Database Develop

[Q] Bricked? Or dead? Please help...

Hi, I wonder if anyone can help me.
I have an Incredible S with Virtuous Quattro installed. I did that 3 weeks ago. Since then I experienced 4 freezes and the buttons (although working) didn't light up at all or just flickered. But this is not the problem, I just mention this in case it is relevant.
I put the phone last night on the charger and realized this morning that the screen was frozen again, I removed the battery and reinserted it. The phone seems to start (vibrates and when connected to the PC it also tells me it loads the driver) but nothing else happens. No screen output at all. I tried now umpteen times, removed battery and tried to press power button whilst holding the vol up button, all to no avail.
Do you have any idea?

Try volume down + power ..

aditya. said:
Try volume down + power ..
Click to expand...
Click to collapse
Tried that but phone doesn't react at all, doesn't even vibrate as it does when pressing vol up + power or power alone :crying:
But thanks for getting back!

Is ADB working? You can't enter the bootloader?
Some have had success leaving the battery out for a while, and then putting it back in and turning it on
Not saying it WILL work, just a suggestion
And I'll try not to scare you, but it is actually is possible that you fried your eMMC chip pulling your battery Seems to have happened a few times on Desire S and Incredible S :/

markj338 said:
Is ADB working? You can't enter the bootloader?
Some have had success leaving the battery out for a while, and then putting it back in and turning it on
Not saying it WILL work, just a suggestion
And I'll try not to scare you, but it is actually is possible that you fried your eMMC chip pulling your battery Seems to have happened a few times on Desire S and Incredible S :/
Click to expand...
Click to collapse
Thanks for that, I think the latter is what happened, the phone just doesn't do anything. I think it is time to bin it and to get something else

marco21st said:
Thanks for that, I think the latter is what happened, the phone just doesn't do anything. I think it is time to bin it and to get something else
Click to expand...
Click to collapse
Before you bin it, perhaps take it to HTC and tell them it has stopped working, and that it happened when you were charging (which is true)
If they can't turn it on, they can't see it is s-off
and will replace the motherboard
IMHO doing a battery pull at the wrong time is all you did mate, its HTC's fault for using faulty eMMC chips. Doing a battery pull is not voiding warranty as AFAIK
Is it under warranty? If it is, then its worth a try instead of binning a $300 phone with one fried chip

Had the Same issue gave it to hTC they Gave me any entire new Incredible s

Thanks guys, I will give this a go.

I do have the same problem now , its not under warranty , any other way to fix it :crying:

Same but different
Well I have the same issue but only slightly different. I can't access the bootloader nor the recovery mode. I don't know why. I'm currently using cyanogen 7.2. At first when I flashed it,everything was fine. Untill one day,my upper screen(status bar) can't seem to respond to my touches. Day after day it just got worst. Till one day,I my IncredibleS just left me a black screen but there were lights on the 4 buttons(home,back key etc.) I tried using the battery pulling method. Sometimes it works,sometime is doesn't. But even so,my bootloader still persist to show up. I'm a S-ON by the way. Any idea how do I solve this? And yes,my warranty has expired last may. :crying::crying:

Galaxy note wont turn ON.

Hi, I am using a galaxy Note in India and it is about 14 months old. I was working on internet and it freezes in between, so this time it wont even turn off or give any option when I pressed power button so I took the battery off after about waiting for 10 min. Then I turned it back ON It gave me error Encryption Failed Reset your phone.
I again tried to restart the phone, Still the same error. I again tried to restart and this time it wont even start Nothing happen just a dead screen.
1. Battery charge is full
2. it wont turn on and when pressing vdown + middle button + power button nothing happens just black screen always.
3. Taken the battery off number of times and then also tried, No Luck.
4 Even the computer wont even recognize it.
Its just a Dead Screen no movement in screen tried all possible step No luck , it all happened suddenly.
Its just the same as it came from company (No Root not even opened its just like new phone.)
Not able to understand what can be the issue, Please help..!!!!
Thanks
Ankush

