What is the default IP address for Zyxel USG FLEX 100?

The factory default IP address for Zyxel USG FLEX 100 is http://192.168.1.1.

What is the default username and password for Zyxel USG FLEX 100?

The default username is "admin" and the default password is "1234".

How do I factory reset the Zyxel USG FLEX 100?

Locate the small Reset pinhole on the back panel of the Zyxel USG FLEX 100. Press and hold it with a paperclip for 10-15 seconds while powered on until the LED lights cycle.

Zyxel SMB Router N/A (Wired Gateway) Next-Gen Unified Security Gateway

Zyxel USG FLEX 100

Small businesses needing unified threat management with Nebula cloud control

Open http://192.168.1.1 ↗

Illustration, not a product photo

Gateway IP

192.168.1.1

Factory Username

admin

Factory Password

1234

Technical specifications

USG FLEX Series

Manufacturer	Zyxel
Product Series	USG FLEX Series
Device Class / Category	SMB Router
Wireless Standard	N/A (Wired Gateway)
Speed Rating	Next-Gen Unified Security Gateway
Ethernet & Fiber Ports	1x 1G SFP WAN, 1x 1G RJ45 WAN, 4x 1G LAN/DMZ, 1x USB
Routing / Firewall Throughput	900 Mbps SPI / 360 Mbps Threat Protection
Default Gateway URL	http://192.168.1.1 ↗
Operating System / Firmware	ZLD OS / Nebula Cloud

How to log in to your Zyxel USG FLEX 100

1 Connect Your Device: Plug your PC into any LAN port on the Zyxel USG FLEX 100 using an Ethernet cable, or connect to the default Wi-Fi SSID printed on the router label.
2 Navigate to Gateway IP: Launch your web browser and enter http://192.168.1.1 into the address bar.
3 Enter Factory Credentials: Enter username "admin" and password "1234", then click Login.
4 Configure Security & Password: Follow the on-screen Quick Setup wizard to customize your Wi-Fi SSID, set WPA3/WPA2-AES encryption, and establish a new master administrator password.

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Frequently asked questions

What is the default login for Zyxel USG FLEX 100?

The default IP address is http://192.168.1.1, default username is "admin", and default password is "1234".

What ports and speeds does Zyxel USG FLEX 100 support?

The Zyxel USG FLEX 100 is equipped with 1x 1G SFP WAN, 1x 1G RJ45 WAN, 4x 1G LAN/DMZ, 1x USB with an overall speed rating of Next-Gen Unified Security Gateway.

How do I reset my Zyxel USG FLEX 100 to factory settings?

Press and hold the physical Reset button on the Zyxel USG FLEX 100 for 10 to 15 seconds until the power LED blinks, resetting all settings to factory default.