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( Discussion ) Bootloader Unlock / DRM Keys

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manu44
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Info 2 ( Discussion ) Bootloader Unlock / DRM Keys

HI XDA,

As we all know at present there is no exploit to root while the boot loader is locked and hence do the TA Backup and save the DRM keys. Now, considering the predecessor Z1, many people are of a view wherein if we unlock the bootloader then DRM keys would be lost and some functions like Xreality and etc wont work.

But, on the 4.4.2 Z1 firmware DRM keys are not lost if we unlock the B/L.( Correct me if I am wrong ).

So, The main confusion now is the following.

* Per Some users who have U/L their bootloader, They mentioned that everything is working fine including Xreality and all DRM keys are intact if they check it via *#*#7378423#*#* on phone keypad -> service tests -> verifiy certificates -> media -> Certificates

* Per some users DRM Keys are lost as in Z1

Now, Considering that there is NO ETA as to when a exploit would be discovered to root without u/l boot-loader.What I want to suggest is that probably we can request our friends who have already unlocked the bootloader to check if DRM keys are lost or not and if genuinely all the features like xreality BIONZ are wroking.

I am not sure who we can do that. So, lets please work on this and possibly all of us who are waiting to ROOT this awesome beast put an end to our patience.
N-Gage > Sony Walkman > Nokia E72 > Nokia Music Xpress > HTC HD2 > Inspire 4G > Samsung Skyrocket > Xynos S4 > XPERIA Z2

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King Cole
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Figured I'd humour you and post what all is in my "Media" section. Unlocked bootloader, btw. I'm going to assume this means I'm missing the keys? And I marked out the Thumbprint stuff, cause that looked somewhat private.

Phones
Xperia ion - Retired
Galaxy S4 - Backup phone (slightly cracked screen)
Xperia Z2 - Current phone


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kjhughes
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I have the same. Same subject, same 6 packages. Bootloader unlocked on an unlocked Z2

Sent from my D6503 using Tapatalk
 
manu44
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Quote:
Originally Posted by King Cole View Post
Figured I'd humour you and post what all is in my "Media" section. Unlocked bootloader, btw. I'm going to assume this means I'm missing the keys? And I marked out the Thumbprint stuff, cause that looked somewhat private.

Quote:
Originally Posted by kjhughes View Post
I have the same. Same subject, same 6 packages. Bootloader unlocked on an unlocked Z2

Sent from my D6503 using Tapatalk
Thanxs Guys.

I am on a Locked Bootloader and I have the exact same things as mentioned by you..

Now if some could shed some light on some other way to verify the fact that DRM keys are lost or not.
N-Gage > Sony Walkman > Nokia E72 > Nokia Music Xpress > HTC HD2 > Inspire 4G > Samsung Skyrocket > Xynos S4 > XPERIA Z2

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dilema
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Maybe try playing a movie from video unlimited on an unlocked phone?
 
progressfx
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Or maybe *#*#7378423#*#*
Service tests
Security
Then look on a first three lines.
 
se1000
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Quote:
Originally Posted by progressfx View Post
Or maybe *#*#7378423#*#*
Service tests
Security
Then look on a first three lines.
for all first 3 it says [Unknown Error][Active]
 
progressfx
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Quote:
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for all first 3 it says [Unknown Error][Active]
That means DRM keys are lost. I've got
[key ok][Active]
In all three lines.
 
kamalmawa
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Quote:
Originally Posted by se1000 View Post
for all first 3 it says [Unknown Error][Active]
This Unknown Error means you've lost those DRM keys by unlocking the bootloader

Sent from my C6603 using Tapatalk
Device: Sony Xperia Z2 D6503
OS: Android 4.4.2
ROM: Stock 17.1.1.A.0.438
Kernel: Stock


Old Devices: Galaxy S I9000, Galaxy S3 I9300T, Sony Xperia Z

Xperia Z Australian Firmwares
S3 RIL+Modem Thread
S3 Stock Kernels Thread
 
kabauterman
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Yes, on my still locked Z2 the first lines say [Key OK] [Active]

So I still wait for some exploid to save the Keys just because If I sell the phone it would be important I think.

But btw. can someone check what this lines say after you relock the bootloader? Would be interesting
MOTOROLA Milestone -> HTC Desire Z -> Google/Samsung Galaxy Nexus -> Google/LG Nexus 4 -> HTC One -> MOTOROLA RAZR i -> Google/LG Nexus 5 -> Sony Xperia Z2 -> OnePlus One Sandstone Black 64GB

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drm keys, rooting, xperia z2, xperia z2 rooting
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