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1 Legalese and Disclaimers

Efficient will do nothing. In fact, they don't even acknowledge that this upgrade is possible. So don't bother emailing them about it!

Efficient is refusing to support anyone who is hacking their firmware. While the hardware in a "crippled" 5260 and is identical to the 5660, you can still mess up your firmware and/or modem. You are doing this at your own risk. I will claim that it is virtually guaranteed to work, but as with all flash BIOS if the power goes out or you pull the plug during a flash you are likely to render your modem unusable. SO DON'T TURN IT OFF OR UNPLUG IT WHEN YOU ARE FLASHING IT!!!

by MrCornell See Profile
last modified: 2002-09-20 21:54:14

If you have a "genuine" 5260 (part # 5260, 5262, or 5263) then you unfortunately do not qualify for this upgrade.

Efficient has discontinued the old 5660 and replaced it with the 5663, and then with the 5667. The 5262 is now the de-facto 5260 as well. There is also an "Extended Reach" 5262. Now there is also a 5263.

The hacks will NOT work on 5262, normal nor extended reach, nor will they work on a 5263. Note that you cannot buy a 5660 anymore at any place besides Ebay, nor can you buy a 5260, as both models ceased production some time ago.

Only certain part numbers have Telnet available. See the chart below for details on a few popular numbers.



by MrCornell See Profile edited by Doctor Olds See Profile
last modified: 2005-10-04 09:46:46

The short answer: because I don't want to get sued.

The place to find hacked firmwares is the wonderful Internet. Search Google for it, various people put up mirrors from time to time. There used to be a stable, continuously up mirror at the I-hacked site, but they removed the file from their server so new mirrors have appeared, and Efficient doesn't seem to care anymore. Not surprising since the Speedstream 5260 and 5660 have both been discontinued for more than a year now.

Try looking here first:

www.uk-bug.net/UpDownload-index-req-vi..

Look for "5260 to 5660 Update/Upgrade Files Kit" if that doesn't work try Google.com to search for the kit's file name 5260-5660Kit.zip or the actual file upgrade.img that is in the kit. Please do not ask in the Forum for Firmware.

by MrCornell See Profile edited by Doctor Olds See Profile
last modified: 2005-01-28 23:48:07