[Replicant] Phone locked to an operator

[Denis 'GNUtoo' Carikli]

On Thu, 21 Dec 2017 21:15:00 +0000
Josh Branning <lovell.joshyyy at gmail.com> wrote:

> That said, there is hope for this device [the i9305], as I believe
> the actual firmware for the modem, or at least the modem's
> co-processor, is freely available (as it's based on open embedded
> linux IIRC).
Where can I find it? my i9305 MODEM partition is corrupted and I don't
have backups with me.

For more information on the GNU/Linux that is running inside the one of
the processor inside the modem chip:
https://osmocom.org/projects/quectel-modems/wiki

Unfortunately I fear that the interesting part which deals with the
telephony network is yet in another separate processor in that modem
chip and the code is probably nonfree.

Also the fact that theses chips are from Qualcomm makes it harder to
work with due to the lack of good support in mainline Linux and the
fact that the MSM Linux kernel diff is huge.

Denis.
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