Ankush911 said:
Hi, I am using a galaxy Note in India and it is about 14 months old. I was working on internet and it freezes in between, so this time it wont even turn off or give any option when I pressed power button so I took the battery off after about waiting for 10 min. Then I turned it back ON It gave me error Encryption Failed Reset your phone.
I again tried to restart the phone, Still the same error. I again tried to restart and this time it wont even start Nothing happen just a dead screen.
1. Battery charge is full
2. it wont turn on and when pressing vdown + middle button + power button nothing happens just black screen always.
3. Taken the battery off number of times and then also tried, No Luck.
4 Even the computer wont even recognize it.
Its just a Dead Screen no movement in screen tried all possible step No luck , it all happened suddenly.
Its just the same as it came from company (No Root not even opened its just like new phone.)
Not able to understand what can be the issue, Please help..!!!!
Thanks
Ankush
Click to expand...
Click to collapse
Ankush bhai.. Take it to service centre
Sent from my GT-N7000 using xda app-developers app

salilpune1 said:
Ankush bhai.. Take it to service centre
Sent from my GT-N7000 using xda app-developers app
Click to expand...
Click to collapse
Its not in warranty ...I am just not able to understand that it was working fine and suddenly its all dead..

Ankush911 said:
Its not in warranty ...I am just not able to understand that it was working fine and suddenly its all dead..
Click to expand...
Click to collapse
On which rom u were?
Try vup+home+power
Sent from my GT-N7000 using xda app-developers app

How are you sure that the battery is good and charged. Normally after one year if the usage is heavy, the chances of battery down happens. So make sure battery is good. Secondly you mentioned volume down button, how about vol up button ie recovery mode?
Sent from my GT-N7000 using xda premium

dsmas said:
How are you sure that the battery is good and charged. Normally after one year if the usage is heavy, the chances of battery down happens. So make sure battery is good. Secondly you mentioned volume down button, how about vol up button ie recovery mode?
Sent from my GT-N7000 using xda premium
Click to expand...
Click to collapse
Yes The battery is fine and fully charged I tried another Note's battery : No Luck
I tried pressing Vol up button as well with the combination : No Luck in that as well.
Got encryption failed error for two time in start up after that its all dead..No luck
I dont know about the ROM its same as it came from samsung..
Not able to understand what can be wrong.

Today, this sudden happen to me. But, my m devices cannot be turn on, charge but screen didnt turn on at all. Did u succesful fix ur device?

looks like u need to replaced a new motherboard.. it looks like SDS syndrome to me.

jasonkhoo87 said:
Today, this sudden happen to me. But, my m devices cannot be turn on, charge but screen didnt turn on at all. Did u succesful fix ur device?
Click to expand...
Click to collapse
This happened to me as well last week. Tried everything but failed.
I did below steps and my phone is up & working
1) Remove the battery and keep it in a dry place for 4-6 hours (Very important step to make this work)
2) Place the battery back into computer and do not turn ON the phone
3) Plug the phone to wall charger and charge the phone for at least an Hour (I kept for 2 Hrs)
4) Remove the charger and gently press the power button for 15 secs
5) This should turn the phone back ON
Above steps helped for me. Let me know if this worked for you also :angel:
Regards,
Israr
---------- Post added at 08:10 PM ---------- Previous post was at 08:04 PM ----------
Ankush911 said:
Hi, I am using a galaxy Note in India and it is about 14 months old. I was working on internet and it freezes in between, so this time it wont even turn off or give any option when I pressed power button so I took the battery off after about waiting for 10 min. Then I turned it back ON It gave me error Encryption Failed Reset your phone.
I again tried to restart the phone, Still the same error. I again tried to restart and this time it wont even start Nothing happen just a dead screen.
1. Battery charge is full
2. it wont turn on and when pressing vdown + middle button + power button nothing happens just black screen always.
3. Taken the battery off number of times and then also tried, No Luck.
4 Even the computer wont even recognize it.
Its just a Dead Screen no movement in screen tried all possible step No luck , it all happened suddenly.
Its just the same as it came from company (No Root not even opened its just like new phone.)
Not able to understand what can be the issue, Please help..!!!!
Thanks
Ankush
Click to expand...
Click to collapse
-------------------------------------------------------------------------------------------------------------------------
Ankush,
In your case I can think of only 2 things
1) If you have CWM installed then
press and hold "Volume UP Key + Power Key + Home Key" all together for 30 secs (may be a min) and see if you get recovery screen
If yes then all is ok & you just need to flash a new ROM
2) If you do not have CWM then
press and hold "Volume Down Key + Power Key + Home Key" all together for 30 secs (may be a min) and see if you get a custom screen
If yes then you can install custom ROM (or original ROM) using ODIN.
Let me know if anything helps you here
Regards,
Israr

