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[Q] [Problem] Xperia J boot loop

Today out of the blue my Xperia J was self switched off and when I tried to start it - it restarts before finishing booting.
6 months since I have it and I never had this problem.
The firmware is JB 11.2.A.0.21 rooted with locked bootloader. and 32 GB microSD card for Internal Memory.
Any advice how to proceed ?
thanks.

Bootloop? Have you tried pc companion - repair?
Sent from My Awesome Paradox ST21i

If you haven't had any problems since you got this phone, then you should definately try to repair it with PC Companion, as the mate aboce said. It shouldn't normally occur if you haven't done anything to it, especially unlocking bootloader or doing other fancy stuff to it.

help!
sLaughteRguy said:
If you haven't had any problems since you got this phone, then you should definately try to repair it with PC Companion, as the mate aboce said. It shouldn't normally occur if you haven't done anything to it, especially unlocking bootloader or doing other fancy stuff to it.
Click to expand...
Click to collapse
guys, i just installed chainfire 3d on my mobile(xperia j with jb and rooted)
and it is stuck in the sony logo. i tried flashing the stock rom but no use
plz help me guys! i bought the phone just 2 months back..i've even tried using pc companion and update service, but it says "the phone software is modified"

vignesh_tk21 said:
guys, i just installed chainfire 3d on my mobile(xperia j with jb and rooted)
and it is stuck in the sony logo. i tried flashing the stock rom but no use
plz help me guys! i bought the phone just 2 months back..i've even tried using pc companion and update service, but it says "the phone software is modified"
Click to expand...
Click to collapse
Just flash it to your stock FW using Flashtool

FajarMF28 said:
Just flash it to your stock FW using Flashtool
Click to expand...
Click to collapse
already tried it no use...the device isn't detected on my pc :'( and sometimes it switches on n goes to the bootloop instead of going into flash mode when i'm connecting it to my pc by holding the vol. down button

Can you activate the Flashmode?
---------- Post added at 06:41 PM ---------- Previous post was at 06:34 PM ----------
Last week, my phone get this problem too. Have you installed flashboot and flashmode drivers in Flashtool?

hi guys,
I solved my problem with flashing the latest original ROM St26i_11.2.A.0.31_Central Europa.ftf with FLASHTOOL and the phone is working great up to now.
Later I will downgrade it to ICS and root and then flash rooted JB again. But now I want to test it.
So far it runs very smooth and is working great.
I don't know if the 31 update did anything or my previous install was full of apps and tweaks and that why the phone was somehow laggy.
Also I used to have problem with my Plantronics Bluetooth handsfree - it was transferring the call from the handfree to the phone and vice versa wihtout whenever it wants. Right now everything is working great.
The only thing is that the space for apps is too small (2GB) and that it is not rooted. But I will fix this once I see that the phone is stable.

desperate for help
rexxxxx said:
hi guys,
I solved my problem with flashing the latest original ROM St26i_11.2.A.0.31_Central Europa.ftf with FLASHTOOL and the phone is working great up to now.
Later I will downgrade it to ICS and root and then flash rooted JB again. But now I want to test it.
So far it runs very smooth and is working great.
I don't know if the 31 update did anything or my previous install was full of apps and tweaks and that why the phone was somehow laggy.
Also I used to have problem with my Plantronics Bluetooth handsfree - it was transferring the call from the handfree to the phone and vice versa wihtout whenever it wants. Right now everything is working great.
The only thing is that the space for apps is too small (2GB) and that it is not rooted. But I will fix this once I see that the phone is stable.
Click to expand...
Click to collapse
can u pls explain me the steps!! please!! i'm new to android! i haven't been able to use this mobile for more than a month now :'(

Xperia NeoV stuck at sony logo after installing rom

Good afternoon guys.
So,i try to flash my phone but it says i must enable unknown sources and debuging,but this is not possible,since we are stuck on SONY logo.
fastboot says that the device needs to be rooted first.
SEUS says that my phone uses the latest software,so nothing there.
Also,im not sure if im flashing my phone the proper way,its been a while since i installed HD.
I used Xperia Ultimate HD 2.0.3
so,any help on booting my device?
If possible,i would like to suggest me a better HD version ( i downloaded 5 ) with the proper kernel version..
thank you in advance.

