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ZTE F689 ONT (izzi México fibra) default password & login IP

The ZTE F689 ONT (izzi México fibra) default login is user / user at http://192.168.1.1.

For regaining access to a router you own or administer. If you didn't set it up, ask whoever did.
Login address
http://192.168.1.1
Gateway IP
192.168.1.1
Username
user
Password
user

izzi fibra ONT (fiber, not cable) — dual-band Wi-Fi, 4x LAN plus 2 phone ports; admin panel at 192.168.1.1, distinct from the 192.168.0.1 used by izzi's cable modems. izzi's official credentials page: "en el apartado Username, ingresa la palabra user (recuerda ingresarla en minúsculas)... En el apartado Password, ingresa la palabra user."

Factory reset

Press and hold the reset button for 30 seconds to restore the ONT to factory settings.

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Source: Ayuda izzi — Conoce tu usuario y contraseña de tu módem izziverified · updated 2026-08-24

FAQ

What is the default password for the ZTE F689 ONT (izzi México fibra)?
The ZTE F689 ONT (izzi México fibra) default login is user / user at http://192.168.1.1.
What is the default login IP for the ZTE F689 ONT (izzi México fibra)?
The ZTE F689 ONT (izzi México fibra) default login IP is 192.168.1.1 — open http://192.168.1.1 in a browser on the router's own network.
What is the default username for the ZTE F689 ONT (izzi México fibra)?
The ZTE F689 ONT (izzi México fibra) default admin username is user. The matching default password is user.
How do I factory-reset the ZTE F689 ONT (izzi México fibra)?
Press and hold the reset button for 30 seconds to restore the ONT to factory settings.

Verification history (1)

Every time we've checked this model's default credentials, oldest first — including when nothing changed. Absence of change over time is itself the evidence.

  1. 2026-08-24First verified· static
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