khanisrar said:
This happened to me as well last week. Tried everything but failed.
I did below steps and my phone is up & working
1) Remove the battery and keep it in a dry place for 4-6 hours (Very important step to make this work)
2) Place the battery back into computer and do not turn ON the phone
3) Plug the phone to wall charger and charge the phone for at least an Hour (I kept for 2 Hrs)
4) Remove the charger and gently press the power button for 15 secs
5) This should turn the phone back ON
Above steps helped for me. Let me know if this worked for you also :angel:
Regards,
Israr
Click to expand...
Click to collapse
This step kinda weird.. Since I my note never get wet. I hope it will work.. I tried it later.. I dont have much budget to upgadet to Note 3 now. :crying:

Same kind of error
Over the night my phone closed. When I try to open it, on the screen apeared "Insert PIN to decrypt your ~something~ ". I never encrypted my phone so I tried to restart. I got stuck on the samsung logo. Then I removed the battery and put it back in and my device never started again. I have 2 batteries and none of them worked. I can charge the batteries independently and this is not the issue.

sebastost said:
Over the night my phone closed. When I try to open it, on the screen apeared "Insert PIN to decrypt your ~something~ ". I never encrypted my phone so I tried to restart. I got stuck on the samsung logo. Then I removed the battery and put it back in and my device never started again. I have 2 batteries and none of them worked. I can charge the batteries independently and this is not the issue.
Click to expand...
Click to collapse
Have the same problem right now.. did you find a solution eventually?

Same happened to my device today. Had trouble with some apps before. Wanted to play back a two days old backup. But my phone never woke up again. Shut down forever. Never got to recovery. Had the latest cm11 nightly. Now its dead! RIP. My dear friend. We've gone a long way together. Never intended to replace you anytime soon. But I can't be without a Phone. Moving on to Galaxy S5 now. Hope it can fill the gapp.

Same here, completely dead after a reboot. I took it apart but I see no damage or signs of burn damage anywhere on the motherboard or other components. Is there anything I can do to troubleshoot and find out specifically what happened?

i am not sure, mayb the phone is design to last for only certain years, new apps launch make the phone in applicable for be running with latest apps and everything. Or mayb the phone is design with a timer to self destroy its chip or component after specific numbers of days being used??

Xperia Z1 DEAD after updating to latest firmware

I have a c9603 z1 and used the Nordic unbranded ftf to flash my phone. I unticked the three options top right so that nothing would be deleted.
Once the flash was complete, I unplugged the phone around 30 seconds after it finished flashing. Now the phone is completely and utterly dead. No power light from socket or USB
Have tried press and hold vol + power, up and down, press the little reset button..... just lost as to what else to do
Worse thing is, this impatient idiot didn't backup before updating either because I was impatient!

wezzel98765 said:
I have a c9603 z1 and used the Nordic unbranded ftf to flash my phone. I unticked the three options top right so that nothing would be deleted.
Once the flash was complete, I unplugged the phone around 30 seconds after it finished flashing. Now the phone is completely and utterly dead. No power light from socket or USB
Have tried press and hold vol + power, up and down, press the little reset button..... just lost as to what else to do
Worse thing is, this impatient idiot didn't backup before updating either because I was impatient!
Click to expand...
Click to collapse
Try Sony Update Service and follow the steps, press the Volume-down and connect the phone to PC when asked, see if the phone is recognized by the program.

