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[gigabit]

Hello, I upgraded to the 940mbps connection. Videotron replaced my modem with the Technicolor TC4400-AM.

According to: https://www.router-reset.com/reset-manuals/Technicolor/TC4400

The default username and password should be admin/password. I have done the 30/30/30 reset, and I still cannot login to the modem. Has Videotron locked down the modem? How can I login?

[Kira · Accepted solution]

You can only login to the routeur with the username "admin" and  a blank password.

Acces to the modem is not possible. 

[gigabit]

Okay so the answer is that Videotron has locked down the modem. A quick google of the TC4400 shows that most (US) ISPs haven't locked down the modem and allow their users access by reseting and logging in via 192.168.100.1. Well that's disappointing, but at least I know that's why the 30/30/30 reseting doesn't work.

[Morgano4u]

user/password works for me