Sony has always made it pretty easy to unlock the bootloader of their Xperia devices to allow custom recovery and ROMs to be installed, but the act of doing so came at a cost. During the process of unlocking the bootloader, Sony’s DRM protected features were lost because the unlocking process deleted the keys to unlock the DRM.
Among those features lost at the cost of an unlocked bootloader included Sony’s X-Reality feature, noiseless camera algorithm, and audio noise cancelling feature, which would be disabled when the DRM keys were erased. The cost of losing these features was enough to deter many from leaving the Sony Xperia bootloader intact, especially on the newly released Xperia Z5.
Fortunately for Sony Xperia Z5 owners, XDA member tobias.waldvogel has found a way not to restore the keys, but simulate them to allow the features to think the keys are still present and unlock the DRM features. It has been confirmed by numerous users that this workaround is able to bring back Sony-specific apps to the Xperia Z5, including the camera algorithms on a custom ROM.
All you have to do to get this workaround is head on over to the source link and flash a ZIP file (at your own risk) and you’ll have those features back in no time. It’s available for the Sony Xperia Z5, Z5 Compact, and Z5 Premium.