strange status

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Lukas Kuzmiak lukash at backstep.net
Sat Nov 25 04:28:24 UTC 2017


Hi Thomas,

remote SIM environment as in OTA? Selecting an AID remotely might not make
sense, that's what TARs are for .. but not sure what you're trying to
achieve and what context do you send the SELECT in..

Lukas

On Fri, Nov 24, 2017 at 6:53 PM, Thomas Chen <tchen at on-go.com> wrote:

>
> i am seeing some strnge stuff with SIMTRACE ..
> when i have a modem communicating with SIM, and simtrace in sniffer mode
> i see a command
> 0x00 0xa4 0x04 0x04 0x10 + data (0xa0 0x00 0x00 0x00 0x87 0x10 0x02 0xff
> 0xff 0xff 0xff 0x89 0x06 0x19 0x00 0x00)
> and got response + status  (0x61, 0x44)
>
> but in remote SIM environment.
> this SIM card return
> 0x69 0x99
>
> do you know what that mean ???  i dont know whether it is timing or
> something else ?
>
> all previous commands seem to work just fine
>
> thanks
>
>
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