Hi. I have been thinking about unlocking boot loader and rooting my z3 for the purposes of installation of stock android ROM, I have seen about the loss of DRm when unlocking the bootloader.
I wanted to ask people if it is worth it losing some functionality over a custom rom
Sent from my D6603 using XDA-Developers mobile app
You can root without unlocking the bootloader. Or backup the TA partition which holds DRM so if you decide you want to lock again you can just do it.
At least locked bootloader root is worth it. Awesome Stock Custom ROMs on here
Dobsgw said:
You can root without unlocking the bootloader. Or backup the TA partition which holds DRM so if you decide you want to lock again you can just do it.
At least locked bootloader root is worth it. Awesome Stock Custom ROMs on here
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Thanks for the reply, think i would like to keep bootloader locked as don't want any hassle in the future as will be selling my phone come the new year. Can you suggest a root method for the d6603 on MM
stewart30 said:
Thanks for the reply, think i would like to keep bootloader locked as don't want any hassle in the future as will be selling my phone come the new year. Can you suggest a root method for the d6603 on MM
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forum.xda-developers.com/z3/general/recovery-root-mm-575-291-lb-t3435214
Related
Ok so yesterday I've bought myself a "Sony Xperia Z3 D6603 23.0.1.A.5.77". Now I would like to root this device and probebly flash a custom ROM over it. So I started doing my research because I'm used flashing Samsung Galaxy S3 only.
So here's what happens:
1) To be able to root and/or flash your device, you must unlock your bootloader.
2) Unlocking your boatloader will cause the loss of your TA DATA / DRM keys. If you don't want to lose these permanently, please make backups first.
3) To backup your TA, it is required to root your device first.
And so we end up back on step 1 again. I hope any of you can understand my confusion and please point me into the right direction / threads to do this the correct way. Thanks in advance!:highfive:
Yes, that is the current situation.
Normally what you want is this
1) Root using a locked bootloader method
2) Backup TA
3) Unlock bootloader
4) Flash custom kernel/ROM
The problem we have is that there is NO way to root on a locked bootloader ATM for the Z3. So you have to unlock the bootloader without backing up the TA partition.
I have exactly the same situation... Ex user of a galaxy s3 and now using a Z3 Dual D6633...for now I'm waiting to see if something is possible...
jnannetti said:
I have exactly the same situation... Ex user of a galaxy s3 and now using a Z3 Dual D6633...for now I'm waiting to see if something is possible...
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It is not possible until there is root for a locked bootloader.
I am now unconvinced this will happen as Lollipop is 1-2 months away. It makes no sense to work on locked bootloader root for our current phones. (this is just my opinion, it may still happen)
Thanks for the info! Guess it's best to wait for better methods first. And ye, I agree. With Lollipop comming out anytime soon, it's best to wait for that.
I have a nexus 5. The bootloader is unlocked. It has stock OTA lollipop.
I have a few questions about this device. I have read this device is special in that unlocking the bootloader does not wipe the phone. Is that true? My impression is that locking the bootloader does NOT wipe the device (true for many device), correct?
My dilemma is this. I have read it is good to have a locked bootloader, but I don't want to then later unlock it if it wipes my device. I could root and lock, but I think I lose root when the next OTA update comes. I will hence be in locked without root state.
Anyway, my question is, do I need to lock it? Should I root it first? What do I do when I lose root next OTA and the bootloader is locked? This isn't a problem if unlocking the loader doesn't wipe the device.
juniper1982 said:
I have a nexus 5. The bootloader is unlocked. It has stock OTA lollipop.
I have a few questions about this device. I have read this device is special in that unlocking the bootloader does not wipe the phone. Is that true? My impression is that locking the bootloader does NOT wipe the device (true for many device), correct?
My dilemma is this. I have read it is good to have a locked bootloader, but I don't want to then later unlock it if it wipes my device. I could root and lock, but I think I lose root when the next OTA update comes. I will hence be in locked without root state.
Anyway, my question is, do I need to lock it? Should I root it first? What do I do when I lose root next OTA and the bootloader is locked? This isn't a problem if unlocking the loader doesn't wipe the device.