Try flashing again but this time, just untick the "Wipe data" option.

hush66 said:
Try flashing again but this time, just untick the "Wipe data" option.
Click to expand...
Click to collapse
I have the same problem !! PLS HELP !! THE PHONE IS DEAD !! My pc don`t recognize the phone !! no led... the phone not charging! what to do?? help please.

eclyptos said:
Try Sony Update Service and follow the steps, press the Volume-down and connect the phone to PC when asked, see if the phone is recognized by the program.
Click to expand...
Click to collapse
hush66 said:
Try flashing again but this time, just untick the "Wipe data" option.
Click to expand...
Click to collapse
Phone is entirely lifeless ... no LED light, NOTHING
When connect to PC... nothing at all happens, doesn't even pick up the phone!
Have tried VOL + and power
VOL - + power
VOL - and power
Still NOTHING... phone is DEAD

Me too!
wezzel98765 said:
Phone is entirely lifeless ... no LED light, NOTHING
When connect to PC... nothing at all happens, doesn't even pick up the phone!
Have tried VOL + and power
VOL - + power
VOL - and power
Still NOTHING... phone is DEAD
Click to expand...
Click to collapse
Same thing just happened to me. I only unticked wipe date though. As I didn't back up my phone. The other 2 options were ticked. unplugged phone, press power button, and it vibrates but thats it. volume up button and power button, makes the phone vibrate three times. Just put phone on charge, all I get is a blinking red LED light. I thought it was just me. What to do?? I can't afford to lose what is on my phone!

Did you tried the physical reset button under the sim card flap?
Also, you can let your phone charge for some hours, if you see a RED LED after sometime, your phone can be saved!

RHBH said:
Did you tried the physical reset button under the sim card flap?
Also, you can let your phone charge for some hours, if you see a RED LED after sometime, your phone can be saved!
Click to expand...
Click to collapse
yes. I pressed it with a pin. Nothing. I kept it pressed for 10 seconds. Nothing. I see a red light. But its blinking... That's never happened before.Even if the battery has completely died. This is werid...

Iglesias21 said:
Just put phone on charge, all I get is a blinking red LED light.
Click to expand...
Click to collapse
Red LED? maybe it's just a dead battery bro

Iglesias21 said:
Same thing just happened to me. I only unticked wipe date though. As I didn't back up my phone. The other 2 options were ticked. unplugged phone, press power button, and it vibrates but thats it. volume up button and power button, makes the phone vibrate three times. Just put phone on charge, all I get is a blinking red LED light. I thought it was just me. What to do?? I can't afford to lose what is on my phone!
Click to expand...
Click to collapse
After flashing you have to wait long time before he run up. So I don't know how long you just wait after that. I got different problem, I connect the phone via flashtool, I star the flash but the phone turn on by its self and the flash is cancelled. The best thing, nothing happen to my phone. What's that?

If you didnt unlock bootloader and flash something else, Please try sony update service.
I tried rescure a complete coma TX, it struggle a lot to flash (took longer than ususal time) and it evetually boot after 5 flashes with SUS.
Sent from my C6906 using xda app-developers app

eclyptos said:
After flashing you have to wait long time before he run up. So I don't know how long you just wait after that. I got different problem, I connect the phone via flashtool, I star the flash but the phone turn on by its self and the flash is cancelled. The best thing, nothing happen to my phone. What's that?
Click to expand...
Click to collapse
I think this is a problem of wrong connection...sometimes it happens to me

[Fenix] said:
Red LED? maybe it's just a dead battery bro
Click to expand...
Click to collapse
No bro. I'm not too sure. I'm not new to this flashing game. I know what I was doing. Its blinking. that's never happened before. I've left it on charge for 20 minutes now. I can reflash and wipe everything but I have too much important stuff I can't afford to lose. Sudden death issue?? is it back? I will leave it for an hour and go out for a walk. Doing my head in lol. I know it's just a phone but arghhhh. Earlier on I was talking of a fresh start. God literally handed me one on a platter LOL

Iglesias21 said:
No bro. I'm not too sure. I'm not new to this flashing game. I know what I was doing. Its blinking. that's never happened before. I've left it on charge for 20 minutes now. I can reflash and wipe everything but I have too much important stuff I can't afford to lose. Sudden death issue?? is it back? I will leave it for an hour and go out for a walk. Doing my head in lol. I know it's just a phone but arghhhh. Earlier on I was talking of a fresh start. God literally handed me one on a platter LOL
Click to expand...
Click to collapse
BTW if it is the battery after a while the LED should turn orange if left in charge...

