I'm trying to equip some raspberries with Huawei E3131 sticks.
Therefore I ordered some E3131's from Amazon and expected to get 12d1:1f01 devices like the ones that I got before.
But the new ones that I got are a new 12d1:15ca variant.
So the command
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/usr/bin/sg_raw /dev/sr0 11 06 20 00 00 00 00 00 01 00
I understand that sg_raw just sends raw binary commands to a given device, but don't actually understand how to find out which message to send. All i know is I got this message from this discussion of the raspberry forums: http://www.raspberrypi.org/forums/viewtopic.php?t=18996
Please note: What I'm trying to do is set the device into HiLink mode, not modem mode. I want to access the device as a router through eth1, not via sakis3g or wvdial.
Can any of you guys help me with any of the following questions?
1. Does this device even have a HiLink mode like advertised and like the 12d1:1f01 has? On my mac, it installs "Mobile Partner" software and seems to run in modem mode.
2. How can I even find out the target id that I need to switch it to?
3. Can I switch to that mode using usb-modeswitch or do I need sg_raw?
4. How do you guys find out which message you have to send?
Thanks for helping out a very confused guy.
Oh, and Merry Christmas!