[Q] Z2, root, unlocking bootloader, DRM keys and Titanium Backup

Search This thread
By:
Advanced…
W

[w]

Senior Member
May 22, 2014
75
8
Hi,

So after reading a bunch of posts, I want to verify if I understand the current state of things with the Z2
- There is no current way to backup the TA partition on the Z2 right now.
- Because there is no way to backup the TA partition, if i unlock the bootloader I will lose all the DRM keys
- There is no other way to root the phone then unlocking the bootloader

If I understand that correctly, a few questions:
- besides X-Reality, trackid, what are some of the important/desireable features that will not work without DRM keys?
- I'm coming from an S2. How might i transfer apps and data onto the Z2? I was planning to use Titanium Backup but without root this doesn't seem possible

thanks in advance.
 
W

[w]

Senior Member
May 22, 2014
75
8
Mr.R™ said:
Yes they will work, DRM = Digital Rights Management which is for protected digital content only
Click to expand...
Click to collapse

Ok, after more digging, it appears that the xperia Z line uses DRM to also lock things like "Bravia engine" (x-reality) and other things like screen mirroring.
http://xdaforums.com/showpost.php?p=53134830&postcount=328
even tho you can toggle it in settings, it is permanently disabled.


on a side note, regarding migrating over from S2 to Z2 when it doesn't support root, I found helium.
https://play.google.com/store/apps/details?id=com.koushikdutta.backup
 
S

se1000

Senior Member
Feb 14, 2011
1,038
395
[w] said:
Ok, after more digging, it appears that the xperia Z line uses DRM to also lock things like "Bravia engine" (x-reality) and other things like screen mirroring.
http://xdaforums.com/showpost.php?p=53134830&postcount=328
even tho you can toggle it in settings, it is permanently disabled.


on a side note, regarding migrating over from S2 to Z2 when it doesn't support root, I found helium.
https://play.google.com/store/apps/details?id=com.koushikdutta.backup
Click to expand...
Click to collapse

X-Reality can still work after unlocking your bootloader and rooting, plenty of threads.

X-Reality is not the same as Bravia engine

Screen mirroring, 4k video, blah blah blah, everything works except for the DRM related apps such as Music unlimited and Video unlimited.

Camera function and quality is also NOT affected.
 
  • Like
Reactions: [w]
Envious_Data

Envious_Data

Senior Member
Oct 12, 2012
4,866
2,279
Imagination
enviousmedia.design
[w] said:
Hi,

So after reading a bunch of posts, I want to verify if I understand the current state of things with the Z2
- There is no current way to backup the TA partition on the Z2 right now.
- Because there is no way to backup the TA partition, if i unlock the bootloader I will lose all the DRM keys
- There is no other way to root the phone then unlocking the bootloader

If I understand that correctly, a few questions:
- besides X-Reality, trackid, what are some of the important/desireable features that will not work without DRM keys?
- I'm coming from an S2. How might i transfer apps and data onto the Z2? I was planning to use Titanium Backup but without root this doesn't seem possible

thanks in advance.
Click to expand...
Click to collapse

Nothing at all stops working when you unlock your bootloader

There currently isnt any way to backup TA or drm keys

If you unlock ,your TA is wiped along with your data and internal storage
TA partition is where drm keys are stored

You can use google services to backup your apps and this can be found in your settings for some devices, there is app2zip which i use to use but i think app data doesent work right on KK


When i can ill be posting a ref/info thread on all you need to know in the QnA ill ask for a mod to pin it

Sent from my D6503 using XDA Premium 4 mobile app
 
  • Like
Reactions: [w]
K

KWOKSFUNG

Senior Member
May 15, 2013
1,049
137
Hong Kong
Camera quality might decrease someway (MAY decrease, i'm not sure)
this surely occur on z1, but looks like no one test it seriously on z2
 
Envious_Data

Envious_Data

Senior Member
Oct 12, 2012
4,866
2,279
Imagination
enviousmedia.design
KWOKSFUNG said:
Why are u so sure??
did someone already make serious test like they did on Z1?
Click to expand...
Click to collapse

Oh let me add some details i missed

All xperia devices that have KK 4.4 are not affected by Unlocking your bootloader, its been proven quite alot here on XDA,

Unless sony treat a spesific device differently which may be the Z1 which i doubt because KK FW for xperias are very alike, just minor config differences and device spesifics aside the kernel

Sent from my D6503 using XDA Premium 4 mobile app
 
  • Like
Reactions: KWOKSFUNG
K

KWOKSFUNG

Senior Member
May 15, 2013
1,049
137
Hong Kong
Envious_Data said:
Oh let me add some details i missed

All xperia devices that have KK 4.4 are not affected by Unlocking your bootloader, its been proven quite alot here on XDA,

Unless sony treat a spesific device differently which may be the Z1 which i doubt because KK FW for xperias are very alike, just minor config differences and device spesifics aside the kernel