New firmware update from Sony Today

Hello
I received a new update from Sony today of 18.1MB.
I'm unable to install it due to being on custom kernel/root.
I am just curious if anyone else received it ?
The version number is same as my previous version 15.3A.0.26!
Attachments are for your reference.
UPDATE : I got my exam tomorrow so I will leave it here. I flashed new STOCK ROM and it showed update again via Sony PC companion and Update Centre. However, I am unable to carry forward with this update. I end up receiving an error via PC companion / Update Centre. I have now even formatted my internal memory but still its not helping. I will try to update you by Friday evening after my exam!
Also I have started to notice bugs/ crashes after I reflashed my STOCK rom. I think I will flash again with dump files to see it that helps (I skipped extra data this time in Flashtool)
I clearly understand the new update is 15.3.A.0.27 but I am still trying to figure out why I got this 18MB update which I am not able to flash. I will try to make an FTF file from SONY PC COMPANION UPDATE DUMP that I downloaded. IF that clears it out or brings any improvement, I will certainly update you all!
Update 2 :
Well, I tried reflashing my old FTF (4.2.2) and I still get the same update on PC companion and update centre. However, I can not flash it successfully. I tried everything that I could think to make this work, but I couldnot. Therefore, i think this is some kind of a bug which is showing the update.

Update screen shot

I dont have it... I'm from Philippines... How about you?

Its the same firmware update lol

amnher said:
I dont have it... I'm from Philippines... How about you?
Click to expand...
Click to collapse
aniketroxx said:
Its the same firmware update lol
Click to expand...
Click to collapse
UK sim free C2105
I received the update last time on the day it was launched !

Hnk1 said:
UK sim free C2105
I received the update last time on the day it was launched !
Click to expand...
Click to collapse
what custom kernel are you using?

amnher said:
what custom kernel are you using?
Click to expand...
Click to collapse
I was using STOCK kernel with few mods that I made myself. However, I have reverted back to STOCK and now I am updating my firmware via Sony PC companion! PC companion showed me an update as well !
I think it is bugs fixing update without any firmware number change (or maybe there is )! I will write back to you when I have successfully updated!

Hnk1 said:
I was using STOCK kernel with few mods that I made myself. However, I have reverted back to STOCK and now I am updating my firmware via Sony PC companion! PC companion showed me an update as well !
I think it is bugs fixing update without any firmware number change (or maybe there is )! I will write back to you when I have successfully updated!
Click to expand...
Click to collapse
BUT The new Firmware is. . 27 and even certified by Sony

No update here in India too..

I updated my phone. There are still Screen flickering and moving from phone to sd card bugs. The only changed thing I have seen is play store update.
And also, new update came for album and movies.
Sent from my C2105 using xda app-developers app

saurabh007 said:
No update here in India too..
Click to expand...
Click to collapse
How about the camera?
Sent from my C2105 using xda app-developers app

This isn't update
Hnk1 said:
Hello
I received a new update from Sony today of 18.1MB.
I'm unable to install it due to being on custom kernel/root.
I am just curious if anyone else received it ?
The version number is same as my previous version 15.3A.0.26!
Attachments are for your reference.
UPDATE : I got my exam tomorrow so I will leave it here. I flashed new STOCK ROM and it showed update again via Sony PC companion and Update Centre. However, I am unable to carry forward with this update. I end up receiving an error via PC companion / Update Centre. I have now even formatted my internal memory but still its not helping. I will try to update you by Friday evening after my exam!
Also I have started to notice bugs/ crashes after I reflashed my STOCK rom. I think I will flash again with dump files to see it that helps (I skipped extra data this time in Flashtool)
I clearly understand the new update is 15.3.A.0.27 but I am still trying to figure out why I got this 18MB update which I am not able to flash. I will try to make an FTF file from SONY PC COMPANION UPDATE DUMP that I downloaded. IF that clears it out or brings any improvement, I will certainly update you all!
Click to expand...
Click to collapse
This is just a bug when you use custom kernel's happened to me when i reverted back to my kernel and it started to push updates i tried to update but it failed.
Conclusion revert to stock kernel or any other latest kernel or ignore the update

but I did not get the update, whether it's renewing the kernel?

