Restoration of key DRM after Bootloader lock again?

I wonder if I unlock my bootloader (and lose the DRM keys) and later it relock, DRM keys and some lost features such as the quality of the camera will be restored? Or they are gone forever?

If you unlock your bootloader you will lose key DRM and relock do not put their return, you root without unlocking the bootloader and then save your partition of TA - then you can unlock your bootloader and want to relock it then you need to restore the partition of TA to reaquire your DRM keys, however I'm aware there is no way to root without unlocking the bootloader, but check XDA for more details

Tags: Sony Phones

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