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Can't update my Xperia J

Greetings. I have received a Sony Xperia J from a friend, and long story short, I had to install a stock ROM from scratch. So I did, and I installed the firmware version 11.0.A.7.5 from Central Europe found in this thread. I installed it with Flashtool and then I rooted my phone with the method seen here.
I have a notification telling me that an update is available, version 11.2.A.0.31, and I tried to do this. I've tried twice, but the installation fails. The download works fine, and the phone starts the installation process. It boots and then reboots again, and when the phone is finally booted a notification telling me that the installation failed.
What could I do? I want to benefit from the update.
Thanks in advance.

Maralagidyne said:
Greetings. I have received a Sony Xperia J from a friend, and long story short, I had to install a stock ROM from scratch. So I did, and I installed the firmware version 11.0.A.7.5 from Central Europe found in this thread. I installed it with Flashtool and then I rooted my phone with the method seen here.
I have a notification telling me that an update is available, version 11.2.A.0.31, and I tried to do this. I've tried twice, but the installation fails. The download works fine, and the phone starts the installation process. It boots and then reboots again, and when the phone is finally booted a notification telling me that the installation failed.
What could I do? I want to benefit from the update.
Thanks in advance.
Click to expand...
Click to collapse
You can't do OTA update if you are rooted. Use XperiFirm (it's in Flashtool) to download 0.31 ftf and flash it.
Good Luck!
Sent from my Xperia M2 using XDA Labs

Dzepar said:
You can't do OTA update if you are rooted. Use XperiFirm (it's in Flashtool) to download 0.31 ftf and flash it.
Good Luck!
Sent from my Xperia M2 using XDA Labs
Click to expand...
Click to collapse
So that's why. Thanks a bunch!

Bootloop and TWRP Probs

Hello,
actually i have big problems with my Xperia XZ.
I want to root it. There for i make the following steps:
1. Unlook Bootloader
2. Install TWRP by fastboot (here is my first problem --> no write permission on /system)
3. Install SuperSu by Chainfire --> flashable
--> Result Bootloop.
So i install Emma (flashtool by Sony) and want to go back to stock. But Emma brings "Unkown Model Picker" and did
not idendifite the phone.
Actually i don´t can start the recovery mode (twrp) --> Don´t know why.
Please help !!!

Buddy_Erz said:
Hello,
actually i have big problems with my Xperia XZ.
I want to root it. There for i make the following steps:
1. Unlook Bootloader
2. Install TWRP by fastboot (here is my first problem --> no write permission on /system)
3. Install SuperSu by Chainfire --> flashable
--> Result Bootloop.
So i install Emma (flashtool by Sony) and want to go back to stock. But Emma brings "Unkown Model Picker" and did
not idendifite the phone.
Actually i don´t can start the recovery mode (twrp) --> Don´t know why.
Please help !!!
Click to expand...
Click to collapse
hello,
if you are in android 7 root is not working
for xz you have to
unlockbootloader
install modified kernel and twrp at the same time
start you phone and restart enter twrp and install su
it works on android 6-0-1 not 7
can you help me how to got emma working with you
i tried to got emma working but all time got error

I´m on Android 6.0.1.
How can i flash the kernel?
I can start twrp. But cannot backup because no write permission to /system.
When comes your problem with emma. on installation?

Buddy_Erz said:
I´m on Android 6.0.1.
How can i flash the kernel?
I can start twrp. But cannot backup because no write permission to /system.
When comes your problem with emma. on installation?
Click to expand...
Click to collapse
Androplus v5
Kernel and twrp
You need to install kernel before twrp
Enter androplus section and see imstructions
For emma
I got error login
Application can't open
I install custumisation and app not workimg it not open
Inturnet off anyivirus nothing open

Had i to compile the kernel or anything else? or is there anything complete to download and flash? It confuse me
actually i download the ftf for stock rom and hope to flash it by flashtool. Actually i only want an functional device.
On emma i didn´t login. I copy the customization.ini to the emma folder.
Furthermore it seems emma is an java application and you need an java runtime.

Buddy_Erz said:
Had i to compile the kernel or anything else? or is there anything complete to download and flash? It confuse me
actually i download the ftf for stock rom and hope to flash it by flashtool. Actually i only want an functional device.
On emma i didn´t login. I copy the customization.ini to the emma folder.
Furthermore it seems emma is an java application and you need an java runtime.
Click to expand...
Click to collapse
If you have ub, open flashtool and flash nougat ftf excluding system.
Relock the bootloader.
Once its done, open sony app and repair the device.
Unlock the bl to get back the camera.

auras76 said:
If you have ub, open flashtool and flash nougat ftf excluding system.
Relock the bootloader.
Once its done, open sony app and repair the device.
Unlock the bl to get back the camera.
Click to expand...
Click to collapse
Ok. Thx.
First what means ub?
I downloaded the latets version find on xperifirm 39.0.A.3.30 (is this nougat?)
What Happend when i Flash all with this ftf?incl System.
Is there a fastboot command to relock bootloader?
What Sony app? Companion or emma?
Thanks.

