update to .402 without losing root? - Xperia Z2 Q&A, Help & Troubleshooting

Hello, Ive just rooted my z2 with towelroot on .55 and installed the xposed framework. I received the ota update from .402, is it possible to update without losing root? Like with superSU's survival mode?
Already thank you

With OTA survival it should Survive the OTA update
Try it, if you lose root you can simply reroot easily enough
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Envious_Data said:
With OTA survival it should Survive the OTA update
Try it, if you lose root you can simply reroot easily enough
Sent from my D6503 using XDA Premium 4 mobile app
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Thanks, but should I delete the xposed framework? They say that xposed framework screws the update up.

Unlock bootloader -> Flash .402 FTF with flashtool -> Flash insecure kernel via fastboot

Even if you lose the root... I think root for .402 is out already.
http://forum.xda-developers.com/showthread.php?t=2786650
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jeremy.shi said:
Even if you lose the root... I think root for .402 is out already.
http://forum.xda-developers.com/showthread.php?t=2786650
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Click to collapse
Is that with a locked or unlocked bootloader?

pr0jesse said:
Is that with a locked or unlocked bootloader?
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Click to collapse
should work regardless of the bootloader status. ie. you don't need to unlock bootloader.
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Related

Update 6.1.A.2.45

Hello All
I tried to update my phone to that firmeware versión vía OTA but a have an error when the firmware is installing.
I have root and cwm enabled with bootloader locked
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ViciousCC said:
Hello All
I tried to update my phone to that firmeware versión vía OTA but a have an error when the firmware is installing.
I have root and cwm enabled with bootloader locked
Sent from my LT26i using xda app-developers app
Click to expand...
Click to collapse
What specific error?
can you update ota if you're rooted? i thought i read somewhere that you can't? or is that only if you are unlocked bl?
For convenience/less errors it is highly recommended to have a fresh firmware. No root, locked bootloader. For you to update via OTA, Sony Update Service, or PC Companion.
When the BlueBox appear after download and restart the phone The phone restart again and appears a Box saying there was a problem, try again
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Gloris said:
can you update ota if you're rooted? i thought i read somewhere that you can't? or is that only if you are unlocked bl?
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Click to collapse
I think if only is bootloader unlocked
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ViciousCC said:
I think if only is bootloader unlocked
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Click to collapse
Have you tried using PC companion or SUS?
just to confirm that you CAN update a rooted LT26i.
just use PCC or SUS
its all good.
p.s for some reason the size of the OTA update download is much smaller that the update download done by PCC/SUS (almost 400MB) maybe this why many have complained it doesn't work.
For me it makes no difference OTA or via PC, both are failing. I have an unlocked bootloader with that Swiss ICS rom which was published around 20th of June, a few days after the ICS release. ( LT26_6.1.A.0.452_Generic_CH_1257-3740_.ftf )
Could that be a reason for the update to fail?
Joen7 said:
For me it makes no difference OTA or via PC, both are failing. I have an unlocked bootloader with that Swiss ICS rom which was published around 20th of June, a few days after the ICS release. ( LT26_6.1.A.0.452_Generic_CH_1257-3740_.ftf )
Could that be a reason for the update to fail?
Click to expand...
Click to collapse
You can't update with unlocked boot loader on those programs. Use flash tool.
Enviado de meu Xperia S usando o Tapatalk 2

