[Q] Root Xperia Tablet Z SGP321 V 4.3 20.4B0.569 - Xperia Tablet Z Q&A, Help & Troubleshooting

Аfter the update to 4.3 I lost root. I tried with Chinese VRoot_1.7.2 and King android root, but does not work. Before updating I rooted with VRoot_1.7.2.
Any idea how to root?

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Unfortunately, I have no answer for you, but as a warning to other people, I will repost a previous post here.
If your current firmware does not have root access, then use the Vroot tool to gain root access. After gaining root access, install SuperSU and turn on its Survival mode and Install SuperSU into /system settings. Make sure the Install SuperSU into /system setting is greyed-out before updating to 4.3 via OTA. Do not update via Sony PC Companion, Sony Mobile Update Service, or by flashing FTF -- doing so will likely cause you to lose root access. That is what happened to many people during the last firmware update. People who had root access with SuperSU installed as described above and updated via OTA, retained root access. People who had root access but updated via Sony PC Companion, Sony Mobile Update Service, or by flashing FTF, lost root access. Luckily, the Vroot tool became available and allowed those people to regain root access. There is no guarantee that the Vroot tool will work with the 4.3 update. Of course, I could be wrong.

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gmg381 said:
Аfter the update to 4.3 I lost root. I tried with Chinese VRoot_1.7.2 and King android root, but does not work. Before updating I rooted with VRoot_1.7.2.
Any idea how to root?
Click to expand...
Click to collapse
Did your vroot 1.7 updated automatically to v1.7.2 ?? mine is trying to update but gets error after a while.. since an hour lets see if it updates successfully to v1.7.2... my model library date is still 130912... I think I'll wait for OTA
Edit**** After many retries I've now landed to V1.7.4... do you guys think I should try to flash and try to root?

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http://forum.xda-developers.com/showthread.php?t=2588442
It works fine, the guide is a little confused, dont need any backup, just follow the procedure and have the files ready

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so basically vroot wont work then?

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Actually I tried a lot of one click roots and they failed. And if u remember super su updates one of them was writen in whats new: If u just updated to 4.3 please reroot ur device again so I think that even the OTA will unroot ur device even if u r using survival mode so I think that some body can root using cmd rooting ways ex: Runme.bat files. I was asking if flash tool can root because I has a root function.
Sent from my SGP311 using xda app-developers app

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dhruvaz said:
Did your vroot 1.7 updated automatically to v1.7.2 ?? mine is trying to update but gets error after a while.. since an hour lets see if it updates successfully to v1.7.2... my model library date is still 130912... I think I'll wait for OTA
Edit**** After many retries I've now landed to V1.7.4... do you guys think I should try to flash and try to root?
Click to expand...
Click to collapse
I have tried Vroot v1.7.3 and v1.7.4 and both failed to root - I used v1.7.3 successfully on the prev firmware version 4.2.2
Any ideas anyone ?

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Yes I know it works fine with 4.2.2. I was asking if I could downgrade my version to 4.2.2 again? I am going to losse every thing on my tablet? Answer please.
Sent from my SGP311 using xda app-developers app

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I found a very easy way to root our tablets but we need unlocked bootloader here is the link :
http://forum.xda-developers.com/showthread.php?t=2590602
My question is if i relocked the bootloader I will lose my root?
If for those who have wifi models to know if it is allowed to unlock ur bootloader do the following steps:
1. Open ur contacts
2. Press the three dots and select settings
3. Hold for 5 seconds in the blank over the status bar like that:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
4. A button will appear press on it:
5. Enter the service code *#*#7374823#*#*
6. Now go to sevice info ---> configuration.
7. If it says bootloader unlock allowed: YES then go to Sony Mobile and search for how to unlock the bootloader or there is another way to unlock the bootloader using flashtool but I didnt try it. I dont know if I can post the link or not. Before I forget if bootloader unlock allowed: No dont do any thing just wait until there is a way to root ur tablet like one click root software or rooting toolkits like Doomlord one.
Plz answer my question: if i relocked the bootloader I will lose my root?
Sent from my SGP311 using xda app-developers app