[Fenix] said:
I think this is a problem of wrong connection...sometimes it happens to me
Click to expand...
Click to collapse
How can be wrong?

eclyptos said:
After flashing you have to wait long time before he run up. So I don't know how long you just wait after that. I got different problem, I connect the phone via flashtool, I star the flash but the phone turn on by its self and the flash is cancelled. The best thing, nothing happen to my phone. What's that?
Click to expand...
Click to collapse
wait long time before he run up? lol what? The screen does not turn on, clearly I'm not waiting for anything so I'll just let the battery charge for an hour and hope for the best

Iglesias21 said:
wait long time before he run up?(
Click to expand...
Click to collapse
Yes, it's also describe on every custom rom thread. Go check. Leave the phone under charge and get a fresh air. You will solve this.

eclyptos said:
How can be wrong?
Click to expand...
Click to collapse
I would not say stupid things bro but I think the recognition of the phone from flashtool is given by the time you hold down the volume - ... when I do it so fast I have always an error ... then again ... maybe
@Iglesias21
happened to me a similar thing with the old xperia p when I flashed an update ... but I think a flash of this type would not hurt a phone ever so much ... the fact that the computer does not recognize the driver 's I solved it by restarting the pc as I left the phone in the office to charge it thinking it was the fault of the battery ... after retry everything was ok...

[Fenix] said:
I would not say stupid things bro but I think the recognition of the phone from flashtool is given by the time you hold down the volume - ... when I do it so fast I have always an error ... then again ... maybe
Click to expand...
Click to collapse
Ok, let's try again, now I will hold the volume to the beginning of the flash. Is not possible I have to hold the volume all the time.

To people, with bricked Z1 after flashing, what was your battery percentage before the flash? Coz users appear to experience a huge drop in the percentage after the flash. Maybe it emptied your batteries... I don't know, just a suggestion. Hope you can fix it by letting the phone charge for a few hours.

[Q] Xperia T LT30p hard brick (?) without any response from phone.

Hello everybody!
I'm new in this forum, I'm also new in Android "tuning", so I don't actually know, what to do in this situation. Ok, I've read other topics about this, but every other seems lighter than my problem.
Firstofall, I wanted to apologize for my english, but I hope, you could understand me. :fingers-crossed:
So, there is an Xperia T LT30p which has been owned by my girlfriend. She donated it to her mother and so on, so long story short, one day there appeared a key and exclamation mark in a yellow triangle (if I understood it right, I really don't know) and after that it was dead. I plugged it in wall charger - nothing, no vibration, no led, nothing, then waited for some time, nothing changed. Ok, removed the back cover, tested voltage on battery - 3,83V, not so dead, I guess... Then I started to read topics in here, sounds like a hard brick, but how to solve it..? I tried to power it up, nothing (as you expected), also tried every possible key combination (power + vol up, power + vol down, vol up/vol down + USB cable) - nothing at all, no vibration, no leds, nothing on the screen. Yesterday I downloaded PC companion, downloaded Flashtool, tried to connect it to PC, of course no drivers, but got the QHSUSB_DLOAD, so I guess, it's not that dead.
Oh yes, the only way how this phone is responding somehow is when I plug in the USB cable/wall charger with removed battery, then it does one red blink and that's all, nothing else. And that doesn't matter if there is any button pressed.
The main question is - what can I try to do in this situation? Is it fully dead?
I really hope for your answers and suggestions, otherwise, I don't really know what to do with that electronic mess on the table... :fingers-crossed:

Remove the battery and press and hold power and volume up buttons simultaneously. Then plug your phone to computer.
You'll be able to flash a kernel with Fastboot mode in Flashtool that way.
If you have the kernel the phone should boot past sony logo. You may then install whatever ftf you like via Flashtool.
Btw, I have read somewhere that the computer recognizing the phone as qhusb_dload is the result of a broken motherboard. Would make most sense anyway, as the phone was not rooted or anything.
I suggest trying above steps anyway.
Good luck!

The phone is not rooted or something, just a stock Xperia...
Just tried as you said, with removed battery pressed power + vol up simultaneously + USB - nothing, I got one red blink and nothing more, computer makes that ''no driver'' sound and that's all, flashtool doesn't find my device...
No wonder about defective motherboard, but the phone is bought in the summer 13', not so old for a phone... And what could had happened with this phone in just everyday use..?