Navneet Suresh said:
This is just a bug when you use custom kernel's happened to me when i reverted back to my kernel and it started to push updates i tried to update but it failed.
Conclusion revert to stock kernel or any other latest kernel or ignore the update
Click to expand...
Click to collapse
I am getting this update regardless of kernel and flashing FTF. Every time I flash a new FTF file (FTF made by me from my own phone with UK firmware), I always get the update again. However, it always fails with an error.
I think this is a bug as well. It's annoying to see an update on your phone and you have to force close update centre every time!

Hi,
I just got an update to 4.2.2 in Belguim, completely stock apart from being rooted, which apparently i have to redo, since all my root apps have been refused...
edit-camera,album,movies and walkman apps pdated too.

OMG!!!
http://talk.sonymobile.com/t5/Xperia-L/New-firmware-15-3-A-0-27-coming-soon/td-p/467271/page/5
OK??

I got this update weeks ago here in the US. Only firmware updates for Album and Walkman apps.
Sent from my C2104 using xda app-developers app

[Q] Device memory full, any solution?

I'm currently using Sony Xperia L, C2105, android version 4.1.2 firmware 15.0.A.2.17
1)The device memory will full by itself, I didn't download any apps, but the device memory will added by itself. Sometimes, my battery drain very fast and I realize it is cause by an apps call 'mediaserver' (anyone had idea on wat is this apps?), later on,my device memory added again. I done a factory reset,but this situation happen again.
2)Is the latest firmware 15.3.A.1.12 or 15.3.A.0.26 would solve this problem? Anyone had the device memory problem at 4.1.2 version, but later update to 4.2 the problem solve?
3)I download the 15.3.A.0.26 from my phone update center, but after finished loading, it says unable download....so can I download 15.3.A.0.26 from sony PC companion? because it only showing the 15.3.A.1.12 in sony PCC? or is there any other ways to download 15.3.A.0.26?
Pls, can anyone help me? thanks.

mimi99 said:
I
2)Is the latest firmware 15.3.A.1.12 or 15.3.A.0.26 would solve this problem?
Pls, can anyone help me? thanks.
Click to expand...
Click to collapse
Use 1.12 it should fix it.

Joel16 said:
Use 1.12 it should fix it.
Click to expand...
Click to collapse
thanks for ur reply...
did u faced this problem before in the previous firmware?

mimi99 said:
thanks for ur reply...
did u faced this problem before in the previous firmware?
Click to expand...
Click to collapse
Yeah I used to in 2.17, but it got fixed in 0.26, and aswell as 1.12. But I'd suggest the latest one, so go for 1.12

mimi99 said:
I'm currently using Sony Xperia L, C2105, android version 4.1.2 firmware 15.0.A.2.17
1)The device memory will full by itself, I didn't download any apps, but the device memory will added by itself. Sometimes, my battery drain very fast and I realize it is cause by an apps call 'mediaserver' (anyone had idea on wat is this apps?), later on,my device memory added again. I done a factory reset,but this situation happen again.
2)Is the latest firmware 15.3.A.1.12 or 15.3.A.0.26 would solve this problem? Anyone had the device memory problem at 4.1.2 version, but later update to 4.2 the problem solve?
3)I download the 15.3.A.0.26 from my phone update center, but after finished loading, it says unable download....so can I download 15.3.A.0.26 from sony PC companion? because it only showing the 15.3.A.1.12 in sony PCC? or is there any other ways to download 15.3.A.0.26?
Pls, can anyone help me? thanks.
Click to expand...
Click to collapse
Dude I think you should check the LOST.DIR folder in your phone's internal memory.
If it takes a lot of memory, then you can delete it directly.