Sent from my D6503 using XDA Premium 4 mobile app
Click to expand...
Click to collapse

Thanks for the info
actually Z1 has all other features including X-reality work on 4.4 except the extra camera quality, which the effect is proved to be significant in low light
if all sony kitkats are similar, then i have a bad news for z2....
hope it isnt anyway, and hope some1 can port the LB exclusive effect to z1
 
Envious_Data

Envious_Data

Senior Member
Oct 12, 2012
4,866
2,279
Imagination
enviousmedia.design
KWOKSFUNG said:
Thanks for the info
actually Z1 has all other features including X-reality work on 4.4 except the extra camera quality, which the effect is proved to be significant in low light
if all sony kitkats are similar, then i have a bad news for z2....
hope it isnt anyway, and hope some1 can port the LB exclusive effect to z1
Click to expand...
Click to collapse

Well remember this although KK being simular its based on Z2 firmware, sony are lazy, they dont rebuild, they port

So sony probably lowered quality of KK for Z1 in an attempt to lure people to other xperias but it seems to be failing

Sent from my D6503 using XDA Premium 4 mobile app
 
K

KWOKSFUNG

Senior Member
May 15, 2013
1,049
137
Hong Kong
Envious_Data said:
Well remember this although KK being simular its based on Z2 firmware, sony are lazy, they dont rebuild, they port

So sony probably lowered quality of KK for Z1 in an attempt to lure people to other xperias but it seems to be failing

Sent from my D6503 using XDA Premium 4 mobile app
Click to expand...
Click to collapse

O maybe u got me a bit wrong
i mean the quality of camera on Z1 with LB is significantly better than a Z1 with UB, there's a thread about it
http://xdaforums.com/showthread.php?t=2722106

(well, X-reality still works on UB Z1)
Unlike Z1, Z2 has no return for unlocking the bootloader. U cant swap between locked and unlocked to test the difference
so i doubt there might be somehow of difference between LB and UB in Z2 even if u still think photo looks great on UB Z2

Has any other sony kitkat devices made such test between LB and UB photo???
 
Envious_Data

Envious_Data

Senior Member
Oct 12, 2012
4,866
2,279
Imagination
enviousmedia.design
KWOKSFUNG said:
O maybe u got me a bit wrong
i mean the quality of camera on Z1 with LB is significantly better than a Z1 with UB, there's a thread about it
http://xdaforums.com/showthread.php?t=2722106

(well, X-reality still works on UB Z1)
Unlike Z1, Z2 has no return for unlocking the bootloader. U cant swap between locked and unlocked to test the difference
so i doubt there might be somehow of difference between LB and UB in Z2 even if u still think photo looks great on UB Z2

Has any other sony kitkat devices made such test between LB and UB photo???
Click to expand...
Click to collapse

Probably not, i know UB and LB is exact same with Z2, because i posted screenshots and stuff proving everything works

It seems only Z1 is affected by UB all others are totaly fine, im unsure of Z1 compact though, seems to be lacking solid information

Sent from my D6503 using XDA Premium 4 mobile app
 
  • Like
Reactions: KWOKSFUNG
K

KWOKSFUNG

Senior Member
May 15, 2013
1,049
137
Hong Kong
Envious_Data said:
Probably not, i know UB and LB is exact same with Z2, because i posted screenshots and stuff proving everything works

It seems only Z1 is affected by UB all others are totaly fine, im unsure of Z1 compact though, seems to be lacking solid information

Sent from my D6503 using XDA Premium 4 mobile app
Click to expand...
Click to collapse

Thanks for the info
could u give a link for that?
 
K

KWOKSFUNG

Senior Member
May 15, 2013
1,049
137
Hong Kong
Envious_Data

Envious_Data

Senior Member
Oct 12, 2012
4,866
2,279
Imagination
enviousmedia.design
KWOKSFUNG said:
Come on I'm talking about camera quality not X-reality
X-reality works on all sony 4.4, we agree that
I mean the photo u took after unlocking the bootloader may have worse quality compared to that in locked bootloader
Click to expand...
Click to collapse

It seems not to have made any difference for me

I did take 2 pics one from before and after unlocking my bootloader
(forgot who reminded me to do this test)

Settings:
Manual
Iso 100
Spot metering
Exposure 0.0
White balance, cloudy
15.5mp/16:9

Edit:1st one is before
2nd one is after

Analysis, 0 differences aside light assistance
Test result: nul
End results: UBL affects nothing

Sent from my D6503 using XDA Premium 4 mobile app
 

Attachments

  • 1402135756319.jpg
    1402135756319.jpg
    70.1 KB · Views: 364
  • 1402135768150.jpg
    1402135768150.jpg
    64.4 KB · Views: 347
  • Like
Reactions: KWOKSFUNG
You must log in or register to reply here.