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Unlocking the bootloader will wipe your device, unless you're rooted and use bootunlocker. Personally I leave my bootloader unlocked. You do loose some security though by doing this
Sent from my Nexus 9 using XDA Free mobile app
jd1639 said:
Unlocking the bootloader will wipe your device, unless you're rooted and use bootunlocker. Personally I leave my bootloader unlocked. You do loose some security though by doing this
Sent from my Nexus 9 using XDA Free mobile app
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I guess it would help to know the security risks.
I only install apps from the play store, and usually only ones with a huge amount of traffic.
juniper1982 said:
I guess it would help to know the security risks.
I only install apps from the play store, and usually only ones with a huge amount of traffic.
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The security risk is if you lost your phone or it's stolen. With an unlocked bootloader it's easier to get to the contents of your phone. But if you don't use a pin or pattern lock it wouldn't make a difference.
Sent from my Nexus 9 using XDA Free mobile app
jd1639 said:
The security risk is if you lost your phone or it's stolen. With an unlocked bootloader it's easier to get to the contents of your phone. But if you don't use a pin or pattern lock it wouldn't make a difference.
Sent from my Nexus 9 using XDA Free mobile app
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ah right. I was thinking that if someone physically got their hands on my they could just unlock and have access to it. but of course unlock wipes it!
Ok. thanks. I get it now.
Just as mentioned above. I dont mind waiting but just wanna ask is there anybody able to get it already? I've done some google, some pages offer a very 'detailed' instructions like just install TWRP using fastboot method then flash the SuperSU binary then bingo!! Some others state unlocking BL is required. Since to me xda is the only reliable source so I guess I will be looking for answers here.
Cheers
since the Z3+ and newer devices, root with lock bootloader is impossible at least for now.
btw, unlock bootloader is so easy for root, why not? Warranty?
tommy1616 said:
since the Z3+ and newer devices, root with lock bootloader is impossible at least for now.
btw, unlock bootloader is so easy for root, why not? Warranty?
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Well... DRM keys thing is what i concern. AFAIK im gonna have to give up some features if i lose it so...
Btw it'd be appreciated if u could share some posts about re-locking bootloader and backing up/restoring DRM keys, especially for this new Xperia XZ.
boydzethuong said:
Well... DRM keys thing is what i concern. AFAIK im gonna have to give up some features if i lose it so...
Btw it'd be appreciated if u could share some posts about re-locking bootloader and backing up/restoring DRM keys, especially for this new Xperia XZ.
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This kernel have DRM Patch
http://forum.xda-developers.com/xperia-xz/development/kernel-andropluskernel-v01-t3475240
But.... If unlocked bootloader, DRM keys well loss
and no backup way in marshmallow with no root at the least
tommy1616 said:
This kernel have DRM Patch
http://forum.xda-developers.com/xperia-xz/development/kernel-andropluskernel-v01-t3475240
But.... If unlocked bootloader, DRM keys well loss
and no backup way in marshmallow with no root at the least
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That's what im worrying haha. Guess i'll wait, patiently, for a talent shows up
Someone just pls pls find a way to have it rooted without unlocking BL, or just a way to back up TA BEFORE unlocking for the sake of DRM keys sh!t then nothing would stop me from enjoying root
boydzethuong said:
That's what im worrying haha. Guess i'll wait, patiently, for a talent shows up
Someone just pls pls find a way to have it rooted without unlocking BL, or just a way to back up TA BEFORE unlocking for the sake of DRM keys sh!t then nothing would stop me from enjoying root
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I've been waiting for over 3mths for some progress on backing up the ta keys on all the x range(I have the xa) I don't see it ever happening to be honest and I've made the mistake of loosing ta keys before I won't be doing it again.
Sent from my Xperia XA using XDA Labs
Hi all.
I've got my XZ since one week now, and I'm missing the possibilities of rooting my device.
My Z2 was LB, so I never could ever try to unlock my bootloader. therefore, I don't know anything about it.
I've read a lot of thread here and there, and some points are not that clear to me.
Will the procedure of unlocking the bootloader erase everything in the phone (like photos, contacts, etc...)?
Unlocking the bootloader will kill the DRM keys forever, if I understood well. but flashing Androplus Kernel will recover them, right?
