[Replicant] backup stock ROM without root

kurtis kurtis at riseup.net
Tue Sep 11 22:22:00 UTC 2018



Fil Lupin:
> Hi Denis, thank you for these insights. My answers follow below:
> 
> On Monday, 10 September 2018 15:03, Denis 'GNUtoo' Carikli
> <GNUtoo at no-log.org> wrote:
> 
>> On Sun, 09 Sep 2018 09:17:52 +0000 Fil Lupin
>> fillupin at protonmail.com wrote:

[...]

>> Alternatively you could try to go use bootloader exploit to run
>> u-boot or something like that. There is someone working on porting
>> u-boot to the i9300. When USB support will be ready for u-boot, you
>> could try to run the this command to export the eMMC over USB:
>> 
>>> ums 0 mmc 0
>> 
>> or this one:
>> 
>>> ums 0 mmc 1
>> 
>> Both paths requires some work but it would be very beneficial as
>> users could way more easily migrate their data.

Forkbomb just said in the IRC, "finally got networking over USB in
u-boot working! that means u-bootl console without serial cable and
tftpboot/nfsroot support for Linux."

> I still need to read about the boot process to understand it well,
> but I found a page which seems well documented
> (https://forum.xda-developers.com/android/general/info-boot-process-android-vs-linux-t3785254),
> I will spend some time on it.
> 
> The way proposed by Kurtis to sold some resistor still seems
> interesting to better understand the behaviour, but sadly, I do not
> have the skills needed yet. :)
>
> - Fil Lupin.


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