Xperia z ultra

Got a ota updatw to 4.3 but halfway intalling ota, it would just stop. Please advice. I am on a sim free with a lock bootloader.
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Fire up Sony PC Companion on your computer and update through that instead.
I was hoping to have this ota file and hopefully retain root...
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Just flashed ftf 14.B.1.532, rerooted it and tried to update again and update file mb increased but still won't complete intallation process...
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You'll lose root either way. Just update it through PCC and root it.
Sent from my Z Ultra
Thanks for the reply. So, is my only option is to do the unlock and relock bootloader root procedure?
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nexus 4 noob said:
Thanks for the reply. So, is my only option is to do the unlock and relock bootloader root procedure?
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Click to collapse
I believe so on 4.3 (.290)
As time goes on this might be the only way to get root - the more secure Sony/Google (or any OEM) make android the harder it will be to find exploits to gain root.
Did you tried like this
1.Before update simply open superuser settings 2.scroll down to the bottom enable Pro 3.check survival mode 4.uncheck Enable superuser 5.install ota update 6.after reboot enable superuser
LordManhattan and blueether is correct. Tried 3 times what chemcup suggested and the ota update just would stop halfway... Hopefully that they would go easier on the next upcoming update...
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nexus 4 noob said:
Thanks for the reply. So, is my only option is to do the unlock and relock bootloader root procedure?
Click to expand...
Click to collapse
- Unlock the bootloader
- Flash 290
- Flash modified kernel via fastboot
- DO NOT relock the bootloader, the phone won't boot otherwhise.