Buddy_Erz said:
Ok. Thx.
First what means ub?
I downloaded the latets version find on xperifirm 39.0.A.3.30 (is this nougat?)
What Happend when i Flash all with this ftf?incl System.
Is there a fastboot command to relock bootloader?
What Sony app? Companion or emma?
Thanks.
Click to expand...
Click to collapse
Ub-unlocked bootloader.
You need. 327 fw.

Ok. I have ub.
You mean:
Android Nougat arrives on the Xperia XZ (39.2.A.0.327)
Can i Flash the 30 ftf (Download an xperifirm) to Go back to stock?
What Sony App?
Please can You give me more details.
Thx.

Buddy_Erz said:
Ok. I have ub.
You mean:
Android Nougat arrives on the Xperia XZ (39.2.A.0.327)
Can i Flash the 30 ftf (Download an xperifirm) to Go back to stock?
What Sony App?
Please can You give me more details.
Thx.
Click to expand...
Click to collapse
Yes, you can flash. 30 fw.
Sony app-pc companion.

auras76 said:
Yes, you can flash. 30 fw.
Sony app-pc companion.
Click to expand...
Click to collapse
Thanks gor You help.
All in all :
I Flash either fw 30 completly and have Stock 6.0.1
Or i Flash fw 327 without System and Repair with Sony
Companion.
In Both Cases i have to unlock bootloader After flashing
for Camera Function.
Why and when it is required to lock bootloader and
How Can i lock this. ?
Thanks

Buddy_Erz said:
Thanks gor You help.
All in all :
I Flash either fw 30 completly and have Stock 6.0.1
Or i Flash fw 327 without System and Repair with Sony
Companion.
In Both Cases i have to unlock bootloader After flashing
for Camera Function.
Why and when it is required to lock bootloader and
How Can i lock this. ?
Thanks
Click to expand...
Click to collapse
If you want nougat, first flash. 327 fw witch flashtool without system, relock the bootloader, repair witch companion, reboot and when its done the setup, unlock the bootloader.

auras76 said:
If you want nougat, first flash. 327 fw witch flashtool without system, relock the bootloader, repair witch companion, reboot and when its done the setup, unlock the bootloader.
Click to expand...
Click to collapse
Ok. Thanks for all your help.
One last question:
Fastboot command for relock the bootloader?

Buddy_Erz said:
Ok. Thanks for all your help.
One last question:
Fastboot command for relock the bootloader?
Click to expand...
Click to collapse
Just press the blu button in flashtool to relock the bootloader

gregbradley said:
Just press the blu button in flashtool to relock the bootloader
Click to expand...
Click to collapse
Danke
Thanks

it works. Thanks at aall.
I´m on Android 6.0.1. and have ub.
Does OTA working?

Buddy_Erz said:
it works. Thanks at aall.
I´m on Android 6.0.1. and have ub.
Does OTA working?
Click to expand...
Click to collapse
Not with an unlocked bootloader. You need to relock it and be on a firmware from a region that has the OTA released.

gregbradley said:
Not with an unlocked bootloader. You need to relock it and be on a firmware from a region that has the OTA released.
Click to expand...
Click to collapse
Ok. Thanks for answer. Are there any disadvantages
When i Relock BL?
I thought so, because i read something in earlier post
With Camera Not working with relock BL

Buddy_Erz said:
Ok. Thanks for answer. Are there any disadvantages
When i Relock BL?
I thought so, because i read something in earlier post
With Camera Not working with relock BL
Click to expand...
Click to collapse
Yes, but once you have updated via OTA then just unlock it again.

anyone can try if z5 ftf can boot on xz.
i don't have cannection to try.
flash a stock z5 ftf into xz
use ivory root for drm and ta partion
locke the phone
then flash android 6 for xz
then update ota
it should work

Is there a root for Locked Boorloader stock rom?

Hello;
I have just bought new Xperia Z5 , and i want to know if there is a root for the lastest build "376 i think" with out the need to unlock Boot Loader.

Belbol said:
Hello;
I have just bought new Xperia Z5 , and i want to know if there is a root for the lastest build "376 i think" with out the need to unlock Boot Loader.
Click to expand...
Click to collapse
378 is latest
No, no root with locked bootloader

Gewiz said:
378 is latest
No, no root with locked bootloader
Click to expand...
Click to collapse
Thanks for reply.
What about older softwares?

