Can I use 3G usb modem card?

[GoogleCodeExporter]

I use Koppel's firmware, WL500gp-1.9.2.7-10-USB-1.71.trx, on my WL-500GP.
There is a function named "USB connection."
After I changed the firmware to "WL500gp-1.9.2.7-d-r381.trx," there is no
"USB connection" setting in the web UI.
But the "WAN interface" still shows "USB connection," see
http://digiland.tw/uploads/1730_aea3.jpg.
However, my 3G card, E220, doesn't work.
Would you please teach me how to make it work?
Thanks a lot!

Original issue reported on code.google.com by d907...@gmail.com on 7 Jul 2009 at 2:13

[GoogleCodeExporter]

You forgot to perform reset to default after FW change. There is no GUI support 
for
3G modems in our firmware yet. Only custom scripts are exists, see wl500g.info 
forum
for details.

Original comment by lly.dev on 7 Jul 2009 at 6:29

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