[Q] ROOT

Hello, I want to root my XPERIA Z2 but I have never done this before, so I have some questions.
1) If I flash the Recovery used to root, will the stock ROM be affected?
2) After root, will I continue receiving the official updates? If not, how can I update it manually?
3) Can I save the stock ROM to an image for future unroot? How?
4) What do I will lose with root?
To root your Z2 you need to unlock your bootloader and flash a kernel with recovery included of which within you can flash a root zip
Kernel and system are seperate so your rom wont be affected but they do depend on eachother
Root doesent affect anything at all and neither does unlocking your bootloader, you lose nothing at all
You can backup your rom in cwm and restore later, you can also unroot from within the root management app
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jahmcr said:
Hello, I want to root my XPERIA Z2 but I have never done this before, so I have some questions.
1) If I flash the Recovery used to root, will the stock ROM be affected?
2) After root, will I continue receiving the official updates? If not, how can I update it manually?
3) Can I save the stock ROM to an image for future unroot? How?
4) What do I will lose with root?
Click to expand...
Click to collapse
1.absolutely nope.
2.yes, if you haven't unlocked bootloader,
But in this case NOPE..
3.just flash ftf ...available in general section..
by flashing it will automatically unroot your device.
4.rules kept on device...[emoji6][emoji6][emoji6]
but if you unlocked bootloader.. then 1.warranty 2.official updates..3. Vulnerability security..
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RootLord said:
1.absolutely nope.
2.yes, if you haven't unlocked bootloader,
But in this case NOPE..
3.just flash ftf ...available in general section..
by flashing it will automatically unroot your device.
4.rules kept on device...[emoji6][emoji6][emoji6]
but if you unlocked bootloader.. then 1.warranty 2.official updates..3. Vulnerability security..
Sent from my C2104 using Tapatalk
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Click to collapse
Thanks, is there any way to root my Z2 without unlock the bootloader? I will not flash any custom ROM to my device, I just want to root it to allow access to SD, get better perfomance and use some apps
Envious_Data said:
To root your Z2 you need to unlock your bootloader and flash a kernel with recovery included of which within you can flash a root zip
Kernel and system are seperate so your rom wont be affected but they do depend on eachother
Root doesent affect anything at all and neither does unlocking your bootloader, you lose nothing at all
You can backup your rom in cwm and restore later, you can also unroot from within the root management app
Sent from my D6503 using XDA Premium 4 mobile app
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Click to collapse
Thanks, where can I get everything needed to root my device?
Enviado desde mi D6503 mediante Tapatalk
Does rooting screw up DRM keys or whatever like it did on other sony devices in the past?
I am REALLY thinking about this as my next device, and if I can't root without screwing up the device, I'll be put off.
TIA
http://forum.xda-developers.com/showthread.php?t=2702001
Here is a link to all you need
Nothing is lost besides your warrenty
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Envious_Data said:
http://forum.xda-developers.com/showthread.php?t=2702001
Here is a link to all you need
Nothing is lost besides your warrenty
Sent from my D6503 using XDA Premium 4 mobile app
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I want to backup my DRM keys but it requires root, how do I root the device before unlocking bootloader?
jahmcr said:
I want to backup my DRM keys but it requires root, how do I root the device before unlocking bootloader?
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Click to collapse
You cant with xperia Z2 at the moment
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Envious_Data said:
You cant with xperia Z2 at the moment
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but the bootloader can be unlocked officially, right? Without losing DRM keys?
donalgodon said:
but the bootloader can be unlocked officially, right? Without losing DRM keys?
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Click to collapse
I am not sure, I don't want to lose the Keys.
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donalgodon said:
but the bootloader can be unlocked officially, right? Without losing DRM keys?
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Click to collapse
Think of it like this, your drm keys with Z2 are currently uselss, losing your drm keys breaks nothing, (ive tested this)
(in simple words = almost 0 drawbacks of unlocking your bootloader)
What you should be more worried about is your warrenty/garentee , it is voided when you unlock your bootloader
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Envious_Data said:
Think of it like this, your drm keys with Z2 are currently uselss, losing your drm keys breaks nothing, (ive tested this)
(in simple words = almost 0 drawbacks of unlocking your bootloader)
What you should be more worried about is your warrenty/garentee , it is voided when you unlock your bootloader
Sent from my D6503 using XDA Premium 4 mobile app
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But restoring TA relocks the bootloader and the phone gets its default stock state (I saw that on a forum and some webpages)
jahmcr said:
But restoring TA relocks the bootloader and the phone gets its default stock state (I saw that on a forum and some webpages)
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Unlocking or relocking your bootloader resets your device so you cant realy win
And you cant relock on a custom kernel, it has to be totaly stock
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Envious_Data said:
Unlocking or relocking your bootloader resets your device so you cant realy win
And you cant relock on a custom kernel, it has to be totaly stock
Sent from my D6503 using XDA Premium 4 mobile app
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Click to collapse
Ok, but is there any way to root the device without installing the custom recovery and unlocking bootloader? Is your's rooted?
Envious_Data said:
Think of it like this, your drm keys with Z2 are currently uselss, losing your drm keys breaks nothing, (ive tested this)
(in simple words = almost 0 drawbacks of unlocking your bootloader)
What you should be more worried about is your warrenty/garentee , it is voided when you unlock your bootloader
Sent from my D6503 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I care more about the DRM keys, only because I assumed they added functionality that woudl be lost wtihout them, as they did in previous Sony devices.
Are you saying that, with the Z2, this is not the case and that the DRM keys don't matter at all?
jahmcr said:
Ok, but is there any way to root the device without installing the custom recovery and unlocking bootloader? Is your's rooted?
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Click to collapse
No way at all, and mine isnt rooted or unlocked because im sending it back for a replacement
donalgodon said:
I care more about the DRM keys, only because I assumed they added functionality that woudl be lost wtihout them, as they did in previous Sony devices.
Are you saying that, with the Z2, this is not the case and that the DRM keys don't matter at all?
Click to expand...
Click to collapse
Yes, DRM keys do nothing, doomlord has mentioned on his twitter and i have proven
Even sony has said your xperia services are still all avaliable after a bootloader unlock
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Envious_Data said:
No way at all, and mine isnt rooted or unlocked because im sending it back for a replacement
Yes, DRM keys do nothing, doomlord has mentioned on his twitter and i have proven
Even sony has said your xperia services are still all avaliable after a bootloader unlock
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Click to collapse
Thanks, then I will root my phone now, why will you send it for replacement? Whats wrong?
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jahmcr said:
Thanks, then I will root my phone now, why will you send it for replacement? Whats wrong?
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Click to collapse
I have a defective unit with very anoying issues
-gap at the top right
Light leaking through
Big enough to fit a card
-Extreme heat
Not even gaming
Not even use camera
-vibration works on and off
Stops when it wants
-Many others
Too lazy to tell
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Envious_Data said:
I have a defective unit with very anoying issues
-gap at the top right
Light leaking through
Big enough to fit a card
-Extreme heat
Not even gaming
Not even use camera
-vibration works on and off
Stops when it wants
-Many others
Too lazy to tell
Sent from my D6503 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Seeing issues like is making me want to wait until Sony fixes these issues before I pick one up.

