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[Q] problems with xperia T

presented Xperia T. brought from Anglii.obnovil to android 4.1.2 phone reboots often when working with him! new phone. Day 3 I bought. on firmware 4.0.4 phone works well. but how would I want to see on the Internet 4.1.2 reports that people have upgraded the phone and it also rebooted and after a while just stops included. what could it be? What to do? skychas is the last, the firmware on it and then all the problems

I am not entirely sure what all your post means (Bad google translate?)
However, my advice is to repair your phone using pccompanion.

gregbradley said:
I am not entirely sure what all your post means (Bad google translate?)
However, my advice is to repair your phone using pccompanion.
Click to expand...
Click to collapse
Hey i also have the same problem with my Xperia T [LT30p]. I just got the phone when 4.1.2 was already released so i installed it immideatily. But now it is very frustrating because the phone randomble reboots, i just factory resetted it and it was normal for 1 minute and then an reboot.

I made a stock attached to 3, and so far no reboot
Sent from my LT30p using xda premium

gregbradley said:
I am not entirely sure what all your post means (Bad google translate?)
However, my advice is to repair your phone using pccompanion.
Click to expand...
Click to collapse
pc companion does not help, I did everything I could, I downloaded all the firmware and flasher

Hi!
I also have the same problem with Xperia T. The phone keeps restarting many times daily. After rebooting It loses very offen sim-card and wi-fi function. 1 month ago it was flashed to 9.1.A.0.489 by PC Companion.
I tried and it doesn't work:
- flashing again 9.1.A.0.489 with PC COMPANION and SUS
- flashing again 9.1.A.0.489 with Flashtool
- flashing 9.1.A.0.492
- back to 7.0.A.3.197
- [TWRP]Stock Kernel on 9.1.A.0.489
Any idea?

i found a new thing. The phone is stable in "flight" mode.

[Q] c6903 xperia z1 : can't update to 4.3

Hi guys, I pre-ordered an xperia z1 on the Sony official store.
I think it is no brand phone, so isn't normal that the update to 4.3 is not arrived on my phone (the update roll out since 16 December).
I wrote because when I bought the phone I Immediately had some problems (freezing, anomal reboots) and the device didn't received any system update (from 4.1 to 4.2).. So I did a Factory reset and immediately I saw the update and many problems were solved.
I don't want to do a Factory rest every time there is an update! Can anyone help me? For Italian guys, did you receive the update?

First of all, Z1 NEVER got 4.1
Second, you don't have to factory reset, I have the global firmware and I still haven't received the update yet.
Regards,
~J2C

next time you should try the Sony Companion application, but if the problem persists I can't help you

That is strange.
I flashed my bell Canada z1 to an unbranded version of 4.2 and I was then able to get an ota update of 4.3.
What revision of os do u currently have?

Random reboots

Hi. I hate this phone.
After three months since I got it, one day it turned off by itself and never turned on again. I sent it to customer care in the store where it came from, and they changed the battery. The moment I got home, the phone had the same problem. So I tried Sony PCC to repair it. It turned on, I installed some apps and suddendly it turned off again. I suspected it was because I deactivated bravia engine, but I'm not so sure that's the problem. Anyway, I decided to downgrade to Android 4.1 version .254 with root. Now the phone seems to be working. But sometimes it just reboots by itself. It happened once when I was scrolling Facebook, and twice when I was using Chrome. It just reboots and restars like nothing happened.
Is this a Ram problem? I can't put the latest firmware because the phone doesn't work AT ALL with it. What can I do?

Hi. Try to flash 254 fw with flashtool. It could help.

Flash the latest FTF via Flashtool

I have quite similar issue on my Xperia SP (random reboots). I have latest official rom installed via PCC.
Try switching off Stamina Mode and see if it keeps happening. It seems to work in my case.

issues with Xperia Z c6603, please help

Hey guys,
I bought a new xperia z c6603 few day ago, everything was working fine until I discovered some issues few days ago:
First: I can't do the lollipop update, I have even tried to install it with flashtool it still doesn't work.
Second: the front camera doesn't work at all.
Third: when I use android kitkat the nfc doesn't work and everytime I turn the phone on I receive a message concerning NFC Firmware Update Error (000004), but when it runs on andorid jelly bean 4.3 I don't receive the error message and the nfc works perfectly.
I have tried everything (Flashing the device with flashtool, doing a factory reset, trying to repair to software with pc companion) nothing works.
I thank you in advance for helping me and I apologise if i did any grammatical mistake .

Sony Xperia C6603 auto reboot

I have a problem that my phone automatically reboots itself everytime my mobile data is on even when it's not overheated. My phone is using android 5.0.2 build number 10.6.A.0.454 (HK version), kernel 3.4.0-perf-g8fa3dae that comes with it, and it was rooted.
This problem only happens since I update to 4.4.4 or later versions. It never happened on 4.3 (originally installed on the phone).
Anyone got the same problem or any solution for this?

Did you try to wipe data/cache/dalvik?
did you try to fix permissions?
both with recovery

khoale1802 said:
I have a problem that my phone automatically reboots itself everytime my mobile data is on even when it's not overheated. My phone is using android 5.0.2 build number 10.6.A.0.454 (HK version), kernel 3.4.0-perf-g8fa3dae that comes with it, and it was rooted.
This problem only happens since I update to 4.4.4 or later versions. It never happened on 4.3 (originally installed on the phone).
Anyone got the same problem or any solution for this?
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I am having the same problem, it's rebooting it self only and one thing i measured which is actually strange that while it is under charging then it does not reboot itself so what should be the problem??
Help me to sort out this ASAP.

I had also that issue recently. After so much rom flashing i decided to try to replace the battery and it worked. Just try to replace battery may be that wil also work for you guyz.