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

[Gopakumar Choorakkot Edakkunni]

Also when I plug in the 341U "IPT2" and check for /dev/ttyUSB<n>
interfaces, I dont see any !

Rgds,
Gopa.

On Mon, Jun 8, 2015 at 3:05 PM, Gopakumar Choorakkot Edakkunni
<gopakumar.c.e at gmail.com> wrote:
> 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 !
>
> Rgds,
> Gopa.