[Replicant] SIM not recognized in Galaxy Note II

[Denis 'GNUtoo' Carikli]

On Tue, 16 Oct 2018 21:11:02 +0200
Fil <fil.bergamo at riseup.net> wrote:

> #1st option (preferable):
This is preferable for me too.

> I can try and investigate the issue myself.
> I will need assistance from you in the first month or so, to build up
> the specific knowledge necessary to handle this case.
> I'm confident I can learn fast enough to then do some progress on my
> own.. This is a thing that *must* be resolved. The only way is to
> join efforts through a cooperative approach.
> No single replicant developer has currently enough
> time/energies/resources to focus on this, it seems.
> Maybe by sharing informations and carefully dividing tasks among
> different devs, this issue can be overcome.
This would be ideal. Personally I still can find some time to work on
Replicant, but solving that by myself would probably require big
contiguous time chunks (like dedicate several contiguous days or a week
to it), and that is not possible for me at the moment. I'll probably be
able to find time again soon, but this bug is very urgent...

I've created a wiki page[1] to:
- be able to sort a bit the bugs
- have a list of SIM cards that are known to work and not to work.

One of the bugs[2] has extensive logs. I took the time to look at it in
more detail today.

I also tested my SIM cards and found 2 that weren't working on
Replicant, one of which seem to have a somewhat similar behavior. It's
a very old SFR sim card:
- The log seem somewhat similar but I didn't compare them side by side.
- The SIM card asks for a pin on a i9305 under LineageOS, but doesn't
  on a Galaxy SII under Replicant.

There are some things related to STK (SIM Toolkit) which fails,
especially RIL_REQUEST_REPORT_STK_SERVICE_IS_RUNNING that is not
supported.

STK is currently not supported and I don't know if or how we should
implement STK as it gives too much control to the SIM card.

We might want to try to implement some part of the requests just to
tell the SIM card or the Android framework that it's not supported on
this device.

There is also RIL_REQUEST_START_LCE which is unsupported.

References:
-----------
[1]https://redmine.replicant.us/projects/replicant/wiki/SIM_not_recognized_with_libsamsung-ipc_and_samsung-ril
[2]https://redmine.replicant.us/issues/1868

Denis.
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