Belbol said:
Thanks for reply.
What about older softwares?
Click to expand...
Click to collapse
Unfortunately also not.

Gewiz said:
Unfortunately also not.
Click to expand...
Click to collapse
Thank you for the answer.

Belbol said:
Hello;
I have just bought new Xperia Z5 , and i want to know if there is a root for the lastest build "376 i think" with out the need to unlock Boot Loader.
Click to expand...
Click to collapse
YES,
if you downgrade zperia x5 and flash pre rooted android 5.1.1 then it is possible
however pre rooted version were created by using prf creators which couldn't support android 6.x.x and later.
p/s I never tried pre rooted xperia stockrom
also if you don't want to use prerooted stockrom of android 5.1.
simply try rooting it with kingroot.
till android 5.1, kingroot were able to find xploit in the system

YasuHamed said:
YES,
if you downgrade zperia x5 and flash pre rooted android 5.1.1 then it is possible
however pre rooted version were created by using prf creators which couldn't support android 6.x.x and later.
p/s I never tried pre rooted xperia stockrom
also if you don't want to use prerooted stockrom of android 5.1.
simply try rooting it with kingroot.
till android 5.1, kingroot were able to find xploit in the system
Click to expand...
Click to collapse
Thank you for your reply.
But the thing that i don't understand is , are the pre rooted firmwares , have the root in the sin files? or separated kernel?

Belbol said:
Thank you for your reply.
But the thing that i don't understand is , are the pre rooted firmwares , have the root in the sin files? or separated kernel?
Click to expand...
Click to collapse
for your reference
https://forum.xda-developers.com/crossdevice-dev/sony/tool-prfcreator-easily-create-pre-t2859904
however this doesn't work on MM
so i never saw further development in this regards

YasuHamed said:
for your reference
https://forum.xda-developers.com/crossdevice-dev/sony/tool-prfcreator-easily-create-pre-t2859904
however this doesn't work on MM
so i never saw further development in this regards
Click to expand...
Click to collapse
Thank you.
But as i understanded , this create a rom as a zip file , so it will need recovery to be flashed.
And you can't install the recovery until your phone is rooted or unlocked bootloader.
So you can't root without unlocking the bootloader.
So do you mean that first i need to root my device with an old software , then update to pre rooted software via recovery?
If yes , then please let me know how to root old software and which version.

Belbol said:
Thank you.
But as i understanded , this create a rom as a zip file , so it will need recovery to be flashed.
And you can't install the recovery until your phone is rooted or unlocked bootloader.
So you can't root without unlocking the bootloader.
So do you mean that first i need to root my device with an old software , then update to pre rooted software via recovery?
If yes , then please let me know how to root old software and which version.
Click to expand...
Click to collapse
again now we have go back in times where xploits were available, during kitkat days everyone had rooted phones since android was not using dmvarity. you could root kitkat easily on locked bootloader and have XDR installed while running andoir 4.4.4 ( i did with my C6602) once you had XDR install (xperia dual recovery) you can reboot your mobile into recovery and can flash pre rooted LP.
now this is GOOD for old days and for information
for you xperia z5 never actually landed on kitkat and LP can be rooted via kingroot. so you will be only able to use rooted z5 on LP only~!
if you wana install prerooted rom without kingroot you will have to first root running LP via kingroot, install xdr and flash again LP (clean flashing)
so on looked bootloader you dn't have much options!

YasuHamed said:
again now we have go back in times where xploits were available, during kitkat days everyone had rooted phones since android was not using dmvarity. you could root kitkat easily on locked bootloader and have XDR installed while running andoir 4.4.4 ( i did with my C6602) once you had XDR install (xperia dual recovery) you can reboot your mobile into recovery and can flash pre rooted LP.
now this is GOOD for old days and for information
for you xperia z5 never actually landed on kitkat and LP can be rooted via kingroot. so you will be only able to use rooted z5 on LP only~!
if you wana install prerooted rom without kingroot you will have to first root running LP via kingroot, install xdr and flash again LP (clean flashing)
so on looked bootloader you dn't have much options!
Click to expand...
Click to collapse
Thank you for explanation.

How to install recovery after kingroot then? Thanks

OTA update while rooted and recovery

Hello guys,
Im on .235 now rooted with Magisk and TWRP recovery. I also have the fixed kernel. Can I run the official OTA update?

no

I am interested in data recovery plan , but i don' t like the root program

Any Sony smartphone with unlocked bootloader won't get OTA update. Not even with Xperia Companion.

