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Re: Huawei E1820

Steven Bellovin <> writes:

> On Nov 25, 2010, at 4:45 55PM, Geert Hendrickx wrote:
>> On Thu, Nov 25, 2010 at 09:26:44PM +0000, Antti Kantee wrote:
>>> The problem with these devices is usually trying to convince it to be a
>>> modem.  The basic recipe it to do a websearch for the command the modem
>>> requires and, if that's not available from the driver, add it.  I
>>> restructured the u3g driver in -current earlier this year to make it
>>> easier, but I can't remember if that stuff is in 5.1.
>>> Meanwhile, some webpage suggested this AT command to turn the device into
>>> a modem permanently.  Maybe you can try running it from OS X and see if
>>> it helps?
>>> AT+ZOPRT=5
>>> (of course it would still be nice to see the driver patched to handle
>>> this)
>> On Linux there's a tool called usb_modeswitch to switch it between umass
>> and umodem mode.
>> (the umass mode is exposed initially to install the proper drivers for
>> Windows and Mac.)
> Actually, there are some such devices that actually have a storage slot.
> I have a USB 727 Verizon modem that has a built-in SD card slot,
> for example, and you're free to use your own card if you wish.

Huawei E1550 is an example of it, I suspect that E1820 has it too.

Perhaps u3ginit_match should be taught what E1820 really is.


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