7004tlmv3 Password Reset [extra Quality] -

If the jumpers aren't working, a "deep discharge" sometimes forces a reset on certain V3 boards:

If the physical reset fails or you want to preserve your ISP configuration, you can attempt a password reset via command line—provided the device has Telnet enabled. 7004tlmv3 password reset

Because the factory reset erased your previous configurations, you will need to input your Internet Service Provider (ISP) settings to re-establish an internet connection. This may include: Static IP details, or setting the WAN port to DHCP/PPPoE. If the jumpers aren't working, a "deep discharge"

If none of the reset methods described above work for your specific 7004tlmv3 device, professional assistance may be required. If none of the reset methods described above

Password Reset Procedure – 7004tlmv3 Device

Unlike retail routers, these devices often have (Spectrum, Comcast, Ziggo, etc.). This means the default passwords listed on the label often do not work if the ISP has pushed a custom configuration file to the device.

Many ISPs (like Spectrum or Rogers) use a hidden administrative account that differs from the standard user account.