CAE_ said:
Any Sony smartphone with unlocked bootloader won't get OTA update. Not even with Xperia Companion.
Click to expand...
Click to collapse
Can I download the ROM from the Carrier and flash by myself?

Xperia D2303 firmware 18.3.C.0.37

I need install firmware 18.3.C.0.37 to my Xperia D2303 because after this, i can unlock bootloader. I try to found the firmware 18.3.C.0.37 but nothing!!!
Anyone can help me?
Kind regards

astrolavos said:
I need install firmware 18.3.C.0.37 to my Xperia D2303 because after this, i can unlock bootloader. I try to found the firmware 18.3.C.0.37 but nothing!!!
Anyone can help me?
Kind regards
Click to expand...
Click to collapse
I have the same problem. I think you can't install any firmware without the bootloader unlocked.

Robert Steed said:
I have the same problem. I think you can't install any firmware without the bootloader unlocked.
Click to expand...
Click to collapse
you can unlock the bootloader on latest version, you don't need to be on 0.37 firmware.
edit: but if you want to install anyway i uploaded it to my drive:
https://forum.xda-developers.com/xp...303-generic-18-3-c-0-40-t2929990/post81588107

JuniorCaesar said:
you can unlock the bootloader on latest version, you don't need to be on 0.37 firmware.
edit: but if you want to install anyway i uploaded it to my drive:
https://forum.xda-developers.com/xp...303-generic-18-3-c-0-40-t2929990/post81588107
Click to expand...
Click to collapse
Thanks very much. I also have a Singapore version of the ROM. On the Sony bootloader unlocking page it says "Important note! In order to unlock your Xperia™ M2 you need to be on software version 18.3.C.0.37". I haven't attempted to go ahead with it anyway.
Do you have drivers that work? I can't get any PC nor FlashTool to recognise the M2! (FlashTool doesn't include M2 drivers.) Do you know how I could install the ROM? I want to do so anyway regardless of unlocking the bootloader because I gather the Android 4.4 ROM is faster than the laggy 5.1.1 one currently installed on my M2.

Robert Steed said:
Thanks very much. I also have a Singapore version of the ROM. On the Sony bootloader unlocking page it says "Important note! In order to unlock your Xperia™ M2 you need to be on software version 18.3.C.0.37". I haven't attempted to go ahead with it anyway.
Do you have drivers that work? I can't get any PC nor FlashTool to recognise the M2! (FlashTool doesn't include M2 drivers.) Do you know how I could install the ROM? I want to do so anyway regardless of unlocking the bootloader because I gather the Android 4.4 ROM is faster than the laggy 5.1.1 one currently installed on my M2.
Click to expand...
Click to collapse
no problem. if i remember correctly the bootloader unlock page was last updated on late 2014 so that note targeted people who used 4.3 jelly bean at the time. you can unlock bootloader on 0.182.
flashtool includes m2 drivers, you need to install Fastboot and Flashmode drivers. also if you are using Windows 8 and above, you need to disable driver signature check (google it). to install stock roms, this device's forum has plenty of guides. do a little research )
also you don't need to unlock your bootloader to install stock and stock based roms (such as Z5 Style, EagleExperience etc.). if you want to install custom roms (Lineage, RR, etc.) you need to unlock bootloader.

JuniorCaesar said:
no problem. if i remember correctly the bootloader unlock page was last updated on late 2014 so that note targeted people who used 4.3 jelly bean at the time. you can unlock bootloader on 0.182.
flashtool includes m2 drivers, you need to install Fastboot and Flashmode drivers. also if you are using Windows 8 and above, you need to disable driver signature check (google it). to install stock roms, this device's forum has plenty of guides. do a little research )
also you don't need to unlock your bootloader to install stock and stock based roms (such as Z5 Style, EagleExperience etc.). if you want to install custom roms (Lineage, RR, etc.) you need to unlock bootloader.
Click to expand...
Click to collapse
Thanks again for the info. I did install Fastboot and Flashmode drivers as per the tutorial on this site I was following, but FlashTool didn't recognise the M2 on Windows XP nor 7 let alone 10 (I have a lot of old PCs!). I'll try a different USB cable.

Robert Steed said:
Thanks again for the info. I did install Fastboot and Flashmode drivers as per the tutorial on this site I was following, but FlashTool didn't recognise the M2 on Windows XP nor 7 let alone 10 (I have a lot of old PCs!). I'll try a different USB cable.
Click to expand...
Click to collapse
oh that's unfortunate, i'll install flashtool today and report back to you. maybe recent versions of flashtool broke compatibility with m2 (if so, i'll also upload the version that is compatible with m2)
edit: flashtool 0.9.26 detects my phone without a problem
Sent from my X Compact using XDA Labs