[Replicant] steps to follow BEFORE installation

[Denis 'GNUtoo' Carikli]

On Tue, 12 Jun 2018 14:42:30 -0400
Fil Lupin <fillupin at protonmail.com> wrote:

> Hi,
Hi,

> PS : I did not receive my former mail from the mailing list, is it
> normal?
The former mail didn't reach the mailing list.

On May 31, 2018 9:37 PM, Fil Lupin <fillupin at protonmail.com> wrote:
> Before installation of Replicant, some steps can be followed to
> better prepare installation:
>
> - save data :
>
> - pictures
> - music
Theses are typically located on the microSD and/or an internal
partition that is used to store users files.
That partition is may be called userdata, media, or something like
that. Files on such partition and are probably not erased when
unlocking the bootloader and are not meant to be erased when installing
Replicant.

> - MMS (with attached parts)/SMS (some answers available for iPhone
> at https://redmine.replicant.us/boards/21/topics/9543 and for
> android at
> https://redmine.replicant.us/boards/9/topics/14315?r=14707)
Theses are typically erased in the case mentioned above as they are on
the applications data partition (often called data).

> - other files
>
> - save ROM, especially critic parts (EFS, including MAC address and
> IMEI)
Since Replicant's samsung-ril and libsamsung-ipc implementations are
not complete, saving the EFS is a very good idea.
I saw several devices with an EFS corrupted by Replicant where the
proprietary implementations were able to recreate or repair an EFS if
it is corrupted. 

> It could be interesting to give some tips, precisions, howto, links
> to doc, etc. to help newcomers to prepare installation through
> these steps. If this is already available, please let me know where
> I could find this. If not, do you see any other things?
I think it would be very interesting to add some information about
that on a dedicated page in the wiki as it will most probably be very
useful for many reasons:
- Users could more easily switch to Replicant
- Users could more easily upgrade between Replicant version without
  loosing all the data.
  For instance some applications might have some specific procedure to
  be able to backup and restore their data. For instance it's not
  trivial to export and import data from silence between different
  Replicant version.

Denis.
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