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Miro24h said:
I found a very easy way to root our tablets but we need unlocked bootloader here is the link :
http://forum.xda-developers.com/showthread.php?t=2590602
My question is if i relocked the bootloader I will lose my root?
If for those who have wifi models to know if it is allowed to unlock ur bootloader do the following steps:
1. Open ur contacts
2. Press the three dots and select settings
3. Hold for 5 seconds in the blank over the status bar like that:View attachment 2499871
4. A button will appear press on it:View attachment 2499873
5. Enter the service code *#*#7374823#*#*
6. Now go to sevice info ---> configuration.
7. If it says bootloader unlock allowed: YES then go to Sony Mobile and search for how to unlock the bootloader or there is another way to unlock the bootloader using flashtool but I didnt try it. I dont know if I can post the link or not. Before I forget if bootloader unlock allowed: No dont do any thing just wait until there is a way to root ur tablet like one click root software or rooting toolkits like Doomlord one.
Plz answer my question: if i relocked the bootloader I will lose my root?
Sent from my SGP311 using xda app-developers app
Click to expand...
Click to collapse
I followed that guide and I rooted successfully mine SGP311 unlocking my bootloader!!! After the root procedure I relocked my bootloader and I didn't lost root!!! I used fastboot program to unlock and relock the bootloader!!!!

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For me I unlocked the bootloader using flashtool It just reformatted my tablet to factory reset with unlocked bootloader. When I rooted my tablet like the guide I have put my tablet was reset to factory again thanks to God I have a backup before I had updated my tablet to 4.3.
Sent from my SGP311 using xda app-developers app

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I just got OTA now but I cant install it I've tried many times still nope.... I've tried disabling SU still no success...

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The easiest way to root is unlocking bootloader as the link I have put but I dont know if I have the permission to put external link for unlocking bootloader. There is another way but hard and looks dangerous and boring ( u have to downgrade then upgrade then root. Looks dangerous and complicated)
Sent From SGP311
Android OS: 4.3
Root Status: Rooted
Bootloader: Unlocked
Build Number: 10.4.B.0.577
Other Devices: MT27i

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OK So Solution?
OK So Solution?
I have same problem, my bootloader is unlocked and i've tried every way possible to try root

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http://forum.xda-developers.com/showthread.php?p=48904376
Sent from my C6603 using xda app-developers app

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gmg381 said:
Аfter the update to 4.3 I lost root. I tried with Chinese VRoot_1.7.2 and King android root, but does not work. Before updating I rooted with VRoot_1.7.2.
Any idea how to root?
Click to expand...
Click to collapse
for me also didn't work -we have to wait a while

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Vaggelis AsKyE said:
I followed that guide and I rooted successfully mine SGP311 unlocking my bootloader!!! After the root procedure I relocked my bootloader and I didn't lost root!!! I used fastboot program to unlock and relock the bootloader!!!!
Click to expand...
Click to collapse
the reight code is *#*#7378423#*#* :angel:

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deo777 said:
for me also didn't work -we have to wait a while
Click to expand...
Click to collapse
I did not wait.
Make backup and use
http://forum.xda-developers.com/showthread.php?t=2588442
and 4.3 is on my Sony

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gmg381 said:
I did not wait.
Make backup and use
http://forum.xda-developers.com/showthread.php?t=2588442
and 4.3 is on my Sony
Click to expand...
Click to collapse
Actually I tried but problem on my case is that I have docomo version whit 32 gb and doesn't matter What I try in the end I have android 4.3 whit root but only 16 rom in my lte tablet, that's Why for now I prefer to wait a while because I prefer to have 32 internal not 16 is not huge deal I also have 32 gig sd card but still I pay fow that extra memory and I want nto have it. Thanks man and have a great day
---------- Post added at 01:01 PM ---------- Previous post was at 12:53 PM ----------
And now whit a lot a work whit flashtool and maybe 6 hours flashing software. I finally have android 4.3 and 32 internal only problem is that I don have root ror now...but I believe soon Chinese Vroot will work

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gmg381 said:
I did not wait.
Make backup and use
http://forum.xda-developers.com/showthread.php?t=2588442
and 4.3 is on my Sony
Click to expand...
Click to collapse
Did you start with 4.3 and downgrade, or can you simply root the 4.3 without downgrading? I have 4.3 installed and it seems like a hassle to downgrade to 4.1.2, root, upgrade to 4.3. Which may not even be possiple, because I used sony companion tool to upgrade to 4.3?