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[Solved] Xperia T won't boot

My Xperia won't boot since yesterday, i'm stuck on the screen with the triangle with a wrench and a screwdriver. I saw some threads where they said you should wait, but it's been like this for the last 15 hours or something. I have tried searching for a solution but couldn't find a solution. The phone has the latest stock Jelly Bean firmware and is not rooted, any ideas how to fix this?
Edit: Sorry wrong section

Re: [Q] Xperia T won't boot
Try to turn it off. And flash FW via flashtool.

XL_ said:
Try to turn it off. And flash FW via flashtool.
Click to expand...
Click to collapse
I don't really like that i first have to unlock the bootloader to do that. I have this phone only a few weeks so i can just get a new one from my carrier but that takes a lot of time. Is it possible to repair it with the Sony PC companion or ADB?

Re: [Q] Xperia T won't boot
Just plug it in and leave it, it's repairing itself.
If you keep turning it on or off it starts again.
As an aside you don't need to unlock to use flashtool.
If you can't wait then download and flash the same version with flashtool or use a pccompanion, repair option. If you won't wait you need to format data
Sent from my LT30p using Tapatalk 2

mpiekp said:
Just plug it in and leave it, it's repairing itself.
If you keep turning it on or off it starts again.
As an aside you don't need to unlock to use flashtool.
If you can't wait then download and flash the same version with flashtool or use a pccompanion, repair option. If you won't wait you need to format data
Sent from my LT30p using Tapatalk 2
Click to expand...
Click to collapse
The 15 hours i described was without turning it off and on, can it really take that long?

Re: [Q] Xperia T won't boot
Hold vol up and power until you feel the three vibrations, run pccompanion without the phone connected, choose the software repair option, connect phone when instructed, do not power up the phone before or you'll be straight back to the tools screen.
Sent from my LT30p using Tapatalk 2

mpiekp said:
Hold vol up and power until you feel the three vibrations, run pccompanion without the phone connected, choose the software repair option, connect phone when instructed, do not power up the phone before or you'll be straight back to the tools screen.
Sent from my LT30p using Tapatalk 2
Click to expand...
Click to collapse
Thanks alot, that fixed it, getting my data back is easier than waiting for someone from Sony to repair my phone.

[Help!] Totally stock Xperia Z keeps rebooting

Hi guys,
Just some background.
I bought my Xperia Z on . It was all good. I did not root or meddle with anything. It is pure stock.
Then suddenly, today while browsing using chrome, it just hangs and goes black.
I rebooted it but then once it get to the lock screen, it will hang again and reboot itself again. This goes on and on.
I then did a hardware reset. Hold Power and Vol Up for more than 15 seconds. The device vibrated 3 times. I booted it up again and the reboot cycle continues. Whenever it gets to the lockscreen, it will hang and reboot itself again.
Any one else having this problem?

Use pc companion to repair the phone.
Could be an application you have install.
Sent from my C6603 using xda premium

gm007 said:
Use pc companion to repair the phone.
Could be an application you have install.
Sent from my C6603 using xda premium
Click to expand...
Click to collapse
May I know how to do repair? can point me to a guide please?

Download it and install it and then repair it follow the instructions on screen.
Link in my sig

Soft - bricked my xperia T, need HELP (SOLVED)

Hi guys, this is my first time posting here in xda,
I have a problem with my xperia T, it boot loops (starts up by showing the manufacturer logo, then shuts down, then starts up again)
and i didnt unlock my bootloader, and i didnt install CWM, no backups either
I only rooted the phone for the sake of chainfire, and when i installed it, it asked me to restart the phone and from there on the problem started.
I tried fastboot mode, but after 3-4 secs, the blue light disappears and the phone starts boot looping again,
I need help from you guys,
thanks y'all in advance

Use pc companion to restore your phone
Sent from my LT29i using xda premium

SammiSaysHello said:
Use pc companion to restore your phone
Sent from my LT29i using xda premium
Click to expand...
Click to collapse
How do i do that? Sorry, im a newbie..
I think the pc companion cannot restore my phone since it cant recognize it. It starts up, then it shuts down after 3-4 secs
Also i dont see a back up and restore menu on my pc companion,

hawejiedm said:
How do i do that? Sorry, im a newbie..
I think the pc companion cannot restore my phone since it cant recognize it. It starts up, then it shuts down after 3-4 secs
Also i dont see a back up and restore menu on my pc companion,
Click to expand...
Click to collapse
then download the xperia T firmware, and use flashtool to flash the ftf onto your phone

Look in the all in one thread, there you'll find everything you need.
Sent from my LT30p, 4.1.2 stock, DooMKernel v5,root access, unlocked bootloader.

