Hi guys,
I just found this and it might be helpful:
http://www.xda-developers.com/restore-lost-functionality-on-your-unlocked-xperia-device-part-two/


Best regards,  Nino V.

2015-09-16 23:56 GMT+02:00 Prateek Jadhwani <[email protected]>:

>
> Thankyou Adam, Alexandre, Andrew and Douglas for sharing your insight with
> me about the DRM keys. I guess we will need other solution then.
> Any other suggestions?
> On Wednesday, September 16, 2015 at 5:49:28 PM UTC-4, Adam Farden wrote:
> > Saving DRM keys is virtually impossible as you need a security exploit
> to gain root privileges BEFORE you unlock the device. The 'backup' process
> is essentially make a dd copy of the TZ partition.
> >
> > Even if you back this up you can't do anything with it. Restoring the
> partition effectively takes you to the state you were in before unlocking
> the device. There's simply no way to keep Sony's proprietary imaging tech
> and also use custom software.
> >
> > On 16 Sep 2015 20:13, "Alexandre Lissy" <[email protected]> wrote:
> > Le 16/09/2015 20:02, Prateek Jadhwani a écrit :
> >
> > > On Wednesday, September 16, 2015 at 1:29:04 PM UTC-4, Andrew Osmond
> wrote:
> >
> > >> I believe gecko exposes most of them (and if not, I'll add them), but
> I'll make it a priority in the coming weeks to add appropriate knobs to the
> app.
> >
> > >>
> >
> > >
> >
> > > This would be really helpful. I should be able to test it without any
> problems.
> >
> > >> Never having used the camera with Android, I don't have much point of
> comparison at this stage. Hopefully if I provide the knobs, I can enlist
> some of you tell let me know what works for your photos and what doesn't
> :). Maybe the defaults aren't good enough.
> >
> > >>
> >
> > >
> >
> > > For the DRM keys,  I suggest we add something in the docs for these
> sony devices. And if possible, add something in the configure.sh file to
> grab the DRM partition/files from the device itself or something liek that
> that could be done even before the device is rooted and put them back
> during the flash process.
> >
> >
> >
> > Sony's wizard to unlock the bootloader already warns you about the lost
> >
> > of DRM and the impact.
> >
> > _______________________________________________
> >
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> >
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> >
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