d-link dwm 157 B1 - mbim

[Thomas Schäfer]

Hi,

I have some problems with this modem.

But step by step.

First of all, I don't know if it works this way at all, because windows (xp) 
doesn't use the mbim-mode. The device is there, but the dialer from d-link 
uses only  the serial port.

The first problem is the initialisation. Despite usb_modeswitch seems to 
produce the same device ID as the windows driver does, it doesn't work this 
way.

"SIM" missing.

To identify this problem I attached:
dmesg.txt.xz
mbimcli.txt.xz
mmcli-m-0.txt.xz
mm-log.txt.xz

The SIM is inside and working (under windows).

Using a dualboot notebook avoids the sim problem by booting windows before.

Then mm recognizes the modem and is able to make a connection.

Here is the second problem. The connection is completely unusable.

mm-log-after-win.txt.xz

Maybe somebody has ideas.

It is not urgent. The device is quite old and 2G/3G-only. Maybe it is part of 
a class of problems :-)

Regards
Thomas

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