Maybe overhearing or just bad luck with the motherboard.. Sometimes there is no explanation. :/

Is your phone still under warranty ?

Well, technically yes, but warranty card is hiding somewhere, and the phone is bought in an e-shop, i'm not sure if this shop won't send me a few doors further with my phone and I don't even know if this shop still exists..

Andrams said:
Well, technically yes, but warranty card is hiding somewhere, and the phone is bought in an e-shop, i'm not sure if this shop won't send me a few doors further with my phone and I don't even know if this shop still exists..
Click to expand...
Click to collapse
Hi, solved your problem with this method.?

xmontix said:
Hi, solved your problem with this method.?
Click to expand...
Click to collapse
Hi.
Not yet and I think I won't. I got an information about that sad day when this happened. Sony was upgrading an Android version but this process was interrupted somehow, so, I guess, it's quite dead...

Xperia SP is Dead

HELP! My Xperia SP is dead after unlocking bootloader with official way!
It won't turn on even when I tried to boot it up by connecting via usb to laptop.
I tried to charge it, but it's useless
I also tried to force restart it from restart button but it doesn't wake up
HELPP! :crying:
#UPDATE: By some miracle, the phone boots itself up and get working again. All apps are gone (like factory reset). It shut down about 2 hours then suddenly it came back to life. Still don't get it why this can be happening though. But thank God!

reynaldi3 said:
HELP! My Xperia SP is dead after unlocking bootloader with official way!
It won't turn on even when I tried to boot it up by connecting via usb to laptop.
I tried to charge it, but it's useless
I also tried to force restart it from restart button but it doesn't wake up
HELPP! :crying:
Click to expand...
Click to collapse
Have you tried the OFF button on the back?

You should try to connect your phone to pc, press volume button and keep it pressed. Then without releasing the volume button, press the restart button on the back until you see the led (blue or green depending on the volume you pressed). This means you have at the same time : usb + volume + reset button on the back.
You should keep it pressed during 3 to 15 seconds. If this doesn't work, put your phone to charge (on wall charger and preferably with stock charger) during 1-2 hours and try again.

Try reflash a stock ftf

Please provide more information to the things you did. Did you use EMMA or FLASHTOOL?

TLDGames said:
Have you tried the OFF button on the back?
Click to expand...
Click to collapse
Yes, I tried but it still doesn't work, the phone heats up while there is no sign of life. But after 2 hours it turns back on! Weird
pec0ra said:
You should try to connect your phone to pc, press volume button and keep it pressed. Then without releasing the volume button, press the restart button on the back until you see the led (blue or green depending on the volume you pressed). This means you have at the same time : usb + volume + reset button on the back.
You should keep it pressed during 3 to 15 seconds. If this doesn't work, put your phone to charge (on wall charger and preferably with stock charger) during 1-2 hours and try again.
Click to expand...
Click to collapse
I did that multiple times but there was no sign of life. No led pulse, dead screen, but only warm phone. But it came back on after 2 hours
lucasgta95 said:
Try reflash a stock ftf
Click to expand...
Click to collapse
I can't since it won't connect to anything (wall charger, usb, etc). But thank God it has come to life !
Furrydaus said:
Please provide more information to the things you did. Did you use EMMA or FLASHTOOL?
Click to expand...
Click to collapse
I use cmd since flashtool won't recognize my phone even I have install the correct driver. I read all the instructions from Sony web about unlocking bootloader and I suffer this situation. But after 2 hours it turns back on...

reynaldi3 said:
I use cmd since flashtool won't recognize my phone even I have install the correct driver. I read all the instructions from Sony web about unlocking bootloader and I suffer this situation. But after 2 hours it turns back on...
Click to expand...
Click to collapse
You should have followed the unofficiall methods and not sony

reynaldi3 said:
I did that multiple times but there was no sign of life. No led pulse, dead screen, but only warm phone. But it came back on after 2 hours
Click to expand...
Click to collapse
I have the same problem now and you made my hopes up. I was on PAC rom, normally working, but when i picked up my phone, it wasn't responding, OFF button isn't doing anything and my PC even doesn't recognize the phone over USB. So i hope it will be working again later. :fingers-crossed:
Edit: 12 hours later and still no signs of life, so im' doiwnloading ftf and i'm going to try flashing it...