Q: How to add recovery to my rooted with stock rom?

I need some help to install recovery of my rooted Sony Xperia Tablet Z SGP 321. I am currently running build 10.5.A.0.230 and I think the bootloader is still locked. I have rooted using towelroot. And I want to continue with stock rom but need a recovery for this. Any help or link please.
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meswar said:
I need some help to install recovery of my rooted Sony Xperia Tablet Z SGP 321. I am currently running build 10.5.A.0.230 and I think the bootloader is still locked. I have rooted using towelroot. And I want to continue with stock rom but need a recovery for this. Any help or link please.
Click to expand...
Click to collapse
Use Nut's XZDualRecovery
Today there is a notification for system update from Sony. Can I update after root?
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meswar said:
Today there is a notification for system update from Sony. Can I update after root?
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Click to collapse
yes you can, but 95% you will loose root after that. But nothing prevents you from rooting again with towelroot or Easy Root Tool (which is better).

Root and stuff

Hi guys,
I'm an xperia noob here. I came from a Samsung galaxy s3 and an LG G2 and I'm not familiar with modding the xperia phones. I would really appreciate if someone could redirect me to the latest root method. If I were to root, do I need to unlock my bootloader? What would I lose if I root? What would I lose if I unlock my bootloader? How do I return back to stock if I need to? I would really be grateful for the replies from you guys!
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I would also like to know because I am considering the z2 now with black Friday sales. Is it easy to root and stay on stock rom? Because I only want root
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romdroid. said:
I would also like to know because I am considering the z2 now with black Friday sales. Is it easy to root and stay on stock rom? Because I only want root
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Click to collapse
Yes it's easy to root with towelroot as I remember, and stock rom is best in my opinion, I never used custom rom on xperia. Only once, but that was stock based custom rom
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electrash said:
Yes it's easy to root with towelroot as I remember, and stock rom is best in my opinion, I never used custom rom on xperia. Only once, but that was stock based custom rom
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Click to collapse
ok nice man so if I buy a brand new xperia z2 today I can root with towelroot even if its on the latest fw?:good:
romdroid. said:
ok nice man so if I buy a brand new xperia z2 today I can root with towelroot even if its on the latest fw?:good:
Click to expand...
Click to collapse
Not quite, but it's still pretty easy. If you're on the 4.4.4 .167 firmware you need to check out this thread: http://forum.xda-developers.com/xperia-z2/general/4-4-4-creating-rooted-update-package-t2933155
sorry my mistake, didnt know for that new firmware. But its still easy to do it, it requres only 10min of your time
Thanks for the newest root method, but what would I lose if I root or unlock bootloader?
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If you only root, you don't loose anything. And with unlocked Bl you will loose warranty if something is wrong with the phone (camera function should be intact)
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Can you update ota when rooted or no?
No, you must manualy update it with flashtool or unroot phone
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Unroot and undo any changes at all!
romdroid. said:
Can you update ota when rooted or no?
Click to expand...
Click to collapse
electrash said:
No, you must manualy update it with flashtool or unroot phone
Sent from my C6903 using XDA Free mobile app
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Envious_Data said:
Unroot and undo any changes at all!
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Click to collapse
Sorry to muddy the water but, if all you have done is rooted, many users have upgraded ota from 4.4.2 to 4.4.4 and even retained root.
ghostofcain said:
Sorry to muddy the water but, if all you have done is rooted, many users have upgraded ota from 4.4.2 to 4.4.4 and even retained root.
Click to expand...
Click to collapse
Well yes, but posibility is 100000000:1 to happen like this. That is pure luck.
electrash said:
Well yes, but posibility is 100000000:1 to happen like this. That is pure luck.
Click to expand...
Click to collapse
Either its possible or not, when a number of people on xda have done it I'd say its possible.
So less rephrase my post for clarity, in general OTA Upgrades are not possible on rooted devices, but a number of users have reported successfully performing an OTA upgrades to 4.4.4 on rooted devices without losing root.

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