mimi99 said:
I'm currently using Sony Xperia L, C2105, android version 4.1.2 firmware 15.0.A.2.17
1)The device memory will full by itself, I didn't download any apps, but the device memory will added by itself. Sometimes, my battery drain very fast and I realize it is cause by an apps call 'mediaserver' (anyone had idea on wat is this apps?), later on,my device memory added again. I done a factory reset,but this situation happen again.
2)Is the latest firmware 15.3.A.1.12 or 15.3.A.0.26 would solve this problem? Anyone had the device memory problem at 4.1.2 version, but later update to 4.2 the problem solve?
3)I download the 15.3.A.0.26 from my phone update center, but after finished loading, it says unable download....so can I download 15.3.A.0.26 from sony PC companion? because it only showing the 15.3.A.1.12 in sony PCC? or is there any other ways to download 15.3.A.0.26?
Pls, can anyone help me? thanks.
Click to expand...
Click to collapse
Try to root your device and use some Root App UnInstaller to remove all the bloatware you get along with it.

Wifi won't turn on - Z3 D6653

Hi!
I need help regarding my phone Sony Xperia Z3 D6653 - I followed the procedures properly on how to unlock and root the phone via
http://theunlockr.com/2014/10/08/how-to-root-the-sony-xperia-z3/
and
http://forum.xda-developers.com/z3/orig-development/d66xx-cwm-based-recovery-6-0-4-7-root-t2890116
it went well with no errors at all but after the reboot and flashing SuperSU, the wifi won't turn on anymore, I tried everything in the advanced options on wifi but it didn't make any difference at all, Bluetooth, LTE and Mobile Data Works fine, also tried wiping data (factory reset the thing) but still no dice.. please help... thanks!
Edit:
Even the Wifi hotspot doesn't work, my only option left is to flash it back to stock rom

I have the exact same issue. Followed the same processes and with no funny vibrations or anything but WiFi won't turn on.
---------- Post added at 10:05 AM ---------- Previous post was at 09:10 AM ----------
Fixed for me:
http://forum.xda-developers.com/z3/development/root-stock-kernel-twrp-v01-test-28-09-t2889794
follow those instructions, using the LATEST img file. Works for me.

URGENT
dear KiDCady,
please help me to solve this problem. my WIFI can't turn on after rooting lock bootloader. I've tried to re-flash using other firmware. but the problem seems like did't solve.
best regard,
Chris

dark_blitz falow the link abow your text witch KiDCady provided. I hade same problem! I rooted my sony xperia z3 and after finishing with superSu my wifi and memory card wont work. i tried all sorts tricks, but nathing worked. Then i found this forum and clicked on KiDCady link, and thats fixed my problem - external memory works and wifi works beter then ever! Thanks KiDCady! you saved my day!:good::good::good:

i have the same problem
already follow the link witch KiDCady provided
but its still the same.
now i upgrade my OS using flashtool from kitkat to lollipop
im using Sony Xperia Z3 d6603 Android version 5.0.2 (lollipop)
nothing is happen wifi still unable to TURN ON

kudzjra said:
already follow the link witch KiDCady provided
but its still the same.
now i upgrade my OS using flashtool from kitkat to lollipop
im using Sony Xperia Z3 d6603 Android version 5.0.2 (lollipop)
nothing is happen wifi still unable to TURN ON
Click to expand...
Click to collapse
Do a full reflash of ROM with flashtool. It should fix it.
As i know, kernel handle the wifi, and if something is wrong in kernel this happens.
Since you are lockedbootloader if i am correct, i dont know why it has this behaviour.
But anyway, backup your things, and do Full reflash, let me know.

You said you are unlocked. Flash another kernel and test it.

TheTeslaCoil said:
You said you are unlocked. Flash another kernel and test it.
Click to expand...
Click to collapse
That or wifi module for that kernel.