Keys of Xperia Z. restore DRM.

I have a Xperia Z (C6603) 4.4.2 KK, I have rooted, unlock the bootloader, flashed to Lollipop AOSPS, but by a few glitches, the complexity are the facilities of the GAPP and is too espartan for my taste I chose to my usual Xperia.

I could find a service ROM 4.4.4 KK (on your site) and load it with Emma, now I recompose a little everything, configs, settings, etc. ROM service is very cute, because I could restore the environment that I'm used to, but I found two drawbacks:

  1. The option to view SIM contacts disappeared. They are, but not shown, there is no option, I had to use an app to view, but not it is me have control, comparing the contacts I have in the SIM card or memory. It is because of the upgrade to 4.4.4 or is this a bug?
  2. The MOST important: the DRM keys, as these make your camera improves incredibly with BRAVIA engine and other. Who are the choices to recover or have a functional.

EDIT.

I saw similar posts (by typing the title of the post) that there is no solution, is there any other choice, service, everyone?

I would like to know maybe it's a solution to restore our devices, however, it is difficult.

As far as I know once drm keys are lost its impossible to recover. But if you want xperia stock rom then relock your bootloader and repair your phone software with CCP or doing as suggested by @Thommo. P.S. There are other ROMS door/operatinginstructions kitkat by xperia Z in the try Xda forums first.

Tags: Sony Software

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