SammiSaysHello said:
then download the xperia T firmware, and use flashtool to flash the ftf onto your phone
Click to expand...
Click to collapse
the flash tool ended and it says "please unplug and start your phone" but my phone does not start at all, as i keep pressing the power button
a red light keeps on blinking,is that normal?

hawejiedm said:
the flash tool ended and it says "please unplug and start your phone" but my phone does not start at all, as i keep pressing the power button
a red light keeps on blinking,is that normal?
Click to expand...
Click to collapse
I would think that it would be the battery? give it a 10 minute charge and see if it starts

you do not need to turn your phone on for pccomapnaion to work.
Run pccompanion and run the software update and choose repair.
Only connect the phone when it prompts you

SammiSaysHello said:
I would think that it would be the battery? give it a 10 minute charge and see if it starts
Click to expand...
Click to collapse
Thanks!! now my phone booted up ) i knew i came to the right place,
i'll hit the thanks button

[Q] Xperia Z1 Hard Brick

I have a xperia z1 I tried to flash 4.1 RomAur I made ​​a mistake I did not install LB-krabappel2548 [NUT] I installed directly Kernel and baseband .290 c6903 suddenly the phone fall directly death I searched the net I found that this problem is hard brik
I put my phone was the only load the LED flashes red and after a period it is not statabilse display I tried to put it in the PC to flash with flashtool but I have not succeeded because under load I leave for a long time still the same problem please help me because I could not stand this problem

Get into waiting line man, there are at least 30 other helpless people with Bricked Z1's.
Btw, why Red?

momo-infos said:
I have a xperia z1 I tried to flash 4.1 RomAur I made ​​a mistake I did not install LB-krabappel2548 [NUT] I installed directly Kernel and baseband .290 c6903 suddenly the phone fall directly death I searched the net I found that this problem is hard brik
I put my phone was the only load the LED flashes red and after a period it is not statabilse display I tried to put it in the PC to flash with flashtool but I have not succeeded because under load I leave for a long time still the same problem please help me because I could not stand this problem
Click to expand...
Click to collapse
Instead of flashing, have you tried using Sony PCCompanion to reset the whole phone?
Sent from my C6903 using Tapatalk

TagEHeuer said:
Instead of flashing, have you tried using Sony PCCompanion to reset the whole phone?
Sent from my C6903 using Tapatalk
Click to expand...
Click to collapse
the problem that the phone can not start when I try and place it in the pc for flaher with flashtool it says nothing except red LED flashes I could not when I press power and Vol + it vibrates 3 ​​times but nothing to report changes nothing

TagEHeuer said:
Instead of flashing, have you tried using Sony PCCompanion to reset the whole phone?
Sent from my C6903 using Tapatalk
Click to expand...
Click to collapse
ruinkhan said:
Get into waiting line man, there are at least 30 other helpless people with Bricked Z1's.
Btw, why Red?
Click to expand...
Click to collapse
yes my friend i don't no why LED red flashes and I see no soltion for hard brick Xperia Z1 I contacted a few friends they told me that you would expect when the integration in the Box JITAG to repair the boot

connect the phone to a wall charger > press and hold power & volume up for 10 or 15 seconds > let it charge for 3 hours > after 3 hours > press and hold power & volume up for 10 seconds
p.s u can write in black to red is for attention...

[Q][C6602] Kind of a bootloop

Good evening everyone,
I'm having an issue with my C6602 lately, I updated it to latest firmware through OTA, a day later, it just wouldn't boot up and got really hot.
I tried flashing another firmware with flashtools, succeded, but then, whenever I turn it on, I have 5 seconds max, and it reboots (unless I turn the screen off, this way it'll work, but will eventually reboot if I turn on the screen.)
I looked in the forums, and tried most of the solutions, I even reset it using sony companion.
Now I'm stuck with kind of a brick, the phone doesn't turn on, but if I plug it to a wall, it boots up, but gets stuck on lock screen (irresponsive), reboots after a while, gets stuck, reboots, then gets stuck for as long as I keep it plugged in, then turns off as soon as I unplug it and starts bootlooping until battery dies.
Anybody got any idea ? Please do ask if you need any more details.
Thanks in advance.