Is it possible to relock the booltloader after? if yes, will the DRM keys be restored?
Last thing, to be sure of what I should do.
1-unlock the bootloader with IMEI via sony site.
2-install TWRP via adb command
3-flash Androplus kernel.
Am I right, or do I miss something?
Thanks for your help, and sorry for the noobish questions.
sensei_sai said:
Hi all.
I've got my XZ since one week now, and I'm missing the possibilities of rooting my device.
My Z2 was LB, so I never could ever try to unlock my bootloader. therefore, I don't know anything about it.
I've read a lot of thread here and there, and some points are not that clear to me.
Will the procedure of unlocking the bootloader erase everything in the phone (like photos, contacts, etc...)?
Unlocking the bootloader will kill the DRM keys forever, if I understood well. but flashing Androplus Kernel will recover them, right?
Is it possible to relock the booltloader after? if yes, will the DRM keys be restored?
Last thing, to be sure of what I should do.
1-unlock the bootloader with IMEI via sony site.
2-install TWRP via adb command
3-flash Androplus kernel.
Am I right, or do I miss something?
Thanks for your help, and sorry for the noobish questions.
Click to expand...
Click to collapse
Hey sensei_sai,
Im unsure if unlocking will erase your data but its always best to backup everything in the internal memory just in case something goes wrong.
Androplus will NOT recover your DRM keys but kernels with DRM fixes try to replicate the features that are permanently lost as a result of unlocking your boot-loader.
In the future it may be possible for you to re-lock the boot-loader but even then this wont restore DRM keys, the only way to restore DRM keys would be to back up your TA partition (This contains your DRM keys) before you unlock your boot-loader but to do this you need root access with your boot-loader still locked.
How to backup TA
Unfortunately at this time nobody has figured out a way to get root with a locked boot-loader although a newly found exploit (Dirty cow) may help us do this very soon so if you care about re-locking and keeping your DRM keys I advise waiting until a locked boot-loader root solution is around!
Sonic Dash said:
Hey sensei_sai,
Im unsure if unlocking will erase your data but its always best to backup everything in the internal memory just in case something goes wrong.
Androplus will NOT recover your DRM keys but kernels with DRM fixes try to replicate the features that are permanently lost as a result of unlocking your boot-loader.
In the future it may be possible for you to re-lock the boot-loader but even then this wont restore DRM keys, the only way to restore DRM keys would be to back up your TA partition (This contains your DRM keys) before you unlock your boot-loader but to do this you need root access with your boot-loader still locked.
How to backup TA
Unfortunately at this time nobody has figured out a way to get root with a locked boot-loader although a newly found exploit (Dirty cow) may help us do this very soon so if you care about re-locking and keeping your DRM keys I advise waiting until a locked boot-loader root solution is around!
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Thanks for your reply.
Too bad for the TA partition.
So we have two possibilities. Take the risk of loose some features forever, but benefit of the root or wait till someone make some magic to use an exploit to obtain root without unlocking the bootloader.
Risk and go... Or wait and safe... Dilemma...
Sent from my Xperia XZ
I think that the era of DRM lock is over, we've been using DRM fixes for all the latest xperia phones, the dirty cow is a bad exploit and it's more dangerous than useful.
I was unsure about unlocking the bootloader but now that I did it, I rooted and I regret nothing, the only downside of unlocking is the warranty loss, but who cares as long as the phone doesn't magically explode.
Venom71 said:
I think that the era of DRM lock is over, we've been using DRM fixes for all the latest xperia phones, the dirty cow is a bad exploit and it's more dangerous than useful.
I was unsure about unlocking the bootloader but now that I did it, I rooted and I regret nothing, the only downside of unlocking is the warranty loss, but who cares as long as the phone doesn't magically explode.
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Good point for you... I think i will take the risk.
Sent from my Xperia XZ
I'm about to....
sensei_sai said:
Good point for you... I think i will take the risk.
Sent from my Xperia XZ
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caqo71 said:
I'm about to....
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OK, so did the bootloader unlock erase your data? Did you use the sony way or Flashtool?
