Difference between 341U (1199:9055) and 341U "IPT2" (1199:9057) ?

[Gopakumar Choorakkot Edakkunni]

Thanks for the reply David. Do you happen to remember approx when your
mail to the list was about the 341u ? I went as far as Jan 2014, the
only mail I saw with a patch was regarding 340u
(http://lists.freedesktop.org/archives/libqmi-devel/2014-April/000750.html)
..

Rgds,
Gopa.

On Mon, Jun 8, 2015 at 5:36 PM, David McCullough
<david.mccullough at accelecon.com> wrote:
>
> Gopakumar Choorakkot Edakkunni wrote the following:
>> System is an openwrt box with no modem manager etc..  The 1199:9055
>> modem works perfectly fine there - it creates a wwan0 interface, I run
>> udhcclient on it and I get an IP address and can reach out to internet
>> perfectly well.
>>
>> The 1199:9057 creates a wwan0 interface, I run udhcpc on it and I dont
>> get any IP address. Since the name says "IPT2" modem, I assumed that
>> it probably needs to connect to an APN and get a public IP address
>> etc.. So I tried the below, I tried changing the "broadband" to
>> "r.ispsn" and "cinet.spcs" based on some sprint + 341U forums, that
>> too doesnt help. The wwan0 just doesnt respond to a dhcp request.
>>
>> qmicli -d /dev/cdc-wdm0 --wds-start-network=broadband --client-no-release-cid
>>
>> The 1199:9057 also creates a usb0 interface which responds to dhcp
>> requests with a 192.168.x.x local ip address, but if I try to get to
>> internet through usb0, that fails too.
>>
>> Any suggestions here will be greatly appreciated ! I am hoping its
>> something very simple that I am missing since 1199:9055 works straight
>> out of the box and 1199:9057 doesnt !
>
> 9057 = pass through mode
>
> See my previous mail to the list for a patch (for and older kernel) that
> will get this running for you,
>
> Cheers,
> Davbidm
>
> --
> David McCullough,  davidm at spottygum.com,   Ph: 0410 560 763