Before you updated you was also on stock ROM?
So flashtool recognize your phone without problems?
Gesendet von meinem C6603 mit Tapatalk

gripfly said:
Before you updated you was also on stock ROM?
So flashtool recognize your phone without problems?
Gesendet von meinem C6603 mit Tapatalk
Click to expand...
Click to collapse
Yes, phone is recognized by flashtool, now the issue is as follow (edited the first post too).
Phone doesn't turn on, but if I plug it to a wall, it boots up, but gets stuck on lock screen (irresponsive), reboots after a while, gets stuck, reboots, then gets stuck for as long as I keep it plugged in, then turns off as soon as I unplug it and starts bootlooping until battery dies.

Before you updated you was also on stock ROM?
Click to expand...
Click to collapse
Try to repair with Sony Update Service(SUS).

gripfly said:
Try to repair with Sony Update Service(SUS).
Click to expand...
Click to collapse
If I remember well, the phone must reach 50% battery to be repaired with SUS, but this just wouldn't happen, when the phone gets stuck on lock screen, it gets really hot, and even if I let it sit there for an hour, the battery percentage won't change much. I'll try it again anyway, there is no other method than SUS ?
Edit: It says I have the latest version installed

Huntex said:
I'll try it again anyway, there is no other method than SUS ?
Edit: It says I have the latest version installed
Click to expand...
Click to collapse
Since you get your phone recognized by SUS make sure battery is more than 50% charged and try the repair option.
SUS and flashtool is your friend i guess..

akisg said:
Since you get your phone recognized by SUS make sure battery is more than 50% charged and try the repair option.
SUS and flashtool is your friend i guess..
Click to expand...
Click to collapse
Repair option, hum, I just tried the update thing.
I'll try to leave it plugged for night (and hope it won't blow up), and then try to repair tomorrow.
I'll let you know either way.
Thanks

Huntex said:
If I remember well, the phone must reach 50% battery to be repaired with SUS, but this just wouldn't happen, when the phone gets stuck on lock screen, it gets really hot, and even if I let it sit there for an hour, the battery percentage won't change much. I'll try it again anyway, there is no other method than SUS ?
Edit: It says I have the latest version installed
Click to expand...
Click to collapse
And if it stucks on lock screen, does it turn off if you hold power and volume up(12 seconds i thought you have to hold the combination, it have to vibrate 3 times)?

gripfly said:
And if it stucks on lock screen, does it turn off if you hold power and volume up(12 seconds i thought you have to hold the combination, it have to vibrate 3 times)?
Click to expand...
Click to collapse
Yes it does, then it reboots, then gets stuck again (Sometimes it even gets stuck while there's the wave animation after the xperia logo).

Huntex said:
Yes it does, then it reboots, then gets stuck again (Sometimes it even gets stuck while there's the wave animation after the xperia logo).
Click to expand...
Click to collapse
just download an ftf and flash it via flashtool
open flashtool and connect your phone via usb cable while pressing the volume down button to enter flashmode

Rzr92 said:
just download an ftf and flash it via flashtool
open flashtool and connect your phone via usb cable while pressing the volume down button to enter flashmode
Click to expand...
Click to collapse
As I mentioned before, flashing an ftf didn't fix the bootloops, nor the freezing

Huntex said:
As I mentioned before, flashing an ftf didn't fix the bootloops, nor the freezing
Click to expand...
Click to collapse
If you flashed correctly with flashtool and SUS doesn't help also, I would say there is a hardware problem. Because more or less you can solve every software problem with your phone with a clear flash.
You don't have a recovery, right?
Gesendet von meinem C6603 mit Tapatalk

gripfly said:
If you flashed correctly with flashtool and SUS doesn't help also, I would say there is a hardware problem. Because more or less you can solve every software problem with your phone with a clear flash.
You don't have a recovery, right?
Gesendet von meinem C6603 mit Tapatalk
Click to expand...
Click to collapse
No recovery, no.
Im unrooted, and bootloader is locked, guess I'll have to take it back from where I bought it for a fix, it looks like a hardware problem (leaving the phone plugged for the night didn't change a thing)

Your battery has a problem, anyone would say. Try a fresh FTF install with wiping data. Also try repair. For that you need to charge your phone when it is turned off. And make sure FTF version is newer or at least same with your latest firmware worked fine.