I wrote a complete guide just here : https://forum.xda-developers.com/xperia-xz/how-to/how-to-unlock-bl-kernel-twrp-root-t3541648
Please use the search
nathan30 said:
I wrote a complete guide just here : https://forum.xda-developers.com/xperia-xz/how-to/how-to-unlock-bl-kernel-twrp-root-t3541648
Please use the search
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Thank you, I've seen that guide, seems like it's not possible to unlock bootloader without factory reset.
tempurastyle said:
Thank you, I've seen that guide, seems like it's not possible to unlock bootloader without factory reset.
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Yes, it's not possible
tempurastyle said:
Thank you, I've seen that guide, seems like it's not possible to unlock bootloader without factory reset.
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Yes, but it worth it!! Save all your datas and go for it!
His guys just got the xzp and wow what a phone my only concern is root I have a locked bootloader and it's not unlockable but to be fair I've never unlocked a Xperia bootloader due to loosing drm keys etc
So my question is will we be able to get root on locked bootloaders like we did with past Xperia phones or are we stuck unless we unlock which in my case would mead no root ever :crying:
Thanks
Probably not would be my guess. You still need to unlock bootloader on previous models such as XZ/XZS.
FartyParty said:
Probably not would be my guess. You still need to unlock bootloader on previous models such as XZ/XZS.
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Darn I love this device too but to never be able to have root might be a deal breaker
In service menu it says unlock bootloader allowed no but in developer options it give me the option to unlock the bootloader does this mean it's possible for me to unlock the bootloader
brockyneo said:
In service menu it says unlock bootloader allowed no but in developer options it give me the option to unlock the bootloader does this mean it's possible for me to unlock the bootloader
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That setting is there regardless. If it says no its not possible.
FartyParty said:
That setting is there regardless. If it says no its not possible.
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Ah OK no root for me then ever think it might have to be the oneplus 5 then I love this phone too
Wait for an Android vulnerability or someone find a way to backup the TA partition
ninjy said:
Wait for an Android vulnerability or someone find a way to backup the TA partition
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But I cannot unlock the bootloader I was hoping for a root without unlocking the bootloader like the z3 which was my last Xperia device
One question if I stay with the xzp cam I at least flash the latest stock UK unbranded room with a locked bootloader so I can get rid of my carrier stuff thanks
brockyneo said:
But I cannot unlock the bootloader I was hoping for a root without unlocking the bootloader like the z3 which was my last Xperia device
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It's what i'm saying
brockyneo said:
One question if I stay with the xzp cam I at least flash the latest stock UK unbranded room with a locked bootloader so I can get rid of my carrier stuff thanks
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yes
ninjy said:
It's what i'm saying
yes
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Click to collapse
So what your saying is they maybe a work around getting root ect on locked bootloaders?
Thanks again
Like always, if a security breach is found on Android that allow getting root access, it will be possible to backup the DRM partition, then after if you like, unlocking the bootloader and then restore your DRM partition.
At least, it finished like this for the Z5, but you had to downgrade to Lollipop to get root access.
AFAIK, there is no known way to get root on Nougat today.
ninjy said:
Like always, if a security breach is found on Android that allow getting root access, it will be possible to backup the DRM partition, then after if you like, unlocking the bootloader and then restore your DRM partition.
At least, it finished like this for the Z5, but you had to downgrade to Lollipop to get root access.
AFAIK, there is no known way to get root on Nougat today.
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Click to collapse
So there is the Dirty Cow exploit that seems pretty pervasive and promising.
https://forum.xda-developers.com/general/security/dirty-cow-t3484879
EDIT: Nevermind I'm an idiot, I didn't realize the dates on dirty cow.
Question still stands though, do we know if there is anyone on the XZ Premium working on it?
topherhead said:
So there is the Dirty Cow exploit that seems pretty pervasive and promising.
https://forum.xda-developers.com/general/security/dirty-cow-t3484879
EDIT: Nevermind I'm an idiot, I didn't realize the dates on dirty cow.
Question still stands though, do we know if there is anyone on the XZ Premium working on it?
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I don't think so, there will be more involved ppl when XZ1 will be released, since it's the same specs
hoping for this with the XZs updated to Oreo...
manilenio said:
hoping for this with the XZs updated to Oreo...
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It's not possible anymore. You really need to unlock the bootloader in order to root. Something about patching the kernel.