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Although the firmware and installation instructions for the 4100, are no longer available on the Siemens website, the Wayback Machine DOES have a copy of the information. It may take a while, but you'll eventually be able to download the firmware for the 4100 at:
And the 5100b at:
To see the instructions for the 4100, click:
For the instruction for the 5100b, click:
This version contains fixes for AOL for Broadband 9.0, DSL power-off enhancements, a fix for restoring the memory in the modem, multiple fixes to the statistics web page, enhancements to DHCP, and a security fix.
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