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what is problem if drm keys are lost?

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PRATHA
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Default what is problem if drm keys are lost?

i have recently unlock boot loader of xperia u but without ta backup
and then i relock the boot loader of xperia u so my question is what application
not work after lost of drm keys and plz tell is bravia engine on xperia u work or not
after relocking of boot loader and how i check is bravia engine is work or not
plz tell me
i check my drm key status it says
MARLIN [UNKNOWN ERROR] [ACTIVE]
WMLA [[UNKNOWN ERROR] [NOT ACTIVE]
IS ANY METHOD TO BACK THIS KEY AGAIN I HAVE NO TA BACKUP
IF ANY METHOD PRESENT PLZ TELL ME
SHOULD I GO SONY CARE CENTRE TO BACK DRM KEYS
I KNOW THIS JOKE BUT IS ANY CHANCE TO BACK THIS KEY VIA CARE CENTRE
PLZ TELL ME
 
AndroidNoob69
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Once you unlock your bootloader without backing up ta, BOOM! Your DRM keys are gone FOREVER. There is a way to get bravia engine to work it is somewhere in our device general forum, go search for it. And DO NOT restore another device TA as it would result in HARD BRICK.

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zeyad xu
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Quote:
Originally Posted by AndroidNoob69 View Post
Once you unlock your bootloader without backing up ta, BOOM! Your DRM keys are gone FOREVER. There is a way to get bravia engine to work it is somewhere in our device general forum, go search for it. And DO NOT restore another device TA as it would result in HARD BRICK.

Sent my Carbonised Xperia P
thank god i have a backup of my ta
feeling armored
xperia m dual c2005
rooted and locked bootloader
using swap script and proud of it
hit the thanks button when i help
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