Similar threads

M
S1 Service/S1 boot fastboot drivers
Replies
10
Views
275K
A
AveoVeva
P
[Q] What is lost when you unlock bootloader? Are drm keys needed?
Replies
96
Views
30K
D
Deleted member 4529355
Envious_Data
[INFO/Help/Ref] ALL You Need To Know About Owning A Xperia Z2
Replies
340
Views
85K
K
khoaminion
O
Xperia Z2 Wifi not working for anyone else?
Replies
57
Views
58K
M
M94Khaled
K
[Q] Xperia Z2 fails to unlock bootloader
Replies
38
Views
26K
S
Shimi_CZ

Top Liked Posts

24 Hours All time
  • There are no posts matching your filters.
  • 1
    S
    se1000
    [w] said:
    Ok, after more digging, it appears that the xperia Z line uses DRM to also lock things like "Bravia engine" (x-reality) and other things like screen mirroring.
    http://xdaforums.com/showpost.php?p=53134830&postcount=328
    even tho you can toggle it in settings, it is permanently disabled.


    on a side note, regarding migrating over from S2 to Z2 when it doesn't support root, I found helium.
    https://play.google.com/store/apps/details?id=com.koushikdutta.backup
    Click to expand...
    Click to collapse

    X-Reality can still work after unlocking your bootloader and rooting, plenty of threads.

    X-Reality is not the same as Bravia engine

    Screen mirroring, 4k video, blah blah blah, everything works except for the DRM related apps such as Music unlimited and Video unlimited.

    Camera function and quality is also NOT affected.
    View
    1
    Envious_Data
    Envious_Data
    [w] said:
    Hi,

    So after reading a bunch of posts, I want to verify if I understand the current state of things with the Z2
    - There is no current way to backup the TA partition on the Z2 right now.
    - Because there is no way to backup the TA partition, if i unlock the bootloader I will lose all the DRM keys
    - There is no other way to root the phone then unlocking the bootloader

    If I understand that correctly, a few questions:
    - besides X-Reality, trackid, what are some of the important/desireable features that will not work without DRM keys?
    - I'm coming from an S2. How might i transfer apps and data onto the Z2? I was planning to use Titanium Backup but without root this doesn't seem possible

    thanks in advance.
    Click to expand...
    Click to collapse

    Nothing at all stops working when you unlock your bootloader

    There currently isnt any way to backup TA or drm keys

    If you unlock ,your TA is wiped along with your data and internal storage
    TA partition is where drm keys are stored

    You can use google services to backup your apps and this can be found in your settings for some devices, there is app2zip which i use to use but i think app data doesent work right on KK


    When i can ill be posting a ref/info thread on all you need to know in the QnA ill ask for a mod to pin it

    Sent from my D6503 using XDA Premium 4 mobile app
    View
    1
    Envious_Data
    Envious_Data
    KWOKSFUNG said:
    Why are u so sure??
    did someone already make serious test like they did on Z1?
    Click to expand...
    Click to collapse

    Oh let me add some details i missed

    All xperia devices that have KK 4.4 are not affected by Unlocking your bootloader, its been proven quite alot here on XDA,

    Unless sony treat a spesific device differently which may be the Z1 which i doubt because KK FW for xperias are very alike, just minor config differences and device spesifics aside the kernel

    Sent from my D6503 using XDA Premium 4 mobile app
    View
    1
    Envious_Data
    Envious_Data
    KWOKSFUNG said:
    O maybe u got me a bit wrong
    i mean the quality of camera on Z1 with LB is significantly better than a Z1 with UB, there's a thread about it
    http://xdaforums.com/showthread.php?t=2722106

    (well, X-reality still works on UB Z1)
    Unlike Z1, Z2 has no return for unlocking the bootloader. U cant swap between locked and unlocked to test the difference
    so i doubt there might be somehow of difference between LB and UB in Z2 even if u still think photo looks great on UB Z2

    Has any other sony kitkat devices made such test between LB and UB photo???
    Click to expand...
    Click to collapse

    Probably not, i know UB and LB is exact same with Z2, because i posted screenshots and stuff proving everything works

    It seems only Z1 is affected by UB all others are totaly fine, im unsure of Z1 compact though, seems to be lacking solid information

    Sent from my D6503 using XDA Premium 4 mobile app
    View
    1
    Envious_Data
    Envious_Data
    KWOKSFUNG said:
    Come on I'm talking about camera quality not X-reality
    X-reality works on all sony 4.4, we agree that
    I mean the photo u took after unlocking the bootloader may have worse quality compared to that in locked bootloader
    Click to expand...
    Click to collapse

    It seems not to have made any difference for me

    I did take 2 pics one from before and after unlocking my bootloader
    (forgot who reminded me to do this test)

    Settings:
    Manual
    Iso 100
    Spot metering
    Exposure 0.0
    White balance, cloudy
    15.5mp/16:9

    Edit:1st one is before
    2nd one is after

    Analysis, 0 differences aside light assistance
    Test result: nul
    End results: UBL affects nothing

    Sent from my D6503 using XDA Premium 4 mobile app
    View

New posts