What is the default username and password for KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT)?

The default username is "ktuser" and the default password is "homehub".

How do I factory reset the KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT)?

Locate the small Reset pinhole on the back panel of the KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT). Press and hold it with a paperclip for 10-15 seconds while powered on until the LED lights cycle.

KT Olleh GiGA FTTH ONT N/A (Wired Gateway) 2.5-Gigabit Optical Network Terminal

KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT)

Q: What is the default IP address for KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT)?

The factory default IP address for KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT) is http://192.168.0.1.

KT 10 GiGA and 2.5 GiGA high-speed optical broadband customer premises equipment

Open http://192.168.0.1 ↗

Illustration, not a product photo

Gateway IP

192.168.0.1

Factory Username

ktuser

Factory Password

homehub

Technical specifications

KT GiGA Fiber Series

Manufacturer	KT Olleh GiGA
Product Series	KT GiGA Fiber Series
Device Class / Category	FTTH ONT
Wireless Standard	N/A (Wired Gateway)
Speed Rating	2.5-Gigabit Optical Network Terminal
Ethernet & Fiber Ports	1x SC/UPC Fiber Port, 1x 2.5GbE LAN, 3x GbE LAN
Routing / Firewall Throughput	Up to 2.5 Gbps Symmetrical Optical Routing
Default Gateway URL	http://192.168.0.1 ↗
Operating System / Firmware	KT Optical OS

How to log in to your KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT)

1 Connect Your Device: Plug your PC into any LAN port on the KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT) 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://192.168.0.1 into the address bar.
3 Enter Factory Credentials: Enter username "ktuser" and password "homehub", 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 KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT)?

The default IP address is http://192.168.0.1, default username is "ktuser", and default password is "homehub".

What ports and speeds does KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT) support?

The KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT) is equipped with 1x SC/UPC Fiber Port, 1x 2.5GbE LAN, 3x GbE LAN with an overall speed rating of 2.5-Gigabit Optical Network Terminal.

How do I reset my KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT) to factory settings?

Press and hold the physical Reset button on the KT Olleh GiGA KT GiGA Fiber 2.5G Optical Network Terminal (ONT) for 10 to 15 seconds until the power LED blinks, resetting all settings to factory default.