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I have unlocked the bootloader to try some roms, but too late I understand that this will make the Bravia Engine to stop working... If I relock my bootloader will that make the Bravia Engine to work again?

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Just relocking won't work, you need to restore the TA partition (which contains DRM keys for Bravia Engine) that you must have backed up before unlocking your bootloader.

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  • so is it reversable?
    – Sartheris Stormhammer
    Feb 15, 2014 at 12:02
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    @БориславМинчев: If you have a TA backup yes, if not no.
    – Matthieu Harlé
    Feb 15, 2014 at 12:21

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