Hi Thiago,

>> The problem with the failed cases it that oFono / ConnMan combination is
>> simply too fast.  It tries to access the Modem before it had the chance
>> to properly initialize the SIM card.  We have pushed some fixes upstream
>> after the 0.26 release that should alleviate this.
> 
> Thanks for the response. You are right, I can reproduce the problem
> even with connman turned off, by calling the test scripts before the
> modem is ready.
> 
> I'm using both ofono and connman from git, with all the available
> updates so far. Does it mean that the fixes didn't solved the issue in
> my case? Could you point me to the patches?

For your particular case these patches from Kalle would be helpful:

[PATCH 1/2] huawei: poll sim state
[PATCH 2/2] huawei: postpone post_sim until SIM is ready

However, they weren't integrated upstream due to some concerns.  See the
entire thread for more details.

Regards,
-Denis