

The AirTies Air 4921 router has Gigabit WiFi, 2 N/A ETH-ports and 0 USB-ports.
How to factory reset AirTies Air 4921 - Default Login & Password

AirTies Air 4921 default Password , Login & Gateway settings :

If you have performed a reset of your Air 4921 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) AirTies Air 4921 :

You can factory reset your AirTies Air 4921 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

AirTies Air 4921 router specifications :

System specs
CPU: n/a
RAM: 128 MiB
Flash: 128 MiB
Custom firmwares: None
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: n/a
WAN
None
ETH
2 x N/A ports
USB-ports: 0