Make sure you have the driver installed for your phone.
1. Download, install and run the driver update utility. Here's the link where you can download it.
http://www.driverscape.com/download/xperia-sp
2. If it doesn't detect your phone, download flashtool from here:
http://www.flashtool.net/downloads.php
Make sure you have the latest ftf image in order to flash to your phone. You can download from here.
http://forum.xda-developers.com/showthread.php?t=2311964
3. Make sure your phone is off by force shut down (clicking the OFF hard key in the back)
4. Open flashtool. Press and hold the volume down key and then connect your phone to the computer by USB.
5. The notification bar will light green indicating that it is connected in flash mode.
You can then follow instructions on how to flash through Google search. If you are able to reach step 5 and don't know how to flash, let me know.

daubh said:
Make sure you have the driver installed for your phone.
1. Download, install and run the driver update utility. Here's the link where you can download it.
http://www.driverscape.com/download/xperia-sp
2. If it doesn't detect your phone, download flashtool from here:
http://www.flashtool.net/downloads.php
Make sure you have the latest ftf image in order to flash to your phone. You can download from here.
http://forum.xda-developers.com/showthread.php?t=2311964
3. Make sure your phone is off by force shut down (clicking the OFF hard key in the back)
4. Open flashtool. Press and hold the volume down key and then connect your phone to the computer by USB.
5. The notification bar will light green indicating that it is connected in flash mode.
You can then follow instructions on how to flash through Google search. If you are able to reach step 5 and don't know how to flash, let me know.
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Thanks, i know how to flash ftf, but my phone shows no signs of life, when plugged to charger, the LED doesn't light up and i can't go to flash mode aswell. So now it seems that the only thing i can do is to take my phone to repair, as it seems there is some hardware problem...

Dead Xperia SP Also
I have same situation since 21st of December.. I left my Phone on. When I was going to bed. I woke Up and saw this fuzzy blank grey screen, then I pressed the reset button at the back of the phone thinking all will be fine, But since then I've been battling with it. First, No sign of life after plugging, then a day later after I left it connected to my PC, The LED LIGHT turned red, but dead screen. About 15MINS later it goes off, Then comes up again (LED LIGHT) I've tried connecting to PC, it recognises it for about 4seconds and it disconnects automatically, I've tried practically all the method I saw on here.. Rubber band trick,leaving it to charge all night connected to wall charger / PC..All proved abortive, I have been trying to get the MAGIC green LED LIGHT (FLASHMODE) but it never works.. I took it to a repair shop (NOT SONY) He said he only deals with HARDWARE that it wasn't hardware problem, and they then went ahead to flash it.. (I'm out of warranty) STILL NO LUCK.. I'll be glad if anyone can guide me through or come up with a Plausible SOLUTION, 'cause my BREAK has been horrible since my PHONE went M.I.A..... Thank you GUYS

So, finally I'm going to pick up my repaired SP :fingers-crossed:. They thought it was a problem caused by the reset button pushed too hard, but since they've informed me they've changed whole motherboard, the problem must have been somwhere else, maybe they'll tell me where.
(And it seems that despite the fact i've unlocked the bootloader and flashed ROM on it, they will accept it as a warranty repair, because i think they weren't able to get to know that )

My XSP must really hate me. After less than a week since i've picked it up from the repair, it's dead again (everything tried - reset button, leaving it to charge, usb) with no signs of life ... I guess there must be a much bigger problem than just motherboard That means another two weeks with my old slow LG OO. I'm gonna die without it, i've maintained almost a month without it back then, but i had a tablet borrowed for a review. Now it's worse...
Maybe they should give me another XSP instead of trying to repair this one again...

have you considered about the battery?
the battery might be dead for all we know

That may be the problem, but i must also keep in mind that it had its motherboard changed a week ago. Anyway, i took it to the service again, they also said that charger may be causing it, but battery seems more logical to me as there were no problems with charging.
So i have to wait another two long weeks and then i'll know what was it...